SS316 Double Shut-Off Hydraulic Quick Coupling

This industrial-grade stainless steel 316 quick coupling features a high-performance double shut-off mechanism designed for both gas and liquid applications. Equipped with precision-engineered internal poppet valves in both halves, it automatically seals fluid flow instantly on disconnection to eliminate line spilling and pressure drops. Manufactured from premium SS316, this heavy-duty coupler provides outstanding resistance against aggressive chemical substances, extreme hydraulic oil pressure, and high-temperature steam, making it ideal for pharmaceutical, chemical, and industrial fluid processing lines.

Technical Specifications

• Coupling Configuration: Double Shut-Off Mechanism (Valved Coupler and Valved Plug)

• Primary Body Material: High-Grade Stainless Steel 316 (CF8M)

• Internal Valve Material: Corrosion-Resistant Stainless Steel 316

• Locking Device: Stainless steel locking balls with heavy-duty spring-loaded sleeve

• Connection Type: Female Thread / Male Thread Options

• Thread Standards: NPT, BSPP, or BSPT conforming to international specifications

• Media Fluid Compatibility: Industrial steam, aggressive chemicals, gases, hydraulic oil, and demineralized water

• Sealing Compound: High-performance Viton (FKM) for high-temperature and chemical stability

• Alternative Seal Options: EPDM or PTFE seals available for specialized fluid requirements

• Flow Performance: Streamlined internal poppet valves optimize flow and minimize turbulence

• Corrosion Resistance: Ultimate performance against rust, pitting, and oxidation in harsh marine or chemical zones

• Leakage Control: Dual-flush face or poppet style guarantees bubble-tight zero-leakage shut-off

• Operating Mechanism: Sleeve pull-back design allows quick and dependable connection/disconnection

• Temperature Tolerance: Engineered to operate efficiently under continuous thermal load and steam environments

• Pressure Retention: Heavy-duty walls designed for medium-to-high pressure fluid systems

• Interchange Standard: Interchanges with standard international profiles of double shut-off series

• Surface Polish: Cleaned and passivated stainless steel finish for high-purity industrial sectors

• Safety Feature: Mechanical ball-locking prevents accidental disconnection during pressure impulses

• End Connections Drilling: Precision machined hex ends for straightforward wrench installation

• Factory Inspection: Every batch undergoes comprehensive pneumatic and hydrostatic pressure testing