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Technical Feature
OPERATION:
The valve blocks flow from ② to ① flow path until an operator pulls the shaft outward.
Note: Pressure at port ① will directly act on the spool and spring. Port ① is intended to be a tank port only. The bias spring allows for up to 12.4 bar (180 psi) backpressure at ① before the valve will open. A unique 90° rotational lock is optional for positive “open” position holding.
The valve resets to spring return-to-close with a 90° turn from the locked-open position. -
PerformanceCurves
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Technical Data
Operating Pressure207BarFlowSee PRESSURE DROP VS.FLOW graph.Cavity10-2FiltrationRefer to "Cleanliness of Hydraulic Fluid"Internal Leakage5 drops/min Max at 207bar.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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