Pvpx Electrical Ls Unloading Valve - Danfoss PVG 32 Service Manual

Service Manual
PVG 32 Proportional Valve Group
Operation

PVPX Electrical LS unloading valve

© Danfoss | February 2017
Due to these factors use pressure control spools only when you know for certain that problems with
stability will arise – or already have arisen.
Use LS when pressure stability is an issue.
A/B
PVPX is a solenoid LS unloading valve. PVPX is fitted into the pump side module enabling a connection to
be made between the LS and the tank lines. Thus the LS signal can be relieved to tank by means of an
electric signal.
For a PVP pump side module in open center version the relief to tank of the LS signal means that the
pressure in the system is reduced to the sum of the tank port pressure plus the neutral flow pressure for
the pump side module.
For a PVP pump side module in closed center version, relief to tank of the LS signal occurs when the
pressure is reduced by the sum of the tank port pressure for the pump side module plus the stand-by
pressure of the pump.
C
Caution
Protect yourself from injury. Use proper safety equipment, including safety glasses, at all times.
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