Rubber hose – Flexible hose high pressure – Hose assemblies – Quick coupling – Flexibles for fluid transfer

Class 900 Flange - DN 80 to 600 - ASME B16.5

 

Type 5

Class 900 Flange - Type 05 - Blind flange
passage-des-boulons-brides-class-900 type-5-brides-class-900
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.

Type 11

Class 900 Flange - Type 11 - Flange with butt-weld neck
passage-des-boulons-brides-class-900 type-11-brides-class-900
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.

Type 12

Class 900 Flange - Type 12 - Slip-on and weld neck flange
passage-des-boulons-brides-class-900 type-12-brides-class-900 
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.

Type 13

Class 900 Flange - Type 13 - Threaded flange with neck
passage-des-boulons-brides-class-900 type-13-brides-class-900 
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.

Type 15

Class 900 Flange - Type 15 - Rotating flange with neck for the end of the pipework with a drawn neck
passage-des-boulons-brides-class-900 type-15-brides-class-900 
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.

Type 21

Class 900 Flange - Type 21 - Integral flange
passage-des-boulons-brides-class-900 type-21-brides-class-900 
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.

Tolerances

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 All

Masse

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.