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Duplomatic CHM5 – Pilot Operated Check Valve

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Duplomatic Oleodinamica represents the real alternative in the hydraulics market.

Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.

The Duplomatic CHM5 is a pilot operated check valve (spring closing and cone on edge seals) with a built-in flow control feature. The mounting surface is according to the ISO 4401 (CETOP RP 121H) standard.

The CHM5 are always mounted under the ISO 4401-05 (CETOP 05) directional solenoid valves and can be assembled with all other ISO 4401-05 (CETOP 05) valves.

The pre-opening feature of the valve causes the decompression of the cylinder chamber, leading to a smooth motion.

Product Specification

Description Units
Maximum Operating Pressure 320 bar
Maximum Flow Rate 120 l/min
Decompression Ration 14,9 : 1
Piloting Ratio 2,3 : 1
Check Valve Cracking Pressure 2 bar
Ambient Temperature Range -20 /+50°C
Fluid Temperature Range -20 /+80°C
Fluid Viscosity Range 10 ÷ 400 cSt
Fluid Contamination Degree According to ISO 4406:1999
Class 20/18/15
Recommended Viscosity 25 cSt
CHM5-D Mass 2,2 kg
CHM5-SA & CHM5-SB Mass 1,9 kg

Duplomatic – CHM5 – Pilot operated check valve – Data Sheet

Additional Information



Modular Stack Valves

Check Valves


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