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Technical Feature
OPERATION:
The valve is a direct-acting, dual cross-over relief valve in a single cartridge format. When
pressure at either port exceeds the nominal setting value, flow will be transmitted to the
opposite port. Back pressure at either port will affect the nominal setting of the opposite
port on a 1 :1 basis.
For correlation purposes, pre-set value will be measured at port ② .Pressure at port ① will
not exceed ±150 psi from the port ② value. -
PerformanceCurves
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Technical Data
Operating Pressure207BarFlowSee PRESSURE DROP VS.FLOW graph.Cavity10-2FiltrationRefer to "Cleanliness of Hydraulic Fluid"Internal Leakagewhen reseat to 80% of cracking Pressure: 33 ml/min.Crack Pressures(crack pressure at 0.95 lpm /0.25 gpm)Reseat Pressure80% of crack pressureMaximum Difference for Crack Pressure in Both Directions10.5 bar (150 psi)Standard Spring Rangespressure is set at port② , 14 to 168 bar; 100 to 210 bar;Temperature-40°F to +250°F(-40°C to +120°C)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body Material6061-T6 aluminum alloy rated to 207bar, Steel & Ductile iron rated to 350bar -
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