Full Bore Marine Breakaway Couplings

The KLAWZERO Full Bore is the only Breakaway Coupling of its kind in the world that provides double valve 100% instantaneous shut-off and is suitable for viscous, abrasive or hazardous media transfers.

The KLAWZERO Full Bore provides an identified and safe parting point within the transfer system and is specially designed for the demands of viscous, abrasive and hazardous media transfer operations.

Minimizing risk of injury, clean-up costs and damage to assets and reputations.

In an emergency, the valves close and the coupling then separates – providing downstream and upstream flow shut-off.

Typical applications

• Extended Well Flow Testing
• Drilling Waste Management operations
• Flowback operations
• Cutting fluid operations
• Containment operations
• Viscous and abrasive media transfer
• Dry powder transfer
• Shuttle tankers for Crude Oil
• Offshore transfer operations
• Hazardous media transfer

Typical media

Ideal for viscous materials.

• Well test materials
• Waste flow from drilling activities
• Cement
• Bitumen
• Mud
• Waste products
• Sulphuric Acid

No line restriction means faster flow and reduced transfer time.

This unique Full Bore design offers full unrestricted media transfer.

Fully pigable

The KLAWZERO Breakaway Coupling offers the benefit of being able to “pig” the transfer line without removal from service.

Shown: Illustration demonstrating how cleaning can be done without the need to remove the KLAWZERO Breakaway coupling from the line.

100% shut off

Provides instantaneous 100% double shut off when a predetermined tensile load is applied.

No clogging or abrasion

All working mechanisms are completely isolated from media flow until activation. Clogging or abrasion from the media is therefore eliminated.

Sequential closure of the KLAWZERO Full Bore

1. The Full Bore Coupling is in its in-line operation state.

1. The unit is activated and the valve closing sequence begins.

1. As the internal sleeve extends, this allows the valves to close.

1. The sleeve separates and the activation is complete.

Conceptual illustrations only. Contact KLAW for technical representations.

Sizes

2? to 8?

Fluid transfer operations in harsh offshore environments are at risk of tanker breakaway and internal surge pressures, causing oil spills and damage to hoses and fittings. To mitigate the risks of transfer operations Offspring International offers a range of marine breakaway couplings from leading producers.

Breakaway couplings are an essential component in maintaining the environmental integrity of tanker offloading operations, providing passive hose string protection against excessive axial tension and internal surge pressures. These primarily occur as a result of tanker breakouts, caused by excessive environmental forces parting mooring hawsers, over-stressing the hose and potentially rupturing them. While the hose’s internal pressure can surge as a result of an incorrectly operated valve closing against the flow of fluid, leading to the hose’s carcass/carcasses or fittings becoming damaged.

To determine the appropriate valve and provide reliable transfer operations, Offspring works with the customer to determine the following system details:

• Terminal location
• Environmental conditions
• Pipeline size
• Product flow rate
• Product pressure

All marine breakaway couplings supplied by Offspring International are designed and manufactured under quality systems in accordance with ISO 9001 and OCIMF guidelines.

Marine Breakaway Couplings (MBCs) are crucial for offshore transfers. Their purpose is to protect the hose transfer operations, assets, personnel, and reputations which they do by drastically reducing to the minimum the offshore spill risks caused by extreme pressure surges or tanker breakouts.

The Marine Breakaway Coupling automatically activates and shuts off product flow either when there is undue tensile load on the hose string or an unacceptable surge in flow. The MBC then separates.

Marine Breakaway Coupling Purpose

Marine Breakaway Couplings (MBCs) provide an identifiable safety fuse in offshore fluid transfer systems. The Marine Breakaway Coupling automatically activates and shuts off product flow either when there is undue tensile load on the hose string or an unacceptable surge in flow. The MBC then separates.

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Source: offspringinternational.com