Bosch Rexroth Pressure Relief Valve R930070446 / VMR3.YHK.VG.000-VMR-32-YHK-N-420-FKM

Bosch Rexroth Pressure Relief Valve

R930070446 / VMR3.YHK.VG.000-VMR-32-YHK-N-420-FKM

SKU: 141 Category:

Description

Flow is blocked from 1 to 2 until pressure increases to meet
the selected valve setting, lifting the conical, pilot-stage
poppet from its seat. This action exhausts oil above the
main-stage poppet (low-leakage, seat type), allowing it to
shift and provide relief flow through 2 to tank.
The anti-cavitation function makes up for lacking oil volumes
caused, for example, by leakage when pressure valves
respond or in the case of leading loads. If the pressure at
main port 1 is lower than the one at main port 2, the spool
will be lifted out of its seat. Hydraulic fluid flows from main
port 2 to main port 1. The spring chamber is drained to tank
at port 3 allowing a consistent relief setting independent of
back-pressure at port 2

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