Pressure Compensator - Danfoss PVG 32 Service Manual

Service Manual
PVG 32 Proportional Valve Group
PVG 32 Component Troubleshooting

Pressure compensator

Failure mode
Valve section unstable flow
LS pressure limiting valve pressure adjustment
will not remain static
30 | © Danfoss | February 2017
PVLP valve
Plug
13 mm
36 Nm
[310 lbf•in]
Description: Optional pressure compensator maintains a constant pressure drop across the main spool.
Location: PVB (Valve section) Module.
Function: In a pressure-compensated basic module the compensator maintains a constant pressure drop
across the main spool – both when the load changes and when a module with a higher load pressure is
actuated.
Cause
High wear allows leakage
High wear
Serviceability: Pressure compensator is not serviceable. If you suspect valve malfunction, replace
complete module.
Do not try to adjust
or disassemble PVLP
P107 743E
Corrective action
Replace complete module
Replace complete module
11039167 | AX00000031en-US0301