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  • Duplomatic CHM7 - Pilot Operated Check Valve
  • Duplomatic CHM7 - Ordering Information
  • Duplomatic CHM7 - Mounting Dimensions

Duplomatic CHM7 – 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 CHM7 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 CHM7 valves are always mounted downstream of the DSP7 type directional solenoid valves (see cat. 41 420) and can be assembled with all other ISO 4401-07 (CETOP 07) valves.

    Product Specification

    Description Units
    Maximum Operating Pressure 350 bar
    Maximum Flow Rate 300 l/min
    Ratio between Pressure of the Sealed Chamber and the Piloting Pressure 13 : 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
    CHM7-S* Mass 7,6 kg
    CHM7-D Mass 7,7 kg

    Duplomatic – CHM7 – Pilot Operated Check Valve – Data Sheet

    Additional Information



    Modular Stack Valves

    Check Valves


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