The L50 is a high-performance spring-loaded pressure maintaining valve designed for precise inlet pressure control in low to high-pressure applications. Its manually adjustable design enables accurate pressure regulation, while its robust construction ensures reliability in harsh environments. Available in aluminium or stainless steel, the L50 supports a wide range of liquid and gas media with a maximum inlet pressure of 400 barg. It features bubble-tight sealing, helium leak testing, and multiple elastomer options for optimal performance. Ideal for compressors, filtration, aerospace, and research applications, the L50 provides stable, repeatable pressure control across various industrial sectors.

Key features

Spring-loaded pressure control

Aluminium or stainless steel body

Outlet pressure: 0 – 400 barg

Inlet pressure: up to 400 barg

Compatible with NBR, FPM, and EPDM elastomers

Leak-tight with helium leak testing

Handwheel or knob adjustment

Suitable for gases and liquids

Optional locking and panel mount