Explore our range of CEJN® high-pressure Breathing Air products, including hose-tail couplings, and male and female hose tail adaptors. CEJN® couplings have grown into a global standard and are essential for the smooth running of wind turbines, ships, drilling sites, subsea exploration systems, and many other air tool and compressor equipment applications.

CEJN® Breathing Air quick-release couplings feature a broad connection range, a high flow rate, and need only minimal force to attach – with one-hand operated connection. They also have an automatic safety lock and surpass all breathing air requirements.

Showing 1–12 of 25 results

CEJN® Series 341 Female Adaptor BSPP

From: £10.68

CEJN® Series 341 Female Coupling BSPP

From: £49.98

CEJN® Series 341 Hose Tail Adaptor

From: £10.68

CEJN® Series 341 Hose Tail Coupling

From: £70.83

CEJN® Series 341 Male Adaptor BSPT

From: £10.68

CEJN® Series 341 Male Adaptor NPT

£18.65

CEJN® Series 341 Male Coupling BSPT

£72.54

CEJN® Series 341 Male Coupling NPT

£75.81

CEJN® Series 344 Female Adaptor

£18.56

CEJN® Series 344 Female Coupling

From: £60.18

CEJN® Series 344 Hose Tail Adaptor

CEJN® Series 344 Hose Tail Coupling

From: £54.26

CEJN Breathing Air Couplings – Safe, High-Performance Connections

At Hoses Direct, we supply CEJN breathing air couplings, designed for maximum safety, high flow capacity, and easy one-hand operation. Built to exceed industry standards, they ensure secure, leak-free connections in industrial, medical, and emergency breathing air systems.

Key Features:

Automatic Safety Lock – Prevents accidental disconnection for enhanced safety. High Flow Rate – Ensures efficient air delivery with minimal pressure drop. Quick-Connect, One-Hand Operation – Fast, reliable coupling for reduced downtime. Compact & Durable – Space-saving design with rugged construction. Stream-Line Reusable Fittings – Flexible, cost-effective hose solutions.

Why Choose CEJN Breathing Air Couplings?

CEJN is a trusted brand for breathing air quick couplings, delivering superior performance and reliability. Whether for compressed air systems, medical use, or industrial applications, CEJN couplings ensure safety, efficiency, and durability.

Need assistance choosing your CEJN® Breathing Air product?

With decades of experience, the Hoses Direct team is ideally placed to offer advice on the right CEJN® quick-release coupling for your project. Get in contact by phone on 0333 6000 501, or simply join our live web chat service - and we'll be happy to help you select a suitable product.