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Duplomatic RQM*K*-P – Solenoid Operated Pressure Relief 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 RQM*K-P valves are explosion-proof pressure relief valves, available in ISO 6264 (CETOP RP 121H) subplate mounting version with three nominal sizes for flow up to 500 l/min.

They are compliant with ATEX 94/9/EC standards and are suitable for the use in potentially explosive atmospheres, that fall with the ATEX || 2GD (temperatures class T4 or T5).

The statement of conformity to the up-mentioned standards is always supplied with the valves.

They are available is five versions that allow the unloading of the total flow and selection up to three pressure values by means of a solenoid valve.

A low temperature version (up to -40°C) is available also.

They are supplied with a hexagonal head adjustment screw. Upon request, it can be equipped with a SICBLOC adjustment knob on the main pressure control.

The adjustment of the second and third pressure values is obtained by a pressure relief valve placed between the main stage and the solenoid valve.

The valve is supplied with standard surface treatment of phosphating black for the pilot body. Upon request we can supply these valves completely with zinc-nickel surface treatment, suitable to ensure a salt spray resistance up to 600 h.

Product Specification

Description RQM3K*-P RQM5K*-P RQM7K*-P
Maximum Operating Pressure 350 bar 350 bar 350 bar
Maximum Flow Rate 200 l/min 400 l/min 500 l/min
Fluid Viscosity Range 10 ÷ 400 cSt 10 ÷ 400 cSt 10 ÷ 400 cSt
Fluid Contamination Degree According to ISO 4406:1999 class 20/18/15 According to ISO 4406:1999 class 20/18/15 According to ISO 4406:1999 class 20/18/15
Recommended Viscosity 25 cSt 25 cSt 25 cSt

Duplomatic – RQM*K*-P – Solenoid Operated Pressure Relief Valve – Data Sheet

Additional Information



Pressure Relief Valves

Pressure Relief Valves with Unloading


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