Nomenclature
- Quick Release Coupling
- Quick Connect Fitting
- Quick Disconnect Coupling
- Quick Release Assembly
Types and Mechanisms
- Ball-lock or snap-type using spring-loaded balls and sleeve for secure lock
- Cam-lock employing manual cam arms for quick hose coupling
- Dry-break flat-face for minimal fluid loss and contamination control
- Bayonet and roller-lock types for dedicated engagement styles
Care and Maintenance
- Clean after use to remove contaminants and prevent seal damage
- Engage dust caps when disconnected to protect from debris
- Inspect seals and locking parts regularly; replace worn O-rings
- Follow installation guidelines and pressure test to 150 percent of working pressure
Description and Features
Quick release couplings allow fast manual connection and disconnection of fluid or gas lines, eliminating the need for tools or wrenches and reducing downtime.
They feature self-sealing valves that prevent spillage, enhancing workplace safety and keeping systems clean.
Constructed from durable materials such as brass, stainless steel, or carbon steel, and using robust seals and locking mechanisms, they handle a wide range of pressures and fluids.
- Snap-type or ball-lock for fast hand-operated use in lab, pneumatic, and instrumentation systems
- Dry-break (flat-face) couplings for spill-free disconnection in hydraulic and chemical applications
- Cam-lock, roller-lock, bayonet and snap-lock variants tailored to specific industries and pressures
- Single-shut-off, double-shut-off, and straight-through designs to manage leakage and pressure drop
Common Uses
- Hydraulic systems in construction, agriculture, mining and industrial machinery
- Pneumatic tools, air compressors, and automation equipment
- Chemical, food, and beverage industries requiring clean connections
- Laboratory and medical settings using instrumentation lines
Selection and Sizing
Match coupling to fluid type, pressure range, and connection compatibility (threaded, push-in, panel mount).
Choose shut-off style: single, double, or straight-through, based on fluid retention needs.
Refer to applicable standards: ISO 7241 for hydraulic, ISO 6150 for pneumatic, MIL-C-27487 / A-A-59326 for camlock.
- Specify size, pressure rating, material, seal type, and shut-off style
- Example: hydraulic flat-face ISO 7241-A, 3/8 in brass double shut-off
- Example: pneumatic industrial interchange 1/4 in, push-to-connect with NBR seals
Scope of Supply
Supplied as plug (male) and socket (female) halves, or as matched sets
Available in materials: brass, stainless steel, aluminum, carbon steel
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