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Duplomatic VR4M – 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 Duplomatic VR4M valve is a check valve made as a modular version with mounting surface according to the ISO 4401 (CETOP RP 121H) standards.

Used to avoid oil back flows and self-emptying of lines, or to generate back pressures.

Can be assembled quickly under the ISO 4401-05 (CETOP 05) directional solenoid valves without use of pipes, using suitable tie-rods or bolts.

Available in two versions with check valve on line P or T.

Product Specification

Description Units
Maximum Operating Pressure 320 bar
Check Valve Cracking Pressure 0,5 – 8 bar
Maximum Flow Rate in the Controlled Lines and in the Free Lines 100 l/min
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 2,3 kg

Duplomatic – VR4M – Direct Check Valve – Data Sheet

Additional Information



Modular Stack Valves

Check Valves


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