Cartridge valve
Pressure Valves
- Relief Valves
- Relief Valves Reducing Valves Sequence Valves Pilot Unloading Valves
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Technical Feature
OPERATION:
The valves are normally closed, pressure-limiting valves used to protect hydraulics
components from pressure transients. Fast opening and closing is gained at the
expense of smoothness. 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. These valves have low pressure rise vs. flow and are very 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
FlowSee PRESSURE DROP VS.FLOW graph.CavitySUN T-3AFiltrationRefer to "Cleanliness of Hydraulic Fluid"Max.Operating Pressure350barMax.Flow200 L/min.Internal Leakage50 cc/min. at 70 barResponse Time2 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
D 1.7 to 55 bar, preset:28bar
E 1.7 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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