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Description
Schrader Heavy Duty Range · Professional Pneumatic Fittings
G 3/8 Female Thread Air Coupling
Steel Quick Release — Heavy Duty
SKU: air_comp1141 · 17 bar / 250 psi rated · 500 l/min flow · UK Stock
The Schrader Heavy Duty G 3/8 Female Thread Air Coupling is engineered for professionals who demand zero compromise in their compressed air systems. Built from solid steel with a precision-machined quick-release mechanism, this coupler delivers instant, leak-free connections under sustained working pressures up to 17 bar (250 psi) — the benchmark for serious workshop and industrial environments.
Where lesser couplings fatigue under repeated connect-disconnect cycles, the Schrader Heavy Duty range is designed for the long haul. The G 3/8 female thread provides a universally compatible, BSP-standard interface, making this coupling the natural choice for trade professionals fitting out air lines, servicing pneumatic tools, or building high-flow hose assemblies.
Key Features
Instant Quick Release
Single-handed connect and disconnect under pressure. Reduces downtime and tool-change time on busy workshop floors.
G 3/8 BSP Female Thread
Standard British Standard Pipe thread ensures broad compatibility with air hoses, manifolds, regulators and pneumatic tools across the trade.
All-Steel Construction
Solid steel body and internals resist impact, corrosion and wear — built to outlast the tools it connects.
High-Flow Performance
8.5 mm nominal bore delivers 500 litres per minute at 6 bar — sufficient for the most demanding pneumatic tools and multi-drop air lines.
Rated to 17 bar / 250 psi
Exceeds the working pressures of virtually all workshop compressors, providing a substantial safety margin in industrial applications.
Wide Temperature Range
Operates reliably from −10 °C to +60 °C — suitable for unheated workshops, cold stores and outdoor industrial environments.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Type | Quick Release Air Coupling |
| Series | Schrader Heavy Duty |
| Thread Type | Female |
| Thread Standard | G 3/8 BSP (British Standard Pipe) |
| Nominal Bore | 8.5 mm |
| Flow Rate | 500 l/min @ 6 bar |
| Maximum Working Pressure | 17 bar / 250 psi |
| Operating Temperature | −10 °C to +60 °C |
| Body Material | Steel |
| Shipping Weight | 0.195 kg |
| SKU | air_comp1141 |
| Barcode | AC015014875390147 |
Typical Applications
Compatibility & Pairing
This coupling is designed to mate with Schrader Heavy Duty male plug connectors and is compatible with the wider Schrader quick-release system. The G 3/8 BSP female thread accepts standard BSP-threaded male fittings, hose tails and adapters. For multi-drop installations, pair with a Schrader manifold block or inline filter-regulator unit for a complete, professional air circuit.
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