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Description
Schrader Heavy Duty Coupling
G 1/4 BSP Female Thread | Professional Grade
Engineered for demanding workshop environments where reliability is non-negotiable. This professional-grade pneumatic coupling delivers consistent performance under pressure.
Engineering Excellence
The Schrader Heavy Duty Coupling represents the pinnacle of pneumatic connection technology. Precision-machined from hardened steel and finished with a corrosion-resistant nickel-plated coating, this coupling is built to withstand the rigours of professional workshop environments where downtime is not an option.
Every component is engineered to exacting tolerances, ensuring leak-free operation and consistent performance across thousands of connection cycles. The automatic shut-off valve prevents air loss during tool changes, maintaining system pressure and improving operational efficiency.
Technical Features
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Hardened Steel Construction
Superior durability and wear resistance for extended service life in demanding applications -
Nickel-Plated Finish
Corrosion-resistant coating ensures reliable performance in harsh workshop environments -
Automatic Shut-Off Valve
Prevents air loss during disconnection, maintaining system pressure and reducing compressor cycling -
High Flow Design
300 L/min flow capacity at 6 bar ensures optimal tool performance without pressure drop -
G 1/4 BSP Female Thread
Industry-standard parallel thread for secure, leak-free connections to air lines and manifolds -
One-Handed Operation
Ergonomic push-to-connect design enables rapid tool changes without compromising safety
Professional Applications
Automotive Workshops
Air tool connections, tyre inflation systems, spray painting equipment, and pneumatic lifts
Manufacturing Facilities
Production line pneumatics, assembly tools, quality control equipment, and automated systems
Maintenance Operations
Fleet maintenance, industrial equipment servicing, HVAC installations, and general repairs
Construction Sites
Pneumatic nailers, impact wrenches, air compressor distribution, and portable tool systems
Technical Specifications
| Thread Type | G 1/4 BSP Female (Parallel) |
| Body Material | Hardened Steel |
| Surface Finish | Nickel Plated |
| Seal Material | NBR (Nitrile Rubber) |
| Maximum Working Pressure | 16 bar (232 PSI) |
| Flow Rate | 300 L/min @ 6 bar |
| Operating Temperature | -20°C to +80°C |
| Connection Type | Push-to-Connect Quick Release |
| Valve Type | Automatic Shut-Off |
| Barcode | AC015014875390130 |
| Standards Compliance | ISO 6150-C, DIN 3266 |
Installation & Maintenance
Installation Guidelines
- Ensure air system is depressurized before installation
- Apply PTFE tape or thread sealant to male threads (3-4 wraps clockwise)
- Hand-tighten coupling onto air line or manifold
- Use appropriate wrench to tighten 1-1.5 turns past hand-tight
- Pressurize system gradually and check for leaks using soapy water solution
- Test connection under full working pressure before putting into service
Maintenance Best Practices
- Inspect coupling regularly for wear, damage, or corrosion
- Clean external surfaces with compressed air or soft brush
- Apply light machine oil to moving parts every 3-6 months
- Replace if excessive air leakage or difficulty connecting/disconnecting occurs
- Store in clean, dry environment when not in use
System Compatibility
This coupling is designed for universal compatibility with Schrader-type quick-connect systems and is fully interchangeable with ISO 6150-C standard components. The G 1/4 BSP female thread accepts standard male threaded fittings, air hoses, and pneumatic accessories.
Compatible with: Schrader plugs, ISO 6150-C plugs, air hoses with G 1/4 male threads, pneumatic tools, air line manifolds, pressure regulators, and filter-regulator-lubricator (FRL) units.
Quality Assurance
Every Schrader coupling undergoes rigorous quality control testing including pressure testing, leak detection, and dimensional verification. Manufactured to ISO 9001 standards, these couplings meet the demanding requirements of professional pneumatic systems.
Backed by comprehensive technical support and available from UK stock for immediate dispatch to workshops and facilities nationwide.
Payment & Security
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