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Safety Break-away Couplings

Safety Break-away couplings are used to prevent pull away accidents, protect terminal and loading/unloading equipment and eliminated unwanted product release.
The break-away couplings has a diverted breaking point which will break at a determined break-load where upon the internal valves will automatically close on both sides.
This will in a longer time frame minimize down time, save money, equipment and the environment.
The Safety Break-away couplings are available as Industrial and Marine type.

  1. Industrial Break-away coupling
  2. Marine Break-away coupling

Industrial Break-away coupling is utilized all industrial product transfer installations.
The industrial Safety Break-away Couplings are specifically designed to be able to activate with a tensile force being applied at an angle to the plane of the coupling housing, up to 90 degrees.
Typically installed into loading arm and hose assemblies, where at least one side of the coupling is attached to a rig and fixed point.

Technical information Industrial Safety Break-away Couplings :

- Sizes : 1" (DN25) to 6" (DN150)
- Maximum Working pressure : 10 bar, 16 bar & 25 bar (150 Psi & 300 Psi)
- Test Pressure : 15 bars, 24 bars et 38 bars (225 Psi et 450 Psi)
- Coupling materials : Aluminium, Brass, Stainless steel, Hastelloy, Titanium.
Other materials on request.
- Connections : Female and Male BSP/NPT, flanged DIN and ANSI.
Other connections on request.

Industrial Break away coupling

Examples of Connection combinations

BSP Female thread / BSP Female thread NPT Female thread / NPT Female thread Male thread / Male thread
BSP Female thread BSP Female thread NPT Female thread NPT Female thread Male thread Male thread
     
NPT Female thread / NPT Male thread
also available with BSP
Victaulic / Victaulic NPT Female thread / Victaulic
NPT Female thread NPT Male thread Victaulic Victaulic NPT Female thread Victaulic
     
Flange / Flange Flange / Thread
(BSP/NPT -Female/Male and Victaulic)
 
Flange Flange Flange Thread  

Coupling sizes and connections

Industrial Breaking Bolt Series
Part n° Nominal width Breaking force Connection1) kg (Stainless) kg (Aluminium)
SS Alu
  1" 4,8 kN 3,2 kN 1" Thread 1,6 -
1" Flange 2,7 -
  2" 13 kN 9 kN 2" Thread 2,6 0,9
2" Flange 7,3 2,5
  2½" 22 kN 10 kN 2½" Thread 7,4 2,5
2½" Flange 13,2 4,5
  3" 33 kN 15 kN 3" Thread 8,5 2,9
3" Flange 15,1 5,1
  4" 52 kN 24 kN 4" Thread 15,5 5,3
4" Flange 20,7 7,0
  5" 81 kN 37 kN 5" Thread 32,0 12,0
5" Victaulic 31,0 11,7
  6" 92 kN 54 kN 6" Thread 46,8 15,9
6" Flange 57,6 19,6
  8" 165 kN 96 kN 8" Thread - -
8" Flange 71,0 25,9
  10" 151 kN 151 kN 10" Flange 120 -
  12" 217 kN 217 kN 12" Flange 185 -
1) Threads: Female and Male (F/F - F/M - M/M) BSP, Female and Male (F/F - F/M - M/M)
Flanges: ANSI 150 psi / ANSI 300 psi, DN 25-150 PN 10/16 and PN 25/40, TW1/50, TW3/80, TW?/150, T.T.M.A .
Others: Victaulic

Materials

Component Material Standard Operation temperature 3)
Housing
Check valve
SS (Stainless Steel) EN 10272 - 1.4404+AT -40°C to 250°C
EN 10213 - 1.4409+AT
Br/Gm (Brass/Gun metal) EN 12164 - CW614N -40°C to 200°C
EN 1982 - CB491K-GS
AL (Aluminium) EN 755 - AW-6262-T6 -40°C to 150°C
EN 1706 -AC-42100-T6
3) For temperature stability of the seal material used must be considered separately for each individual case

Seals

Component Material Description4) Operation temperature3)
O-ring FKM Viton™ -30°C to 200°C
EPDM Buna AP -40°C to 120°C
FFKM Kalrez™ Chemraz™ -15°C to 230°C
NBR Perbunan -38°C to 80°C
3) For temperature stability of the seal material used must be considered separately for each individual case
4) Kalrez, Viton = Registered Trademarks of DuPont; Chemraz = Registered Trademark of Green Tweed
Working pressure: 16 bar / 25 bar 150psi / 300 psi
40 bar / 600 psi on request.

Marine version of SB Couplings are designed specifically to be installed within a hose string, where the coupling would have a length of hose attached to both sides.
This coupling incorporates the same internal mechanism as our Industrial couplings, but has additional external features that provide increased resistance to torsional and bending moment forces which may be applied to the coupling, preventing premature activation in the unpredictable marine environment.
Typical applications include ship to offshore platform, and ship to ship product transfer opertations.
Marine Break-away function :
Marine Safety Break-aways are designed to only release by inline pull and used between two strings of hose.
Release by inline pull only.

Technical information Marine Safety Break-away Couplings :

- Sizes : 1" (DN25) to 12" (DN300)
Other sizes on request.
- Maximum Working pressure : 10 bar, 16 bas &t 25 bas (150 Psi & 300 Psi)
- Pressions d’essai : 15 bars, 24 bars et 38 bars (225 Psi et 450 Psi)
- Coupling materials : Aluminium, Brass, Stainless steel, Hastelloy, Titanium.
Other material on request.
- Connections : Female and Male BSP/NPT, flanged DIN and ANSI.
Other connections on request.

Marine Break away couplings

Examples of Connection combinations

BSP Female thread / BSP Female thread NPT Female thread / NPT Female thread Male thread / Male thread
BSP Female thread BSP Female thread NPT Female thread NPT Female thread Male thread Male thread
     
NPT Female thread / NPT Male thread
also available with BSP
Victaulic / Victaulic NPT Female thread / Victaulic
NPT Female thread NPT Male thread Victaulic Victaulic NPT Female thread Victaulic
     
Flange / Flange Flange / Thread
(BSP/NPT -Female/Male and Victaulic)
 
Flange Flange Flange Thread  

Coupling sizes and connections

Marine Breaking Bolt Series
Part n° Nominal width Breaking force Connection1) kg (Stainless) kg (Aluminium)
SS Alu
  1" 4,8 kN 3,2 kN 1" Thread 1,6 -
1" Flange 2,7 -
  2" 13 kN 9 kN 2" Thread 2,6 0,9
2" Flange 7,3 2,5
  2½" 22 kN 10 kN 2½" Thread 7,4 2,5
2½" Flange 13,2 4,5
  3" 33 kN 15 kN 3" Thread 8,5 2,9
3" Flange 15,1 5,1
  4" 52 kN 24 kN 4" Thread 15,5 5,3
4" Flange 20,7 7,0
  5" 81 kN 37 kN 5" Thread 32,0 12,0
5" Victaulic 31,0 11,7
  6" 92 kN 54 kN 6" Thread 46,8 15,9
6" Flange 57,6 19,6
  8" 165 kN 96 kN 8" Thread - -
8" Flange 71,0 25,9
  10" 151 kN 151 kN 10" Flange 120 -
  12" 217 kN 217 kN 12" Flange 185 -
1) Threads: Female and Male (F/F - F/M - M/M) BSP, Female and Male (F/F - F/M - M/M)
Flanges: ANSI 150 psi / ANSI 300 psi, DN 25-150 PN 10/16 and PN 25/40, TW1/50, TW3/80, TW?/150, T.T.M.A .
Others: Victaulic

Materials

Component Material Standard Operation temperature 3)
Housing
Check valve
SS (Stainless Steel) EN 10272 - 1.4404+AT -40°C to 250°C
EN 10213 - 1.4409+AT
Br/Gm (Brass/Gun metal) EN 12164 - CW614N -40°C to 200°C
EN 1982 - CB491K-GS
AL (Aluminium) EN 755 - AW-6262-T6 -40°C to 150°C
EN 1706 -AC-42100-T6
3) For temperature stability of the seal material used must be considered separately for each individual case

Seals

Component Material Description4) Operation temperature3)
O-ring FKM Viton™ -30°C to 200°C
EPDM Buna AP -40°C to 120°C
FFKM Kalrez™ Chemraz™ -15°C to 230°C
NBR Perbunan -38°C to 80°C
3) For temperature stability of the seal material used must be considered separately for each individual case
4) Kalrez, Viton = Registered Trademarks of DuPont; Chemraz = Registered Trademark of Green Tweed
Working pressure: 16 bar / 25 bar 150psi / 300 psi
40 bar / 600 psi on request.