Cartridge valve
Pressure Valves
- Relief Valves
- Relief Valves Reducing Valves Sequence Valves Pilot Unloading Valves
LRPEC
PDF DownloadDescription
A cartridge-style smooth-andquiet balanced piston relief valve
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Technical Feature
OPERATION:
The valves are normally closed, pressure-limiting valves used to protect hydraulics
components from pressure transients. W hen the pressure at the inlet (port ① ）
reaches the valve setting， the valve starts to open to tank (port ② ), throttling flow to
limit the pressure rise. The valves are accurate, have low pressure rise flow they are
smooth and quiet, and are moderately fast.
Back pressure on the tank port ② is directly additive to the valve setting at a 1:1ratio. -
PerformanceCurves
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Technical Data
Operating Pressure350barFlowSee PRESSURE DROP VS.FLOW graph.CavitySUN T-10AFiltrationRefer to "Cleanliness of Hydraulic Fluid"Internal Leakage30 cc/min. at 70bar.Response Time10 msStandard Spring RangesA 7 to 210 bar, preset:70bar
B 3.5 to 105 bar, preset:70bar
C 10.5 to 420 bar, preset:70bar
N 4 to 55 bar, preset:28bar
Q 4 to 28 bar, preset:14bar
W 10.5 to 315 bar, preset:70barTemperature-40°F to +250°F(-40°C to +120°C)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body MaterialSteel & Ductile iron rated to 350bar -
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