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2. Safety Break-away Couplings. 3. Industrial VersionMarine VersionNon-Closure Version. Safety Break-away Couplings. 4. Industrial Version. Safety Break-away Couplings. Industrial break-away couplings are utilized in industrial product transfer installations. The industrial couplings are specifically designed to be able to activate with a tensile force being applied at an angle up to 90 degrees to the hose or pipe. INSTALLATION BETWEEN A FIXED POINT (PIPE, PUMP OR MANIFOLD) AND HOSE.. 1139
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Industrial Version
Marine Version
Non-Closure Version
Safety Break-away Couplings
4. 4 Industrial Version Safety Break-away Couplings
5. 5 Safety Break-away Couplings Industrial Version
The breaking bolt industrial break-away coupling is designed to minimize spillage and damage associated with drive away and pull away incidents.
Provides protection against situations where a hose or loading arm could be subjected to excessive loads
Coupling automatically senses an excessive load, closes the valves and disconnects
Operates independently of shut off safety systems and does not require an external power source
High flow rate with low pressure drop
Female NPT, Male NPT, ANSI/DIN flanges or any combination of flange or thread
Standard seals are VitonŽ
Available in sizes 1, 2, 3, 4 and 6
Material 316 Stainless Steel, Brass & Aluminum
6. 6 Safety Break-away CouplingsKey Features
7. 7 Safety Break-away Couplings
8. 8 Break Forces
The SB Couplings dry break-away couplings has three external breaking bolts. In the case of axial tension all of the bolts take up the force corresponding to the break force on the hose with a safety margin.
Non-axial forces concentrate the tension forces more strongly on one bolt, so that the breakaway coupling reacts to the reduction of the hose break forces.
The break forces are transferred directly to the breaking bolts up to 90 degrees from hose center
Size Industrial
1 4
2 13
3 33
4 52
6 92
Tension Forces in kN
Safety Break-away Couplings
9. 9 Marine Version Safety Break-away Couplings
10. 10 Marine Version
The breaking bolt marine version break-away coupling is designed to minimize spillage and damage associated with pull-away incidents.
Typical applications include: ship-to-offshore platform and ship-to-ship product transfer operations
Designed to be installed in a hose string where the coupling will be installed between two length of hose
Coupling automatically senses an excessive load, closes the valves and disconnects
Release is executed when force causes bolts to break
Standard seals are VitonŽ
Female NPT, Male NPT, ANSI/DIN flanges or any combination of flange or thread
Operates independently of shut off safety systems and does not require an external power source
High flow rate with low pressure drop
Available in sizes 2, 3, 4, 6 and 8
Material 316 Stainless Steel, Brass & Aluminum
Safety Break-away Couplings
11. 11 Safety Break-away CouplingsKey Features
12. 12 Safety Break-away Couplings
13. 13 Break Forces
The MSB Couplings dry break-away couplings has three external breaking bolts. In the case of axial tension all of the bolts take up the force corresponding to the break force on the hose with a safety margin.
Non-axial forces is minimized by an internal flange mechanism that provides increased resistance to torsion and bending forces which may be applied to the coupling in a marine application.
The break forces are transferred to the breaking bolts through the hose string. When the force on the breaking bolts exceed their design load, the bolts break and allow the valves to seal and separate.
Size Marine
1 4
2 13
3 33
4 52
6 92
Tension Forces in kN
Safety Break-away Couplings
14. 14 How It Works
The Safety break-away couplings consist of two halves, each with a valve that has a flat type-sealing surface similar to a dry disconnect coupling.
When the force on the breaking bolts exceed their design load, the bolts break and allow the valves separate.
The coupling automatically senses an excessive load, closes the valves and disconnects.
When the SBCouplings separate, it allows the poppets to close. The two poppets close rapidly, minimizing product loss.
Safety Break-away Couplings
15. 15 Safety Break-away CouplingsExamples of Connection Combinations
16. 16 Safety Break-away Couplings
17. 17 Range of Applications
Range of Application Media
Plant engineering & construction Lyes & Acids
Power plant construction Fuels & Oils
Chemical Industry Sea-water
Food processing industry Water, waste water
Process technology Toxic liquid
Tank cleaning Gases, compressed air
Filling systems for: airfields, railcars Superheated steam
tanker trucks, ship, tank containers Powders
Filling and emptying liquid gas (LPG) Foodstuffs Pharmaceutical products LPG/LNG CNG Hazardous materials
Safety Break-away Couplings
18. 18 Non-Closure Version Safety Break-away Couplings
19. 19 Safety Break-away Couplings
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