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Description
Schrader Heavy Duty Range · G 1/4 BSP Female
The coupling that holds when the pressure is on.
Hardened steel construction. 17 bar rated. Schrader-pattern quick release. Engineered for trade workshops, industrial air lines, and professional pneumatic systems across the UK.
17 Bar / 250 PSI 500 L/min Flow G 1/4 BSP Female Hardened Steel UK Stock Fast Dispatch
In a compressed air system, the coupling is the critical junction — the point where reliability either holds or fails. This Schrader-pattern heavy duty coupling is built to hold. Indefinitely.
Engineering Detail
Built for Trade. Rated for Industry.
- Schrader-pattern quick release — industry-standard profile compatible with the widest range of UK workshop equipment and air tool accessories
- G 1/4 BSP female thread — precision-cut parallel thread for a leak-free, torque-stable connection to hose tails, manifolds, and regulators
- Hardened steel body — resists impact, corrosion, and the daily abuse of a working workshop environment
- 17 bar / 250 psi maximum working pressure — exceeds the output of virtually all workshop and industrial compressors
- 500 l/min flow rate at 6 bar — unrestricted airflow for high-demand tools including impact wrenches, spray guns, and DA sanders
- 8.5 mm nominal bore — full-flow internal diameter minimises pressure drop across the coupling
- Operating range –10°C to +60°C — performs reliably in cold stores, outdoor workshops, and heated industrial environments
- One-handed connect and disconnect — spring-loaded sleeve mechanism for fast, safe tool changes under pressure
Technical Specification
Data Sheet
| Parameter | Value |
|---|---|
| Coupling Pattern | Schrader Heavy Duty |
| Coupling Type | Female Socket (Receives Male Plug) |
| Thread Standard | G 1/4 BSP (ISO 228 Parallel) |
| Thread Gender | Female |
| Nominal Bore | 8.5 mm |
| Flow Rate | 500 l/min @ 6 bar |
| Max. Working Pressure | 17 bar (250 psi) |
| Operating Temperature | −10°C to +60°C |
| Body Material | Hardened Steel |
| Shipping Weight | 166 g (0.166 kg) |
| Country of Stock | United Kingdom |
| Dispatch | Same-day on orders placed before cut-off |
| Barcode | AC015014875390130 |
Compatibility & Use Cases
Where This Coupling Performs
Impact Wrenches Spray Guns DA Sanders & Polishers Tyre Inflators Air Ratchets Blow Guns Hose Assemblies Workshop Air Lines Compressor Outlets Industrial Manifolds Tyre Bays MOT Workshops
UK Stock
Held in the UK. No import delays.
Fast Dispatch
Same-day fulfilment on qualifying orders.
Trade Grade
Specified for professional workshop use.
17 Bar Rated
Exceeds standard workshop pressures.
Payment & Security
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