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Duplomatic PCM3 – Two and Three Way Pressure Compensator

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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 PCM3 valve is a two or three-way pressure compensator, developed as a modular version with mounting surface according to the ISO 4401 (CETOP RP121H).

Its aim is to keep the pressure drop setting (characteristic ∆p) between the line P and alternatively the lines A and B, at a constant level.
It is normally used together with proportional directional valves, in order to control the flow rate independently of the pressure variations.

The selection of the piloting pressure on the lines A and B is carried out automatically via a shuttle check valve built into the compensator.
The setting of the variable adjustment compensator (characteristic ∆p) can be varied from 7 to 33 bar, via a countersunk hex adjustment screw or via an adjustment knob.
The fixed adjustment compensator is available with setting (characteristic ∆p) of 4 and 8 bar.

Product Specification

Description Units
Maximum Operating Pressure 350 bar
Characteristic: Fixed Adjustment 4 – 8 bar
Characteristic: Variable Adjustment 7 ÷ 33 bar
Max Flow Rate 40 l/min
Ambient Temperature Range -20 / +50 °C
Fluid Temperature Range -20 / +90 °C
Fluid Viscosity Range 10 ÷ 400 cSt
Fluid Contamination Degree According to ISO 4406:1999
Class 20/18/15
Recommended Viscosity 25 cSt
Mass 1,5 kg

Duplomatic – PCM3 – Two and Three Way Pressure Compensator – Data Sheet

Additional Information



Modular Stack Valves

Pressure Control Relief Valves


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