Cartridge valve
Pressure Valves
- Reducing Valves
- Relief Valves Reducing Valves Sequence Valves Pilot Unloading Valves
LDPR5-10
PDF DownloadDescription
A cartridge-style direct-acting spool-type pressure reducing/relieving valve
SYMBOL
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Pack up all
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Technical Feature
OPERATION
In its steady state, the valve allows flow to pass bi-directionally from ② to ①， with the
spring chamber constantly drained at ③． On attainment of a pre-determined pressure
at ① , the cartridge shifts to restrict input flow at ② , thereby regulating pressure at
① . In this mode, the valve will also relieve ① to ③ at approximately 10 bar over the
reducing setting. -
PerformanceCurves
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Technical Data
Operating PressurePorts ①&②： 345bar
Port ③： 69barFlowSee PRESSURE DROP VS. FLOW graph.Cavity10-3FiltrationRefer to "Cleanliness of Hydraulic Fluid"Internal Leakagefrom②to③82cc/min max.Standard Spring Ranges10.3-37.9 bar， preset： 19bar
6.9-103.4 bar， preset： 57bar
27.6-144.8 bar， preset： 72bar
55.2-227.5 bar， preset： 114barTemperature-40ºF to +250ºF(-40ºC to +120ºC)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body MaterialSteel & Ductile iron rated to 350bar -
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