Marine Breakaway Couplings (MBC)

Hongruntong Marine provides high-performance Breakaway Couplings designed for offshore oil transfer systems, manufactured in full accordance with OCIMF 2009 standards. These couplings serve as critical safety devices in floating hose assemblies or SPM/STS operations, ensuring immediate shutoff and separation during over-tension or emergency disconnection scenarios.

We offer two main types to suit different operational preferences:

• Petal Type: Features a petal-shaped valve system that provides efficient sealing with minimal pressure drop, ideal for high-flow operations.

• Flip Flap Type: Employs a flap valve design for quick response and compact structure, suitable for space-restricted offshore systems.

Key Features & Benefits

• Automatic Breakaway Activation: Disconnects under dangerous tensile or surge conditions.

• Zero Spill Design: Dual shutoff valves instantly seal the system to prevent leakage.

• Corrosion & Marine-Grade Materials: Ensures durability in harsh offshore environments.

• Mechanical Operation: No external power required, fully fail-safe.

• Low Maintenance & Long Service Life

Applications

Breakaway couplings are widely used in:

• Single Point Mooring (SPM) systems

• Ship-to-ship (STS) oil transfer

• Offshore floating hose strings

• Crude oil and refined product transfer terminals

Technical Parameters

• Available Sizes: 4"–20"

• Working Pressure: Up to 21 bar

• Activation Load: Customizable per project needs

• Material: Stainless Steel / Carbon Steel with marine coating

• Connections: ANSI / DIN / JIS Flanges

• Standards: OCIMF 2009, GMPHOM 2009 compliant

Why Choose Hongruntong?

With over 35 years of experience, Hongruntong Marine delivers both Petal and Flip Flap type couplings with superior quality and high cost-efficiency. Our products are trusted by global offshore clients, and we guarantee competitive pricing, fast delivery, and full after-sales technical support.

Detailed Photos