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Description
KF Range · Pneumatic Fittings · UK Stock
KF Adaptor — Female Thread Rp 3/8 BSP
Precision-machined for the demands of professional compressed air systems. The KF Adaptor with Rp 3/8 BSP female thread delivers a secure, leak-free connection between your air line and quick-release coupling — engineered for workshops, fleet bays, and industrial production environments where reliability is non-negotiable.
Held in UK warehouse. Orders placed before cut-off are dispatched same or next working day. No long lead times, no overseas delays.
Technical Specifications
Product Overview
Built for Professionals. Specified by Engineers.
The KF Adaptor Female Thread Rp 3/8 is a core component of any well-configured compressed air system. Designed to mate seamlessly with the KF quick-release coupling range, this adaptor provides a robust, vibration-resistant connection point at any Rp 3/8 BSP female port — whether on a compressor outlet, manifold, regulator, or tool inlet.
Manufactured to tight tolerances, the fitting maintains a consistent seal under sustained working pressures, resisting the micro-leaks that degrade system efficiency and inflate energy costs over time. Its compact form factor allows installation in confined spaces without compromising accessibility for future disconnection.
Key Features
- Rp 3/8 BSP parallel female thread — compatible with standard BSP fittings and ports across all major brands
- KF quick-release coupling interface — enables tool-free, one-handed connection and disconnection under pressure
- Industrial-grade metal construction — withstands the mechanical stress and thermal cycling of continuous workshop use
- Precision-machined sealing surfaces — minimises air leakage and maintains system pressure integrity
- Compact, low-profile design — suitable for installation in restricted access locations
- Compatible with the full KF coupling and adaptor range — simplifies system standardisation across multiple bays or machines
Typical Applications
Permanent installation on compressor outlets, wall-mounted air points, and drop lines serving multiple bays.
Rapid tool changeover in tyre bays, MOT stations, and HGV maintenance facilities requiring high-cycle reliability.
Integration into pneumatic circuits on production lines where standardised coupling systems reduce downtime.
Lightweight, secure connection for mobile compressor rigs and service vans operating in the field.
Why Specify KF?
The KF coupling system is a trusted standard across UK professional workshops — recognised for its positive-lock mechanism, consistent flow characteristics, and long service life. Specifying KF adaptors throughout your air system ensures interchangeability across tools and locations, reducing the cost and complexity of maintaining mixed coupling inventories.
Paired with KF couplings, hose tails, and inline fittings available across our range, this adaptor forms part of a complete, cohesive pneumatic infrastructure built to last.
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