-
Type 01
-
Type 05
-
Type 11
-
Type 12
-
Type 13
-
Type 14
-
Type 15
-
Type 21
Type 01 - Flat-face flange to be welded
 |
Type 05 - Blind flange
 |
Type 11 - Flange with butt-weld neck
 |
Type 12 - Slip-on and weld neck flange
 |
Type 13 - Threaded flange with neck
 |
Type 14 - Socket weld and weld neck flange
 |
Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck
 |
Type 21 - Integral flange
 |
-
Class 150
-
Class 300
-
Class 600
-
Class 900
-
Class 1500
-
Class 2500
Class 150 Flange - DN 15 to 600 - ASME B16.5
Class 150 Flange - Type 01 - Flat-face flange to be welded |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of bore |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C1 |
B1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
12,0 |
22,4 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
14,0 |
27,7 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
16,0 |
34,5 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
18,0 |
43,2 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
19,0 |
49,5 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
21,0 |
62,0 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
24,0 |
74,7 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
26,0 |
90,7 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
27,0 |
116,1 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
28,0 |
143,8 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
31,0 |
170,7 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
34,0 |
221.5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
38,0 |
276,4 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
42,0 |
327,2 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
43,0 |
359,2 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
48,0 |
410,5 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
56,0 |
461,8 |
20 |
500 |
698 |
635,0 |
1 1/4(31,8) |
20 |
1 1/8 |
59,0 |
513,1 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
62,0 |
616,0 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C2 |
G |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
- |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
- |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
- |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
- |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
- |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
- |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
38 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
51 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
76 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
102 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
127 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
200 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
225 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
279 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
311 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
362 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
39,7 |
413 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
463 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
565 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 11 - Flange with butt-weld neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C2 |
N |
A |
H3 |
B3 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
21,3 |
47,6 |
15,8 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
38 |
26,7 |
52,4 |
20,8 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
49 |
33,4 |
55,6 |
26,7 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
59 |
42,2 |
57,2 |
35,1 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
65 |
48,3 |
61,9 |
40,9 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
78 |
60,3 |
63,5 |
52,6 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
90 |
73,0 |
69,9 |
62,7 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
108 |
88,9 |
69,9 |
78,0 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
114,3 |
76,2 |
102,4 |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
141,3 |
88,9 |
128,3 |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
168,3 |
88,9 |
154,2 |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
219,1 |
101,6 |
202,7 |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
273,0 |
101,6 |
254,5 |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
323,9 |
114,3 |
304,8 |
9,5 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
400 |
355,6 |
127,0 |
To be specified by the buyer |
9,5 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
457 |
406,4 |
127,0 |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
39,7 |
505 |
457,2 |
139,7 |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
508,0 |
144,5 |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
609,6 |
152,4 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 12 - Slip-on and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C2 |
N |
H1 |
B1 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
15,9 |
22,4 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
38 |
15,9 |
27,7 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
49 |
17,5 |
34,5 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
59 |
20,6 |
43,2 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
65 |
22,2 |
49,5 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
78 |
25,4 |
62,0 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
90 |
28,6 |
74,7 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
108 |
30,2 |
90,7 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
33,3 |
116,1 |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
36,5 |
143,8 |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
39,7 |
170,7 |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
44,5 |
221.5 |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
49,2 |
276,4 |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
55,6 |
327,2 |
9,5 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
400 |
57,2 |
359,2 |
9,5 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
457 |
63,5 |
410,5 |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
39,7 |
505 |
68,3 |
461,8 |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
73,0 |
513,1 |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
82,6 |
616,0 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 13 - Threaded flange with neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Minimum thread length |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C2 |
N |
H1 |
T |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
15,9 |
15,9 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
38 |
15,9 |
15,9 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
49 |
17,5 |
17,5 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
59 |
20,6 |
20,6 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
65 |
22,2 |
22,2 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
78 |
25,4 |
25,4 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
90 |
28,6 |
28,6 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
108 |
30,2 |
30,2 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
33,3 |
33,3 |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
36,5 |
36,5 |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
39,7 |
39,7 |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
44,5 |
- |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
49,2 |
- |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
55,6 |
- |
9,5 |
14 |
350 |
533 |
476,2 |
11/8 (28,6) |
12 |
1 |
34,9 |
400 |
57,2 |
- |
9,5 |
16 |
400 |
597 |
539,8 |
11/8 (28,6) |
16 |
1 |
36,5 |
457 |
63,5 |
- |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
39,7 |
505 |
68,3 |
- |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
73,0 |
- |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
82,6 |
- |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 14 - Socket weld and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Depth of the socket weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
Slip-on, socket weld and weld-on plate |
with neck to be butt-welded |
NPS |
DN |
D |
K |
L |
|
|
C2 |
N |
H1 |
B1 |
B3 |
U |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
15,9 |
22,4 |
15,8 |
9,5 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
38 |
15,9 |
27,7 |
20,8 |
11,0 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
49 |
17,5 |
34,5 |
26,7 |
12,5 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
59 |
20,6 |
43,2 |
35,1 |
14,5 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
65 |
22,2 |
49,5 |
40,9 |
16,0 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
78 |
25,4 |
62,0 |
52,6 |
17,5 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
90 |
28,6 |
74,7 |
62,7 |
19,0 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
108 |
30,2 |
90,7 |
78,0 |
20,5 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
33,3 |
116,1 |
102,4 |
- |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
36,5 |
143,8 |
128,3 |
- |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
39,7 |
170,7 |
154,2 |
- |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
44,5 |
221.5 |
202,7 |
- |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
49,2 |
276,4 |
254,5 |
- |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
55,6 |
327,2 |
304,8 |
- |
9,5 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
400 |
57,2 |
359,2 |
To be specified by the buyer |
- |
9,5 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
457 |
63,5 |
410,5 |
- |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4(31,8) |
16 |
1 1/8 |
39,7 |
505 |
68,3 |
461,8 |
- |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
73,0 |
513,1 |
- |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
82,6 |
616,0 |
- |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C2 |
N |
H2 |
B2 |
r |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
15,9 |
23,0 |
3,0 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
38 |
15,9 |
28,0 |
3,0 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
49 |
17,5 |
35,0 |
3,0 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
15,9 |
59 |
20,6 |
43,5 |
5,0 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
17,5 |
65 |
22,2 |
50,0 |
6,5 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
78 |
25,4 |
62,5 |
8,0 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
22,2 |
90 |
28,6 |
75,5 |
8,0 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
23,8 |
108 |
30,2 |
91,5 |
9,5 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
33,3 |
117,0 |
11,0 |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
36,5 |
145,0 |
11,0 |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
39,7 |
171,0 |
12,5 |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
44,5 |
222,0 |
12,5 |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
49,2 |
277,0 |
12,5 |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
55,6 |
328,0 |
12,5 |
9,5 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
400 |
79,4 |
360,0 |
12,5 |
9,5 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
457 |
87,3 |
411,0 |
12,5 |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4 (31,8) |
16 |
1 1/8 |
39,7 |
505 |
96,8 |
462,0 |
12,5 |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
103,2 |
514,0 |
12,5 |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
111,1 |
616.0 |
12,5 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 150 Flange - Type 21 - Integral flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C3 |
N |
A |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
1/2 |
15 |
89 |
60,3 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
30 |
21,3 |
3 |
3/4 |
20 |
98 |
69,8 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
38 |
26,7 |
3 |
1 |
25 |
108 |
79,4 |
5/8 (15,9) |
4 |
1/2 |
11,1 |
49 |
33,4 |
3 |
1 1/4 a) |
32 |
117 |
88,9 |
5/8 (15,9) |
4 |
1/2 |
12,7 |
59 |
42,2 |
3 |
1 1/2 |
40 |
127 |
98,4 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
65 |
48,3 |
3 |
2 |
50 |
152 |
120,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
78 |
60,3 |
3 |
2 1/2 a) |
65 |
178 |
139,7 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
90 |
73,0 |
3 |
3 |
80 |
190 |
152,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
108 |
88,9 |
3 |
4 |
100 |
229 |
190,5 |
3/4 (19,0) |
8 |
5/8 |
23,8 |
135 |
114,3 |
3 |
5 a) |
125 |
254 |
215,9 |
7/8 (22,2) |
8 |
3/4 |
23,8 |
164 |
141,3 |
6,5 |
6 |
150 |
279 |
241,3 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
192 |
168,3 |
6,5 |
8 |
200 |
343 |
298,4 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
246 |
219,1 |
6,5 |
10 |
250 |
406 |
362,0 |
1 (25,4) |
12 |
7/8 |
30,2 |
305 |
273,0 |
6,5 |
12 |
300 |
483 |
431,8 |
1 (25,4) |
12 |
7/8 |
31,8 |
365 |
323,9 |
9,5 |
14 |
350 |
533 |
476,2 |
1 1/8 (28,6) |
12 |
1 |
34,9 |
400 |
355,6 |
9,5 |
16 |
400 |
597 |
539,8 |
1 1/8 (28,6) |
16 |
1 |
36,5 |
457 |
406,4 |
9,5 |
18 |
450 |
635 |
577,8 |
1 1/4(31,8) |
16 |
1 1/8 |
39,7 |
505 |
457,2 |
9,5 |
20 |
500 |
698 |
635,0 |
1 1/4 (31,8) |
20 |
1 1/8 |
42,9 |
559 |
508,0 |
9,5 |
24 |
600 |
813 |
749,3 |
1 3/8 (34,9) |
20 |
1 1/4 |
47,6 |
664 |
609,6 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
Masses of Class 150 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
15 |
0,42 |
0,42 |
0,49 |
0,39 |
0,41 |
0,40 |
0,45 |
20 |
0,61 |
0,61 |
0,72 |
0,56 |
0,57 |
0,57 |
0,62 |
25 |
0,85 |
0,86 |
1,05 |
0,78 |
0,80 |
0,79 |
0,85 |
32 |
1,11 |
1,16 |
1,38 |
1,02 |
1,05 |
1,05 |
1,10 |
40 |
1,39 |
1,53 |
1,77 |
1,32 |
1,37 |
1,35 |
1,41 |
50 |
2,18 |
2,41 |
2,64 |
2,05 |
2,12 |
2,10 |
2,17 |
65 |
3,46 |
3,95 |
4,21 |
3,28 |
3,40 |
3,38 |
3,45 |
80 |
4,05 |
4,90 |
5,04 |
3,83 |
3,99 |
3,96 |
3,99 |
100 |
5,76 |
7,03 |
7,13 |
5,33 |
5,56 |
- |
5,53 |
125 |
6,63 |
8,63 |
8,98 |
6,08 |
6,45 |
- |
6,26 |
150 |
8,29 |
11,30 |
11,00 |
7,42 |
7,90 |
- |
7,67 |
200 |
13,15 |
19,65 |
18,24 |
12,12 |
|
- |
12,46 |
250 |
18,39 |
28,74 |
24,94 |
16,46 |
- |
- |
16,87 |
300 |
29,89 |
43,43 |
38,28 |
26,28 |
- |
- |
26,89 |
350 |
37,48 |
57,99 |
50,35 |
34,49 |
- |
- |
39,47 |
400 |
50,52 |
76,05 |
62,55 |
44,85 |
- |
- |
51,75 |
450 |
58,99 |
93,72 |
71,07 |
48,89 |
- |
- |
57,13 |
500 |
72,86 |
122,27 |
87,56 |
61,77 |
- |
- |
71,59 |
600 |
96,74 |
185,27 |
119,59 |
87,17 |
- |
- |
99,52 |
Calculated masses of raised face flanges must be used only as a guide. |
Class 300 Flange - DN 15 to 600 - ASME B16.5
Class 300 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
G |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
- |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
- |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
- |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
- |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
- |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
- |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
38 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
51 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
76 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
102 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
127 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
200 |
10 |
250 |
444 |
387,4 |
11/8 (28,6) |
16 |
1 |
47,6 |
225 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
279 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
311 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
362 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
406 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
457 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
559 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 11 - Flange with butt-weld neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
H3 |
B3 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
21,3 |
52,4 |
15,8 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
26,7 |
57,2 |
20,8 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
33,4 |
61,9 |
26,7 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
42,2 |
65,1 |
35,1 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
48,3 |
68,3 |
40,9 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
60,3 |
69,9 |
52,6 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
73,0 |
76,2 |
62,7 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
88,9 |
79,4 |
78,0 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
114,3 |
85,7 |
102,4 |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
141,3 |
98,4 |
128,3 |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
168,3 |
98,4 |
154,2 |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
219,1 |
111,1 |
202,7 |
6,5 |
10 |
250 |
444 |
387,4 |
1 1/8 (28,6) |
16 |
1 |
47,6 |
321 |
273,0 |
117,5 |
254,5 |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
323,9 |
130,2 |
304,8 |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
355,6 |
142,9 |
To be specified by the buyer |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
406,4 |
146,1 |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
457,2 |
158,8 |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
508,0 |
162,0 |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
609,6 |
168,3 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 12 - Slip-on and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
22,4 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
27,7 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
34,5 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
27,0 |
43,2 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
30,2 |
49,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
33,3 |
62,0 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
38,1 |
74,7 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
42,9 |
90,7 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
47,6 |
116,1 |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
50,8 |
143,8 |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
52,4 |
170,7 |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
61,9 |
221,5 |
6,5 |
10 |
250 |
444 |
387,4 |
1 1/8 (28,6) |
16 |
1 |
47,6 |
321 |
66,8 |
276,4 |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
73,0 |
327,2 |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
76,2 |
359,2 |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
82,6 |
410,5 |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
88,9 |
461,8 |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
95,3 |
513,1 |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
106,4 |
616,0 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 13 - Threaded flange with neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Minimum thread length |
mini Ø countersink |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
T |
V |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
16 |
23,5 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
16 |
29,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
17 |
36,0 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
27,0 |
21 |
44,5 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
30,2 |
22 |
50,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
33,3 |
29 |
63,5 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
38,1 |
32 |
76,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
42,9 |
32 |
92,0 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
47,6 |
37 |
118,0 |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
50,8 |
43 |
145,0 |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
52,4 |
46 |
171,0 |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
61,9 |
- |
- |
6,5 |
10 |
250 |
444 |
387,4 |
11/8 (28,6) |
16 |
1 |
47,6 |
321 |
66,8 |
- |
- |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
73,0 |
- |
- |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
76,2 |
- |
- |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
82,6 |
- |
- |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
88,9 |
- |
- |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
95,3 |
- |
- |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
106,4 |
- |
- |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 14 - Socket weld and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Depth of the socket weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
Slip-on, socket weld and weld-on plate |
with neck to be butt-welded |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
B3 |
U |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
22,4 |
15,8 |
9,5 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
27,7 |
20,8 |
11,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
34,5 |
26,7 |
12,5 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
27,0 |
43,2 |
35,1 |
14,5 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
30,2 |
49,5 |
40,9 |
16,0 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
33,3 |
62,0 |
52,6 |
17,5 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
38,1 |
74,7 |
62,7 |
19,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
42,9 |
90,7 |
78,0 |
20,5 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
47,6 |
116,1 |
102,4 |
- |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
50,8 |
143,8 |
128,3 |
- |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
52,4 |
170,7 |
154,2 |
- |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
61,9 |
221,5 |
202,7 |
- |
6,5 |
10 |
250 |
444 |
387,4 |
11/8 (28,6) |
16 |
1 |
47,6 |
321 |
66,8 |
276,4 |
254,5 |
- |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
73,0 |
327,2 |
304,8 |
- |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
76,2 |
359,2 |
To be specified by the buyer |
- |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
82,6 |
410,5 |
- |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
88,9 |
461,8 |
- |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
95,3 |
513,1 |
- |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
106,4 |
616,0 |
- |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H2 |
B2 |
r |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
23,0 |
3,0 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
28,0 |
3,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
35,0 |
3,0 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
27,0 |
43,5 |
5,0 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
30,2 |
50,0 |
6,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
33,3 |
62,5 |
8,0 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
38,1 |
75,5 |
8,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
42,9 |
91,5 |
9,5 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
47,6 |
117,0 |
9,5 |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
50,8 |
145,0 |
11,0 |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
52,4 |
171,0 |
12,5 |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
61,9 |
222,0 |
12,5 |
6,5 |
10 |
250 |
444 |
387,4 |
1 1/8 (28,6) |
16 |
1 |
47,6 |
321 |
95,3 |
277,0 |
12,5 |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
101,6 |
328,0 |
12,5 |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
111,1 |
360,0 |
12,5 |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
120,7 |
411,0 |
12,5 |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
130,2 |
462,0 |
12,5 |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
139,7 |
514,0 |
12,5 |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
152,4 |
616,0 |
12,5 |
9,5 |
aa) It is useful to avoid using these dimensions in new constructions. |
[
Class 300 Flange - Type 21 - Integral flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
21,3 |
3 |
3/4 |
20 |
117 |
82,6 |
5/8 (19,0) |
4 |
5/8 |
15,9 |
48 |
26,7 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
33,4 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
19,0 |
64 |
42,2 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
20,6 |
70 |
48,3 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
22,2 |
84 |
60,3 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
25,4 |
100 |
73,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
117 |
88,9 |
3 |
4 |
100 |
254 |
200,0 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
146 |
114,3 |
3 |
5 a) |
125 |
279 |
235,0 |
7/8 (22,2) |
8 |
3/4 |
34,9 |
178 |
141,3 |
6,5 |
6 |
150 |
318 |
269,9 |
7/8 (22,2) |
12 |
3/4 |
36,5 |
206 |
168,3 |
6,5 |
8 |
200 |
381 |
330,2 |
1 (25,4) |
12 |
7/8 |
41,3 |
260 |
219,1 |
6,5 |
10 |
250 |
444 |
387,4 |
1 1/8 (28,6) |
16 |
1 |
47,6 |
321 |
273,0 |
6,5 |
12 |
300 |
521 |
450,8 |
1 1/4 (31,8) |
16 |
11/8 |
50,8 |
375 |
323,9 |
9,5 |
14 |
350 |
584 |
514,4 |
1 1/4 (31,8) |
20 |
11/8 |
54,0 |
425 |
355,6 |
9,5 |
16 |
400 |
648 |
571,5 |
1 3/8 (34,9) |
20 |
1 1/4 |
57,2 |
483 |
406,4 |
9,5 |
18 |
450 |
711 |
628,6 |
1 3/8 (34,9) |
24 |
1 1/4 |
60,3 |
533 |
457,2 |
9,5 |
20 |
500 |
775 |
685,8 |
1 3/8 (34,9) |
24 |
1 1/4 |
63,5 |
587 |
508,0 |
9,5 |
24 |
600 |
914 |
812,8 |
1 5/8 (41,3) |
24 |
1 1/2 |
69,8 |
702 |
609,6 |
9,5 |
a) It is useful to avoid using these dimensions in new constructions. |
[
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
[
Masses of Class 300 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
15 |
- |
0,64 |
0,77 |
0,64 |
0,66 |
0,66 |
0,70 |
20 |
- |
1,10 |
1,30 |
1,11 |
1,13 |
1,14 |
1,21 |
25 |
- |
1,39 |
1,64 |
1,36 |
1,40 |
1,41 |
1,47 |
32 |
- |
1,78 |
2,09 |
1,67 |
1,72 |
1,72 |
1,79 |
40 |
- |
2,67 |
3,00 |
2,51 |
2,57 |
2,57 |
2,66 |
50 |
- |
3,17 |
3,52 |
2,87 |
2,96 |
2,97 |
3,01 |
65 |
- |
4,83 |
5,32 |
4,30 |
4,46 |
4,49 |
4,48 |
80 |
- |
6,84 |
7,19 |
5,87 |
6,10 |
6,17 |
6,07 |
100 |
- |
11,52 |
11,63 |
9,64 |
9,98 |
- |
9,94 |
125 |
- |
15,51 |
15,52 |
12,14 |
12,65 |
- |
12,42 |
150 |
- |
20,95 |
19,91 |
15,69 |
16,32 |
- |
16,14 |
200 |
- |
34,35 |
30,89 |
24,21 |
- |
- |
24,77 |
250 |
- |
53,23 |
44,34 |
33,97 |
- |
- |
39,23 |
300 |
- |
78,86 |
64,04 |
49,92 |
- |
- |
56,60 |
350 |
- |
105,40 |
89,10 |
69,51 |
- |
- |
81,63 |
400 |
- |
137,77 |
111,00 |
88,49 |
- |
- |
105,12 |
450 |
- |
175,18 |
136,08 |
108,38 |
- |
- |
128,16 |
500 |
- |
221,43 |
164,68 |
134,30 |
- |
- |
158,03 |
600 |
- |
338,78 |
238,07 |
201,06 |
- |
- |
236,32 |
Calculated masses of raised face flanges must be used only as a guide. |
Class 600 Flange - DN 15 to 600 - ASME B16.5
Class 600 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
G |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
- |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
- |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
- |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
- |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
- |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
- |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
38 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
51 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
76 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
102 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
127 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
175 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
222 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
273 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
302 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
349 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
394 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
438 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
533 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 11 - Flange with butt-weld neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
B3 |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
21,3 |
To be specified by the buyer |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
26,7 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
33,4 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
42,2 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
48,3 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
60,3 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
73,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
88,9 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
114,3 |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
141,3 |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
168,3 |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
219,1 |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
273,0 |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
323,9 |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
355,6 |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
406,4 |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
457,2 |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
508,0 |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
609,6 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 12 - Slip-on and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
22,4 |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
27,7 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
34,5 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
28,6 |
43,2 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
31,8 |
49,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
36,5 |
62,0 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
41,3 |
74,7 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
46,0 |
90,7 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
54,0 |
116,1 |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
60,3 |
143,8 |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
66,8 |
170,7 |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
76,2 |
221,5 |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
85,7 |
276,4 |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
92,1 |
327,2 |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
93,7 |
359,2 |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
106,4 |
410,5 |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
117,5 |
461,8 |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
127,0 |
513,1 |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
139,7 |
616,0 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 13 - Threaded flange with neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Minimum thread length |
Mini Ø countersink |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
T |
V |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
16 |
23,5 |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
16 |
29,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
17 |
36,0 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
28,6 |
21 |
44,5 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
31,8 |
22 |
50,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
36,5 |
29 |
63,5 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
41,3 |
32 |
76,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
46,0 |
35 |
92,0 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
54,0 |
41 |
118,0 |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
60,3 |
48 |
145,0 |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
66,8 |
51 |
171,0 |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
76,2 |
- |
- |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
85,7 |
- |
- |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
92,1 |
- |
- |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
93,7 |
- |
- |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
106,4 |
- |
- |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
117,5 |
- |
- |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
127,0 |
- |
- |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
139,7 |
- |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 14 - Socket weld and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Depth of the socket weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
Slip-on, socket weld and weld-on plate |
With neck to be butt-welded |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
B3 |
U |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
22,4 |
To be specified by the buyer |
9,5 |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
27,7 |
11,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
34,5 |
12,5 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
28,6 |
43,2 |
14,5 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
31,8 |
49,5 |
16,0 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
36,5 |
62,0 |
17,5 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
41,3 |
74,7 |
19,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
46,0 |
90,7 |
20,5 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
54,0 |
116,1 |
- |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
60,3 |
143,8 |
- |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
66,8 |
170,7 |
- |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
76,2 |
221,5 |
- |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
85,7 |
276,4 |
- |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
92,1 |
327,2 |
- |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
93,7 |
359,2 |
- |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
106,4 |
410,5 |
- |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
117,5 |
461,8 |
- |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
127,0 |
513,1 |
- |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
139,7 |
616,0 |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H2 |
B2 |
r |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
22,2 |
23,0 |
3,0 |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
25,4 |
28,0 |
3,0 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
27,0 |
35,0 |
3,0 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
28,6 |
43,5 |
5,0 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
31,8 |
50,0 |
6,5 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
36,5 |
62,5 |
8,0 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
41,3 |
75,5 |
8,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
46,0 |
91,5 |
9,5 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
54,0 |
117,0 |
9,5 |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
60,3 |
145,0 |
11,0 |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
66,8 |
171,0 |
12,5 |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
76,2 |
222,0 |
12,5 |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
111,1 |
277,0 |
12,5 |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
117,5 |
328,0 |
12,5 |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
127,0 |
360,0 |
12,5 |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
139,7 |
411,0 |
12,5 |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
151,4 |
462,0 |
12,5 |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
165,1 |
514,0 |
12,5 |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
184,2 |
616,0 |
12,5 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 600 Flange - Type 21 - Integral flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
R1 |
mm |
mm |
in (mm) |
|
in |
mm |
mm |
mm |
mm |
1/2 |
15 |
95 |
66,7 |
5/8 (15,9) |
4 |
1/2 |
14,3 |
38 |
21,3 |
3 |
3/4 |
20 |
117 |
82,6 |
3/4 (19,0) |
4 |
5/8 |
15,9 |
48 |
26,7 |
3 |
1 |
25 |
124 |
88,9 |
3/4 (19,0) |
4 |
5/8 |
17,5 |
54 |
33,4 |
3 |
1 1/4 a) |
32 |
133 |
98,4 |
3/4 (19,0) |
4 |
5/8 |
20,6 |
64 |
42,2 |
3 |
1 1/2 |
40 |
156 |
114,3 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
70 |
48,3 |
3 |
2 |
50 |
165 |
127,0 |
3/4 (19,0) |
8 |
5/8 |
25,4 |
84 |
60,3 |
3 |
2 1/2 a) |
65 |
190 |
149,2 |
7/8 (22,2) |
8 |
3/4 |
28,6 |
100 |
73,0 |
3 |
3 |
80 |
210 |
168,3 |
7/8 (22,2) |
8 |
3/4 |
31,8 |
117 |
88,9 |
3 |
4 |
100 |
273 |
215,9 |
1 (25,4) |
8 |
7/8 |
38,1 |
152 |
114,3 |
3 |
5 a) |
125 |
330 |
266,7 |
1 1/8 (28,6) |
8 |
1 |
44,4 |
189 |
141,3 |
6,5 |
6 |
150 |
356 |
292,1 |
1 1/8 (28,6) |
12 |
1 |
47,6 |
222 |
168,3 |
6,5 |
8 |
200 |
419 |
349,2 |
1 1/4(31,8) |
12 |
11/8 |
55,6 |
273 |
219,1 |
6,5 |
10 |
250 |
508 |
431,8 |
1 7/8 (34,9) |
16 |
11/4 |
63,5 |
343 |
273,0 |
6,5 |
12 |
300 |
559 |
489,0 |
1 3/8 (34,9) |
20 |
11/4 |
66,7 |
400 |
323,9 |
11 |
14 |
350 |
603 |
527,0 |
1 1/2 (38,1) |
20 |
13/8 |
69,8 |
432 |
355,6 |
11 |
16 |
400 |
686 |
603,2 |
1 5/8 (41,3) |
20 |
11/2 |
76,2 |
495 |
406,4 |
11 |
18 |
450 |
743 |
654,0 |
1 3/4 (44,4) |
20 |
15/8 |
82,6 |
546 |
457,2 |
11 |
20 |
500 |
813 |
723,9 |
1 3/4 (44,4) |
24 |
15/8 |
88,9 |
610 |
508,0 |
11 |
24 |
600 |
940 |
838,2 |
2 (50,8) |
24 |
17/8 |
101,6 |
718 |
609,6 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
Masses of Class 600 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
15 |
- |
0,76 |
0,89 |
0,74 |
0,76 |
0,76 |
0,70 |
20 |
- |
1,27 |
1,49 |
1,26 |
1,29 |
1,29 |
1,21 |
25 |
- |
1,61 |
1,88 |
1,53 |
1,57 |
1,58 |
1,47 |
32 |
- |
2,22 |
2,55 |
2,02 |
2,08 |
2,09 |
1,93 |
40 |
- |
3,27 |
3,62 |
2,99 |
3,06 |
3,08 |
2,86 |
50 |
- |
4,14 |
4,49 |
3,61 |
3,73 |
3,78 |
3,42 |
65 |
- |
6,10 |
6,61 |
5,24 |
5,44 |
5,53 |
5,00 |
80 |
- |
8,51 |
8,85 |
7,05 |
7,33 |
7,49 |
6,70 |
100 |
- |
17,27 |
17,92 |
14,51 |
14,94 |
- |
14,00 |
125 |
- |
29,38 |
30,01 |
24,38 |
25,05 |
- |
23,70 |
150 |
- |
36,15 |
36,20 |
28,84 |
29,71 |
- |
28,10 |
200 |
- |
58,89 |
55,59 |
43,37 |
- |
- |
42,33 |
250 |
- |
97,54 |
89,52 |
70,26 |
- |
- |
75,37 |
300 |
- |
124,21 |
107,02 |
84,25 |
- |
- |
90,66 |
350 |
- |
151,00 |
126,83 |
98,87 |
- |
- |
108,32 |
400 |
- |
213,77 |
176,16 |
142,20 |
- |
- |
155,50 |
450 |
- |
272,28 |
210,79 |
173,52 |
- |
- |
188,28 |
500 |
- |
349,81 |
262,82 |
220,69 |
- |
- |
242,23 |
600 |
- |
533,60 |
368,57 |
312,90 |
- |
- |
346,29 |
Calculated masses of raised face flanges must be used only as a guide. |
Class 900 Flange - DN 80 to 600 - ASME B16.5
Class 900 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
G |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
48 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
73 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
95 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
121 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
165 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
213 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
257 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
286 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
381 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
419 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
451 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
508 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 900 Flange - Type 11 - Flange with butt-weld neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
H3 |
B3 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
127 |
88,9 |
101,6 |
To be specified by the buyer |
3 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
159 |
114,3 |
114,3 |
5 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
190 |
141,3 |
127,0 |
6,5 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
235 |
168,3 |
139,7 |
6,5 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
298 |
219,1 |
162,0 |
6,5 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
368 |
273,0 |
184,2 |
6,5 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
419 |
323,9 |
200,0 |
9,5 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
451 |
355,6 |
212,8 |
11,5 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
508 |
406,4 |
215,9 |
11 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
565 |
457,2 |
228,6 |
11 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
622 |
508,0 |
247,7 |
11 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
749 |
609,6 |
292,1 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 900 Flange - Type 12 - Slip-on and weld neck flange |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
127 |
54,0 |
90,7 |
3 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
159 |
69,9 |
116,1 |
5 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
190 |
79,4 |
143,8 |
6,5 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
235 |
85,7 |
170,7 |
6,5 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
298 |
101,6 |
221,5 |
6,5 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
368 |
108,0 |
276,4 |
6,5 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
419 |
117,5 |
327,2 |
9,5 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
451 |
130,2 |
359,2 |
11,5 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
508 |
133,4 |
410,5 |
11 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
565 |
152,4 |
461,8 |
11 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
622 |
158,8 |
513,1 |
11 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
749 |
203,2 |
616,0 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 900 Flange - Type 13 - Threaded flange with neck |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Minimum thread length |
Mini Ø countersink |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
T |
V |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
127 |
54,0 |
41 |
92 |
3 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
159 |
69,9 |
48 |
118 |
5 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
190 |
79,4 |
54 |
145 |
6,5 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
235 |
85,7 |
57 |
171 |
6,5 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
298 |
101,6 |
- |
- |
6,5 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
368 |
108,0 |
- |
- |
6,5 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
419 |
117,5 |
- |
- |
9,5 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
451 |
130,2 |
- |
- |
11,5 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
508 |
133,4 |
- |
- |
11 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
565 |
152,4 |
- |
- |
11 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
622 |
158,8 |
- |
- |
11 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
749 |
203,2 |
- |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 900 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H2 |
B2 |
r |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
127 |
54,0 |
91,5 |
9,5 |
3 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
159 |
69,9 |
117,0 |
11,0 |
5 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
190 |
79,4 |
145,0 |
11,0 |
6,5 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
235 |
85,7 |
171,0 |
12,5 |
6,5 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
298 |
114,3 |
222,0 |
12,5 |
6,5 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
368 |
127,0 |
277,0 |
12,5 |
6,5 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
419 |
142,9 |
328,0 |
12,5 |
9,5 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
451 |
155,6 |
360,0 |
12,5 |
11,5 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
508 |
165,1 |
411,0 |
12,5 |
11 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
565 |
190,5 |
462,0 |
12,5 |
11 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
622 |
209,6 |
514,0 |
12,5 |
11 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
749 |
266,7 |
616,0 |
12,5 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 900 Flange - Type 21 - Integral flange |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
For DN 1/2 to 2 1/2 see flanges Class 1500 |
3 |
80 |
241 |
190,5 |
1 (25,4) |
8 |
7/8 |
38,1 |
127 |
88,9 |
3 |
4 |
100 |
292 |
235,0 |
1 1/4 (31,8) |
8 |
1 1/8 |
44,4 |
159 |
114,3 |
5 |
5 a) |
125 |
349 |
279,4 |
1 3/8 (34,9) |
8 |
1 1/4 |
50,8 |
190 |
141,3 |
6,5 |
6 |
150 |
381 |
317,5 |
1 1/4 (31,8) |
12 |
1 1/8 |
55,6 |
235 |
168,3 |
6,5 |
8 |
200 |
470 |
393,7 |
1 1/2 (38,1) |
12 |
1 3/8 |
63,5 |
298 |
219,1 |
6,5 |
10 |
250 |
546 |
469,9 |
1 1/2 (38,1) |
16 |
1 3/8 |
69,8 |
368 |
273,0 |
6,5 |
12 |
300 |
610 |
533,4 |
1 1/2 (38,1) |
20 |
1 3/8 |
79,4 |
419 |
323,9 |
9,5 |
14 |
350 |
641 |
558,8 |
1 5/8 (41,3) |
20 |
1 1/8 |
85,7 |
451 |
355,6 |
11,5 |
16 |
400 |
705 |
616,0 |
1 3/4 (44,4) |
20 |
1 5/8 |
88,9 |
508 |
406,4 |
11 |
18 |
450 |
787 |
685,8 |
2 (50,8) |
20 |
1 7/8 |
101,6 |
565 |
457,2 |
11 |
20 |
500 |
857 |
749,3 |
2 1/8 (54,0) |
20 |
2 |
108,0 |
622 |
508,0 |
11 |
24 |
600 |
1 041 |
901,7 |
2 5/8 (66,7) |
20 |
2 1/2 |
139,7 |
749 |
609,6 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
Masses of Class 900 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
80 |
- |
13,07 |
14,02 |
11,58 |
11,91 |
- |
11,22 |
100 |
- |
22,10 |
23,12 |
19,73 |
20,27 |
- |
19,20 |
125 |
- |
36,46 |
37,05 |
31,88 |
32,75 |
- |
31,17 |
150 |
- |
47,44 |
49,23 |
41,14 |
42,25 |
- |
40,40 |
200 |
- |
82,53 |
84,17 |
70,72 |
- |
- |
72,75 |
250 |
- |
122,44 |
122,85 |
100,45 |
- |
- |
105,98 |
300 |
- |
173,67 |
162,88 |
133,13 |
- |
- |
141,89 |
350 |
- |
206,09 |
186,20 |
153,24 |
- |
- |
162,40 |
400 |
- |
259,52 |
224,24 |
185,08 |
- |
- |
200,10 |
450 |
- |
366,87 |
301,27 |
258,06 |
- |
- |
279,92 |
500 |
- |
463,67 |
373,75 |
316,70 |
- |
- |
351,14 |
600 |
- |
875,65 |
681,13 |
604,92 |
- |
- |
672,06 |
Calculated masses of raised face flanges must be used only as a guide. |
Class 1500 Flange - DN 15 to 600 - ASME B16.5
Class 1500 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
G |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
- |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
- |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
- |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
- |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
- |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
- |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
32 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
44 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
66 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
86 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
111 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
152 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
197 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
238 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
263 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
305 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
346 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
390 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
473 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 1500 Flange - Type 11 - Flange with butt-weld neck |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Height of the neck |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
H3 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
21,3 |
60,3 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
26,7 |
69,9 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
33,4 |
73,0 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
42,2 |
73,0 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
48,3 |
82,6 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
60,3 |
101,6 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
73,0 |
104,8 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
88,9 |
117,5 |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
114,3 |
123,8 |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
141,3 |
155,6 |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
168,3 |
171,5 |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
219,1 |
212,7 |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
273,0 |
254,0 |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
323,9 |
282,6 |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
355,6 |
298,5 |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
406,4 |
311,2 |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
457,2 |
327,0 |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
508,0 |
355,6 |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
609,6 |
406,4 |
11 |
a) It is useful to avoid using these dimensions in new constructions. B3 : To be specified by the buyer
|
Class 1500 Flange - Type 12 - Slip-on and weld neck flange |
 |
|
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
31,8 |
22,4 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
34,9 |
27,7 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
41,3 |
34,5 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
41,3 |
43,2 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
44,5 |
49,5 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
57,2 |
62,0 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
63,5 |
74,7 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
73,0 |
- |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
90,5 |
- |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
104,8 |
- |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
119,1 |
- |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
142,9 |
- |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
158,8 |
- |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
181,0 |
- |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
- |
- |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
- |
- |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
- |
- |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
- |
- |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
- |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 1500 Flange - Type 13 - Threaded flange with neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Minimum thread length |
Mini Ø countersink |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
T |
V |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
31,8 |
22 |
23,5 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
34,9 |
25 |
29,0 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
41,3 |
29 |
36,0 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
41,3 |
30 |
44,5 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
44,5 |
32 |
50,5 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
57,2 |
38 |
63,5 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
63,5 |
48 |
76,0 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
73,0 |
51 |
92,0 |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
90,5 |
57 |
118,0 |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
104,8 |
64 |
145,0 |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
119,1 |
70 |
171,0 |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
142,9 |
- |
- |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
158,8 |
- |
- |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
181,0 |
- |
- |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
- |
- |
- |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
- |
- |
- |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
- |
- |
- |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
- |
- |
- |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
- |
- |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 1500 Flange - Type 14 - Socket weld and weld neck flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Depth of the socket weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H1 |
B1 |
U |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
31,8 |
22,4 |
9,5 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
34,9 |
27,7 |
11,0 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
41,3 |
34,5 |
12,5 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
41,3 |
43,2 |
14,5 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
44,5 |
49,5 |
16,0 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
57,2 |
62,0 |
17,5 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
63,5 |
74,7 |
19,0 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
73,0 |
- |
- |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
90,5 |
- |
- |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
104,8 |
- |
- |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
119,1 |
- |
- |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
142,9 |
- |
- |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
158,8 |
- |
- |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
181,0 |
- |
- |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
- |
- |
- |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
- |
- |
- |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
- |
- |
- |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
- |
- |
- |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
- |
- |
- |
11 |
a) It is useful to avoid using these dimensions in new constructions. B3 : To be specified by the buyer |
Class 1500 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Ø of bore |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H2 |
B2 |
r |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
31,8 |
23,0 |
3,0 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
34,9 |
28,0 |
3,0 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
41,3 |
35,0 |
3,0 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
41,3 |
43,5 |
5,0 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
44,5 |
50,0 |
6,5 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
57,2 |
62,5 |
8,0 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
63,5 |
75,5 |
8,0 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
73,0 |
91,5 |
9,5 |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
90,5 |
117,0 |
11,0 |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
104,8 |
145,0 |
11,0 |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
119,1 |
171,0 |
12,5 |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
142,9 |
222,0 |
12,5 |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
177,8 |
277,0 |
12,5 |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
219,1 |
328,0 |
12,5 |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
241,3 |
360,0 |
12,5 |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
260,4 |
411,0 |
12,5 |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
276,2 |
462,0 |
12,5 |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
292,1 |
514,0 |
12,5 |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
330,2 |
616,0 |
12,5 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 1500 Flange - Type 21 - Integral flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
Mm |
1/2 |
15 |
121 |
82,6 |
7/8 (22,2) |
4 |
3/4 |
22,2 |
38 |
21,3 |
5 |
3/4 |
20 |
130 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
25,4 |
44 |
26,7 |
5 |
1 |
25 |
149 |
101,6 |
1 (25,4) |
4 |
7/8 |
28,6 |
52 |
33,4 |
5 |
1 1/4 a) |
32 |
159 |
111,1 |
1 (25,4) |
4 |
7/8 |
28,6 |
64 |
42,2 |
5 |
1 1/2 |
40 |
178 |
123,8 |
1 1/8 (28,6) |
4 |
1 |
31,8 |
70 |
48,3 |
5 |
2 |
50 |
216 |
165,1 |
1 (25,4) |
8 |
7/8 |
38,1 |
105 |
60,3 |
5 |
2 1/2 a) |
65 |
244 |
190,5 |
1 1/8 (28,6) |
8 |
1 |
41,3 |
124 |
73,0 |
5 |
3 |
80 |
267 |
203,2 |
1 1/4 (31,8) |
8 |
11/8 |
47,6 |
133 |
88,9 |
5 |
4 |
100 |
311 |
241,3 |
1 3/8 (34,9) |
8 |
11/4 |
54,0 |
162 |
114,3 |
5 |
5 a) |
125 |
375 |
292,1 |
1 5/8 (41,3) |
8 |
11/2 |
73,0 |
197 |
141,3 |
6,5 |
6 |
150 |
394 |
317,5 |
1 1/2 (38,1) |
12 |
13/8 |
82,6 |
229 |
168,3 |
6,5 |
8 |
200 |
483 |
393,7 |
1 3/4 (44,4) |
12 |
15/8 |
92,1 |
292 |
219,1 |
6,5 |
10 |
250 |
584 |
482,6 |
2 (50,8) |
12 |
17/8 |
108,0 |
368 |
273,0 |
9,5 |
12 |
300 |
673 |
571,5 |
2 1/8 (54,0) |
16 |
2 |
123,8 |
451 |
323,9 |
11 |
14 |
350 |
749 |
635,0 |
2 3/8 (60,3) |
16 |
21/4 |
133,4 |
495 |
355,6 |
11 |
16 |
400 |
826 |
704,8 |
2 5/8 (66,7) |
16 |
21/2 |
146,1 |
552 |
406,4 |
11 |
18 |
450 |
914 |
774,7 |
2 7/8 (73,0) |
16 |
23/4 |
161,9 |
597 |
457,2 |
11 |
20 |
500 |
984 |
831,8 |
3 1/8 (79,4) |
16 |
3 |
178,0 |
641 |
508,0 |
11 |
24 |
600 |
1 168 |
990,6 |
3 5/8 (92,0) |
16 |
31/2 |
203,0 |
762 |
609,6 |
11 |
a) It is useful to avoid using these dimensions in new constructions. |
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
Masses of Class 1500 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
15 |
- |
1,78 |
1,91 |
1,75 |
1,78 |
1,79 |
1,72 |
20 |
- |
2,41 |
2,59 |
2,33 |
2,36 |
2,39 |
2,28 |
25 |
- |
3,56 |
3,77 |
3,42 |
3,48 |
3,53 |
3,36 |
32 |
- |
4,16 |
4,42 |
3,93 |
4,01 |
4,07 |
3,84 |
40 |
- |
5,78 |
6,08 |
5,40 |
5,50 |
5,57 |
5,27 |
50 |
- |
10,08 |
11,14 |
9,87 |
10,05 |
10,22 |
9,67 |
65 |
- |
13,93 |
15,34 |
13,62 |
13,92 |
14,20 |
13,37 |
80 |
- |
19,18 |
20,34 |
- |
18,35 |
- |
17,55 |
100 |
- |
29,93 |
30,56 |
- |
28,46 |
- |
27,23 |
125 |
- |
58,51 |
58,15 |
- |
53,06 |
- |
51,17 |
150 |
- |
72,02 |
70,16 |
- |
62,78 |
- |
60,51 |
200 |
- |
121,91 |
119,78 |
- |
- |
- |
102,32 |
250 |
- |
210,62 |
204,65 |
- |
- |
- |
180,64 |
300 |
- |
315,83 |
304,04 |
- |
- |
- |
284,28 |
350 |
- |
420,57 |
399,73 |
- |
- |
- |
383,75 |
400 |
- |
559,16 |
508,66 |
- |
- |
- |
493,98 |
450 |
- |
759,99 |
659,54 |
- |
- |
- |
636,46 |
500 |
- |
965,37 |
806,96 |
- |
- |
- |
765,15 |
600 |
- |
1 556,84 |
1 278,03 |
- |
- |
- |
1 220,79 |
Calculated masses of raised face flanges must be used only as a guide. |
Class 2500 Flange - DN 15 to 300 - ASME B16.5
Class 2500 Flange - Type 05 - Blind flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of shoulder |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
G |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
1/2 |
15 |
133 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
30,2 |
- |
3/4 |
20 |
140 |
95,2 |
7/8 (22,2) |
4 |
3/4 |
31,7 |
- |
1 |
25 |
159 |
107,9 |
1 (25,4) |
4 |
7/8 |
34,9 |
- |
1 1/4 a) |
32 |
184 |
130,2 |
1 1/8 (28,6) |
4 |
1 |
38,1 |
- |
1 1/2 |
40 |
203 |
146,0 |
1 1/4 (31,8) |
4 |
1 1/8 |
44,4 |
- |
2 |
50 |
235 |
171,4 |
1 1/8 (28,6) |
8 |
1 |
50,8 |
- |
2 1/2 a) |
65 |
267 |
196,8 |
1 1/4 (31,8) |
8 |
1 1/8 |
57,1 |
22 |
3 |
80 |
305 |
228,6 |
1 3/8 (34,9) |
8 |
1 1/4 |
66,7 |
32 |
4 |
100 |
356 |
273,0 |
1 5/8 (41,3) |
8 |
1 1/2 |
76,2 |
48 |
5 a) |
125 |
419 |
323,8 |
1 7/8 (47,6) |
8 |
1 3/4 |
92,1 |
67 |
6 |
150 |
483 |
368,3 |
2 1/8 (54,0) |
8 |
2 |
108,0 |
86 |
8 |
200 |
552 |
438,1 |
2 1/8 (54,0) |
12 |
2 |
127,0 |
96 |
10 |
250 |
673 |
539,7 |
2 5/8 (66,7) |
12 |
2 1/2 |
165,1 |
159 |
12 |
300 |
762 |
619,1 |
2 7/8 (73,0) |
12 |
2 3/4 |
184,1 |
193 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 2500 Flange - Type 11 - Flange with butt-weld neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Height of the neck |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
H3 |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
1/2 |
15 |
133 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
30,2 |
43 |
73,0 |
5 |
3/4 |
20 |
140 |
95,2 |
7/8 (22,2) |
4 |
3/4 |
31,7 |
51 |
79,4 |
5 |
1 |
25 |
159 |
107,9 |
1 (25,4) |
4 |
7/8 |
34,9 |
57 |
88,9 |
5 |
1 1/4 a) |
32 |
184 |
130,2 |
1 1/8 (28,6) |
4 |
1 |
38,1 |
73 |
95,3 |
5 |
1 1/2 |
40 |
203 |
146,0 |
1 1/4 (31,8) |
4 |
1 1/8 |
44,4 |
79 |
111,1 |
9,5 |
2 |
50 |
235 |
171,4 |
1 1/8 (28,6) |
8 |
1 |
50,8 |
95 |
127,0 |
9,5 |
2 1/2 a) |
65 |
267 |
196,8 |
1 1/4 (31,8) |
8 |
1 1/8 |
57,1 |
114 |
142,9 |
9,5 |
3 |
80 |
305 |
228,6 |
1 3/8 (34,9) |
8 |
1 1/4 |
66,7 |
133 |
168,3 |
9,5 |
4 |
100 |
356 |
273,0 |
1 5/8 (41,3) |
8 |
1 1/2 |
76,2 |
165 |
190,5 |
9,5 |
5 a) |
125 |
419 |
323,8 |
1 7/8 (47,6) |
8 |
1 3/4 |
92,1 |
203 |
228,6 |
9,5 |
6 |
150 |
483 |
368,3 |
2 1/8 (54,0) |
8 |
2 |
108,0 |
235 |
273,1 |
15,5 |
8 |
200 |
552 |
438,1 |
2 1/8 (54,0) |
12 |
2 |
127,0 |
305 |
317,5 |
15,5 |
10 |
250 |
673 |
539,7 |
2 5/8 (66,7) |
12 |
2 1/2 |
165,1 |
375 |
419,1 |
15,5 |
12 |
300 |
762 |
619,1 |
2 7/8 (73,0) |
12 |
2 3/4 |
184,1 |
441 |
463,6 |
15,5 |
a) It is useful to avoid using these dimensions in new constructions. B3 : To be specified by the buyer |
Class 2500 Flange - Type 13 - Threaded flange with neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Height of the neck |
Minimum thread length |
Mini Ø countersink |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
H1 |
T |
V |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
133 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
30,2 |
39,7 |
29 |
23,5 |
5 |
3/4 |
20 |
140 |
95,2 |
7/8 (22,2) |
4 |
3/4 |
31,7 |
42,9 |
32 |
29,0 |
5 |
1 |
25 |
159 |
107,9 |
1 (25,4) |
4 |
7/8 |
34,9 |
47,6 |
35 |
35,0 |
5 |
1 1/4 a) |
32 |
184 |
130,2 |
1 1/8 (28,6) |
4 |
1 |
38,1 |
52,4 |
38 |
44,5 |
5 |
1 1/2 |
40 |
203 |
146,0 |
1 1/4 (31,8) |
4 |
1 1/8 |
44,4 |
60,3 |
44 |
50,5 |
9,5 |
2 |
50 |
235 |
171,4 |
1 1/8 (28,6) |
8 |
1 |
50,8 |
69,9 |
51 |
63,5 |
9,5 |
2 1/2 a) |
65 |
267 |
196,8 |
1 1/4 (31,8) |
8 |
1 1/8 |
57,1 |
79,4 |
57 |
76,0 |
9,5 |
3 |
80 |
305 |
228,6 |
1 3/8 (34,9) |
8 |
1 1/4 |
66,7 |
92,1 |
64 |
92,0 |
9,5 |
4 |
100 |
356 |
273,0 |
1 5/8 (41,3) |
8 |
1 1/2 |
76,2 |
108,0 |
70 |
118,0 |
9,5 |
5 a) |
125 |
419 |
323,8 |
1 7/8 (47,6) |
8 |
1 3/4 |
92,1 |
130,2 |
76 |
145,0 |
9,5 |
6 |
150 |
483 |
368,3 |
2 1/8 (54,0) |
8 |
2 |
108,0 |
152,4 |
83 |
171,0 |
15,5 |
8 |
200 |
552 |
438,1 |
2 1/8 (54,0) |
12 |
2 |
127,0 |
- |
- |
- |
15,5 |
10 |
250 |
673 |
539,7 |
2 5/8 (66,7) |
12 |
2 1/2 |
165,1 |
- |
- |
- |
15,5 |
12 |
300 |
762 |
619,1 |
2 7/8 (73,0) |
12 |
2 3/4 |
184,1 |
- |
- |
- |
15,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 2500 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Height of the neck |
Ø d'alésage |
Joint radius of the flange bore (min.) |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
H2 |
B2 |
r |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
1/2 |
15 |
133 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
30,2 |
43 |
21,3 |
39,7 |
23,0 |
3,0 |
5 |
3/4 |
20 |
140 |
95,2 |
7/8 (22,2) |
4 |
3/4 |
31,7 |
51 |
26,7 |
42,9 |
28,0 |
3,0 |
5 |
1 |
25 |
159 |
107,9 |
1 (25,4) |
4 |
7/8 |
34,9 |
57 |
33,4 |
47,6 |
35,0 |
3,0 |
5 |
1 1/4 a) |
32 |
184 |
130,2 |
1 1/8 (28,6) |
4 |
1 |
38,1 |
73 |
42,2 |
52,4 |
43,5 |
5,0 |
5 |
1 1/2 |
40 |
203 |
146,0 |
1 1/4 (31,8) |
4 |
1 1/8 |
44,4 |
79 |
48,3 |
60,3 |
50,0 |
6,5 |
9,5 |
2 |
50 |
235 |
171,4 |
1 1/8 (28,6) |
8 |
1 |
50,8 |
95 |
60,3 |
69,9 |
62,5 |
8,0 |
9,5 |
2 1/2 a) |
65 |
267 |
196,8 |
1 1/4 (31,8) |
8 |
1 1/8 |
57,1 |
114 |
73,0 |
79,4 |
75,5 |
8,0 |
9,5 |
3 |
80 |
305 |
228,6 |
1 3/8 (34,9) |
8 |
1 1/4 |
66,7 |
133 |
88,9 |
92,1 |
91,5 |
9,5 |
9,5 |
4 |
100 |
356 |
273,0 |
1 5/8 (41,3) |
8 |
1 1/2 |
76,2 |
165 |
114,3 |
108,0 |
117,0 |
11,0 |
9,5 |
5 a) |
125 |
419 |
323,8 |
1 7/8 (47,6) |
8 |
1 3/4 |
92,1 |
203 |
141,3 |
130,2 |
145,0 |
11,0 |
9,5 |
6 |
150 |
483 |
368,3 |
2 1/8 (54,0) |
8 |
2 |
108,0 |
235 |
168,3 |
152,4 |
171,0 |
12,5 |
15,5 |
8 |
200 |
552 |
438,1 |
2 1/8 (54,0) |
12 |
2 |
127,0 |
305 |
219,1 |
177,8 |
222,0 |
12,5 |
15,5 |
10 |
250 |
673 |
539,7 |
2 5/8 (66,7) |
12 |
2 1/2 |
165,1 |
375 |
273,0 |
228,6 |
277,0 |
12,5 |
15,5 |
12 |
300 |
762 |
619,1 |
2 7/8 (73,0) |
12 |
2 3/4 |
184,1 |
441 |
323,9 |
254,0 |
328,0 |
12,5 |
15,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Class 2500 Flange - Type 21 - Integral flange |
 |
 |
Nominal diameter |
Ext. Ø of flange |
Ø of drilling circle |
Bolts |
Flange thickness |
Ø of base neck |
Ø of neck to the right of the weld |
Joint radius of the neck (min.) |
Ø of bolt holes |
Number |
Nominal size |
NPS |
DN |
D |
K |
L |
|
|
C |
N |
A |
R1 |
mm |
mm |
Pouce (mm) |
|
Pouce |
mm |
mm |
mm |
mm |
1/2 |
15 |
133 |
88,9 |
7/8 (22,2) |
4 |
3/4 |
30,2 |
43 |
21,3 |
5 |
3/4 |
20 |
140 |
95,2 |
7/8 (22,2) |
4 |
3/4 |
31,7 |
51 |
26,7 |
5 |
1 |
25 |
159 |
107,9 |
1 (25,4) |
4 |
7/8 |
34,9 |
57 |
33,4 |
5 |
1 1/4 a) |
32 |
184 |
130,2 |
1 1/8 (28,6) |
4 |
1 |
38,1 |
73 |
42,2 |
5 |
1 1/2 |
40 |
203 |
146,0 |
1 1/4 (31,8) |
4 |
1 1/8 |
44,4 |
79 |
48,3 |
9,5 |
2 |
50 |
235 |
171,4 |
1 1/8 (28,6) |
8 |
1 |
50,8 |
95 |
60,3 |
9,5 |
2 1/2 a) |
65 |
267 |
196,8 |
1 1/4 (31,8) |
8 |
1 1/8 |
57,1 |
114 |
73,0 |
9,5 |
3 |
80 |
305 |
228,6 |
1 3/8 (34,9) |
8 |
1 1/4 |
66,7 |
133 |
88,9 |
9,5 |
4 |
100 |
356 |
273,0 |
1 5/8 (41,3) |
8 |
1 1/2 |
76,2 |
165 |
114,3 |
9,5 |
5 a) |
125 |
419 |
323,8 |
1 7/8 (47,6) |
8 |
1 3/4 |
92,1 |
203 |
141,3 |
9,5 |
6 |
150 |
483 |
368,3 |
2 1/8 (54,0) |
8 |
2 |
108,0 |
235 |
168,3 |
15,5 |
8 |
200 |
552 |
438,1 |
2 1/8 (54,0) |
12 |
2 |
127,0 |
305 |
219,1 |
15,5 |
10 |
250 |
673 |
539,7 |
2 5/8 (66,7) |
12 |
2 1/2 |
165,1 |
375 |
273,0 |
15,5 |
12 |
300 |
762 |
619,1 |
2 7/8 (73,0) |
12 |
2 3/4 |
184,1 |
441 |
323,9 |
15,5 |
a) It is useful to avoid using these dimensions in new constructions. |
Dimension |
Types of flange |
Tolerances mm |
Nominal diameter Pouce |
Diameter of neck at the end weld A |
11, 21 |
+ 2,4 – 0,8 |
≤ 5 |
+ 4,0 – 0,8 |
> 5 |
Diameter of bore B1, B2 |
01, 12, 14, 15 |
+ 0,8 – 0 |
≤ 10 |
+ 1,6 – 0 |
> 10 |
Diameter of bore B3 |
11, 14 |
± 0,8 |
≤ 10 |
± 1,6 |
> 10 ≤ 18 |
+ 3,2 – 1,6 |
> 18 |
Height of the neck H1, H2, H3 |
11, 12, 13, 14, 15 |
± 1,6 |
≤ 10 |
± 3,2 |
> 10 |
Flange thickness C |
All types |
+ 3,2 0 |
≤ 18 |
+ 4,8 0 |
> 18 |
External diameter of the raised face 0 |
All types |
1,6 mm Raised face |
± 0,8 mm |
All |
6,4 mm Raised face |
± 0,4 mm |
Dimensions of faces M, Q, W, Y et Z |
All types |
Faces of C, D, E, F type joints |
± 0,4 mm |
All |
Depth of the groove E for ring joint |
All types |
Faces of C type joints |
+ 4,8 – 0 |
All |
Thickness of groove F |
± 0,2 mm |
|
Diameter at the centre of groove P |
± 0,13 mm |
|
Angle 23° |
± ½° |
|
Diameter of drilling circle K |
All types |
± 1,6 mm |
All |
Spacing between two adjacent bolt holes |
All types |
± 0,8 mm |
All |
Eccentricity between the drilling circle and the diameters of the machined faces |
All types |
0,8 mm |
≤ 2½ |
1,6 mm |
> 2½ |
Parallelism between the supporting surfaces of the bolts and the joint faces of the flange |
All types |
1° |
All |
Masses of Class 2500 flanges (kg) |
DN |
Type |
01 |
05 |
11 |
12 |
13 |
14 |
15 |
15 |
- |
2,98 |
3,23 |
- |
2,97 |
- |
2,91 |
20 |
- |
3,52 |
3,90 |
- |
3,51 |
- |
3,42 |
25 |
- |
4,99 |
5,53 |
- |
4,91 |
- |
4,78 |
32 |
- |
7,34 |
8,19 |
- |
7,23 |
- |
7,04 |
40 |
- |
10,38 |
11,48 |
- |
10,12 |
- |
9,86 |
50 |
- |
15,58 |
17,22 |
- |
15,05 |
- |
14,63 |
65 |
- |
22,68 |
25,44 |
- |
21,88 |
- |
21,25 |
80 |
- |
34,88 |
38,92 |
- |
33,18 |
- |
32,26 |
100 |
- |
54,11 |
60,07 |
- |
50,74 |
- |
49,35 |
125 |
- |
90,76 |
100,27 |
- |
84,40 |
- |
82,20 |
150 |
- |
141,64 |
156,37 |
- |
130,14 |
- |
127,45 |
200 |
- |
214,06 |
233,79 |
- |
- |
- |
186,30 |
250 |
- |
410,84 |
445,71 |
- |
- |
- |
353,61 |
300 |
- |
592,20 |
628,13 |
- |
- |
- |
501,81 |
Calculated masses of raised face flanges must be used only as a guide. |
|