METRIC Cartridge - 420 bar
Pilot Operated with anticavitation - Poppet Type
The RVP valve combines in one compact cartridge the typical func-
tion of relief valve and anticavitation through the check valve.
It’s a screw-in, pilot operated (2-stage), poppet type, normally
closed valve. When the pressure at the Inlet (1) reaches the valve
setting, the pilot poppet starts to open from its seat and
determines the shifting of the main stage poppet that throttles oil
flow to tank (2).
In the free reverse flow function a light bias spring allows for ease
of flow passage from side to nose (2 to 1).
The cartridge offers smooth transition in response to load changes
in demanding hydraulic circuits.
Smooth response, reduced pressure rise and limited hysteresis.
All external surfaces are zinc plated and corrosion-proof.
All valve parts are made of high strength steel. Poppets are
hardened and micron finished in order to guarantee minimal wear
and to extend service life.
Adjustment screw cannot be backed out of the valve.
Spring range up to 420 bar (6100 psi).
Back pressure on the tank port (port 2) is directly additive to the
valve setting at a 1:1 ratio.
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|Maximum operating pressure||420 bar|
|Maximum flow||100 l/min|
|Maximum internal leakage||1.0 cc/min @ 100 bar|
|Factory pressure settings||established @ 10 l/min|
|Reseat pressure||nominal 90% of crack pressure|
|Anti-cav cracking pressure||< 2 bar|
|temperature||-30°C to 110°C|
|fluids||Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt|
|installation torque||40-45 Nm|
|seal kit code||SK.056|
NOTE: The performance chart illustrates flow handling capacity at various settings. P/Q curves are recorded at TOil = 40°C
and 46 cSt