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Duplomatic CHM2 - Direct 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 CHM2 valve is a hydraulically released check valve with spring closing and with cone on edge seals; the mounting surface is according to the ISO 4401 (CETOP RP 121H) standards.

  • Prevention of Flow One-Way
  • Flow in One-Way, if opened by a Pilot Pressure
  • Free Flow in the Other Way
  • The CHM2 valves are always mounted downstream of the DL2 type directional solenoid valves (see cat. 41 100) and can be assembled with all other ISO 4401-02 (CETOP R02) valves.


Description Units
Maximum Operating Pressure 250 bar
Maximum Flow Rate 30 l/min
Ratio between Pressure of the Sealed Chamber and the Piloting Pressure 3.5 : 1
Opening 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
Mass 0,75 kg

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Vat Reg Number: 846644204 Company Registration Number: 5230249

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