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Description
Schrader Heavy Duty Range · Trade & Industrial Grade
Heavy Duty Pneumatic Adaptor
Male R 1/4" BSP Thread
Steel-bodied. Pressure-rated to 17 bar. Engineered for the sustained demands of professional compressed air systems — where a failed fitting is never an option.
In a compressed air system, the fitting is the last thing you should have to think about. This Schrader Heavy Duty Adaptor is built precisely so you don’t. A precision-machined male R 1/4" BSP taper thread seats firmly against any compatible coupling, creating a mechanical seal that holds under sustained pressure, repeated cycling, and the vibration inherent to active workshop environments. At 47 g, it disappears into your installation — and stays there.
Key Features
17 bar
Max. Working Pressure
Rated to 17 bar / 250 psi — exceeds the output of most industrial rotary screw and piston compressors.
500 l/min
Flow Rate @ 6 Bar
High-volume airflow with zero restriction. No pressure drop, no compromise on tool performance.
8.5 mm
Nominal Bore
Optimised bore diameter for the Schrader Heavy Duty system — maximum throughput in a compact body.
Steel
Body Material
Heavy-gauge steel construction. Resistant to impact, vibration, and the daily rigours of workshop use.
R 1/4" BSP Male Thread
Standard British Standard Pipe taper thread. Universally compatible with BSP-threaded manifolds, valves, and couplings.
Schrader System Compatible
Designed for seamless integration with the Schrader Heavy Duty quick-release coupling range.
Technical Specification
| Product Type | Heavy Duty Air Line Adaptor |
| Coupling Style | Adaptor |
| Connection Type | Male Thread |
| Thread Standard | R 1/4" BSP (Taper) BSP |
| Nominal Bore | 8.5 mm |
| Flow Rate | 500 l/min @ 6 bar |
| Max. Working Pressure | 17 bar / 250 psi |
| Temperature Range | −10°C to +60°C |
| Body Material | Steel |
| Compatibility | Schrader Heavy Duty System |
| Shipping Weight | 0.047 kg |
| SKU | air_comp1139 |
| Barcode / EAN | AC015014875390154 |
Typical Applications
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