| PDF Export | |
Hydraulic Quick Disconnect Stainless Steel Fittings (High-Pressure Quick Release Couplings)
As an industry-leading China hydraulic quick coupler manufacturer, we manufacture a comprehensive selection of high-performance hydraulic quick disconnect stainless steel fittings and stainless steel quick release hydraulic couplings. Engineered for rapid, tool-free connection and disconnection of fluid transfer lines, our quick-connect mechanisms maintain an absolute, leak-free seal. Machined from premium corrosion-resistant alloys, Fitsch quick couplers provide total dimensional interchangeability with global standards including ISO 16028, ISO 7241-A, ISO 7241-B, and heavy-duty brand models from Parker (FE/6600), Faster, and Hansen.
Precision Engineering & Valving Mechanics
Our quick disconnect assemblies consist of a precision-matched male plug (nipple) and a female sleeve coupler, available in two primary valving configurations to suit your system architecture:
Flat Face Non-Spill (ISO 16028): Features a flush face design that completely eliminates air inclusion during connection and fluid spillage upon disconnection. Ideal for environmentally sensitive areas and cleanroom operations.
Poppet Valve Style (ISO 7241 Series A & B): Utilizes durable, spring-loaded conical poppet valves that open automatically when connected to maximize flow rates and minimize internal pressure drop.
Heavy-Duty Locking Sleeves: Equipped with a dependable ball-locking sleeve arrangement and a safety lock feature that prevents accidental disconnection caused by dragging hoses or high-vibration harmonics.
Technical Specifications & Sourcing Matrix
Premium Material Grades: Manufactured strictly from solid AISI 316L (1.4404) or AISI 316 (1.4401) stainless steel for extreme corrosion resistance. Heavy-duty internal springs and locking balls are made from SS316 or high-strength alloys to prevent mechanical fatigue.
Advanced Sealing Profiles: Equipped standard with premium Viton (FMC/FKM) or NBR seals paired with PTFE backup rings, supporting an operational temperature span from -20°C to +200°C (-4°F to +392°F). EPDM and Kalrez seals are available for aggressive chemical media.
Sizing Availability: Standard body configurations in 1/4", 3/8", 1/2", 3/4", and 1" sizes.
Working Pressure Ratings: Engineered to safely handle maximum continuous pressures up to 5,000 psi (350 bar) depending on body size, with a strict 4:1 safety burst factor.
Thread End Connections: NPT female threads, BSPP (G thread) parallel ports, JIC 37-degree flare ends, and bulkhead mounting layouts.
Target Applications
Our stainless steel quick disconnect couplings provide secure, zero-contamination fluid swapping across demanding global industries:
Marine vessel hydraulic loops and offshore subsea control skids
Chemical process lines and pharmaceutical product distribution manifolds
Food, beverage, and sanitary washdown processing plants
Mobile heavy machinery attachment changes (excavators, agricultural implements)
Oil and gas oilfield extraction tools and hydraulic fracturing lines
Why Partner with Our China Factory?
100% Leak Testing: Every single quick disconnect body undergoes pneumatic and hydraulic seal validation prior to packaging.
Smooth Fluid Dynamics: Streamlined internal fluid ports engineered via advanced CAD testing to keep pressure drop to an absolute minimum.
OEM Customization: Rapid production of custom thread combinations, color-coded anodized rings, and specialized high-pressure sleeve extensions.
