Flow control and check valves

Check valves

Check valves allow flow in one direction only and block the opposite direction automatically. The range holds more than 230 items for pneumatic and hydraulic applications in port sizes up to G 2".

The hydraulic check valves are designed for high nominal pressures up to PN 350 and are available in versions with a defined opening pressure from 0.3 to 8.0 bar. Individual variants are made of stainless steel.

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  1. RUCK 12 MSV E. Rückschlagventil (leicht), G 1/2", PN 12, Messing vernickelt
    €11.19
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Buying guide

How to choose Check valves

What matters when choosing: properties, comparison and typical applications.

Selection criteria

Port size Threads from smaller sizes up to G 2".
Nominal pressure Hydraulic versions up to PN 350.
Opening pressure Defined values from 0.3 to 8.0 bar depending on variant.
Material Standard and stainless steel version for corrosive media.

Typical Applications

Check valves prevent backflow in compressed air and hydraulic circuits, hold pressures in accumulators and protect pumps against return flow. The defined opening pressure determines the differential pressure at which the valve opens.