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Duplomatic Z*P – Pressure Reducing Valves

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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 Z*-P type valves are used when a branch with a lower pressure than the main one is desired in the hydraulic circuits.
Being normally open, they allow passage of oil up to the point when the outlet pressure is less than that set on the valve; the valve closes and keeps the outlet pressure constant when it reaches the set value. The intake pressure fluctuation, for values greater than the set values, does not affect the reduced outlet pressure, and furthermore the particular design of the valve prevents exceeding the set value even in transients.
The drainage, to be connected directly to the tank, discharges about 0,8 l/min. The valves are available, upon request, with reduced drainage (0,4 l/min).
Available even with incorporated check valve upon request, with cracking pressure of 0,5 bar.

Product Specification

Description Z3-P Z5-P
Maximum Operating Pressure 250 bar 250 bar
Maximum Flow Rate 40 l/min 110 l/min
Drain Flow Rate for Z*-P 0,8 l/min 0,8 l/min
Drain Flow Rate for Z*-P*R 0,4 l/min 0,4 l/min
Ambient Temperature Range  -20 / +50 °C -20 / +50 °C
Fluid Temperature Range  -20 / +80 °C -20 / +80 °C
Fluid Viscosity Range  10 ÷ 400 cSt 10 ÷ 400 cSt
Fluid Contamination Degree  According to ISO 44-6:1999 Class 20/18/15 According to ISO 44-6:1999 Class 20/18/15
Recommended Viscosity  25 cSt 25 cSt
Mass  3,9 kg 6,1 kg

Duplomatic – Z*P – Pressure Reducing Valves – Data Sheet

Additional Information



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