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Technical Feature
OPERATION：
Pressure at ① overcomes the spring-bias poppet and allows free flow to ② . Flow in
the opposite direction, from ② to ① ,is blocked by the poppet.
When the required pilot pressure is achieved at ③ ,the poppet is held closed to block
flow between ① and ② .The pilot piston area to poppet seat area ratio is 1.8 to 1.
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PerformanceCurves
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Technical Data
Operating Pressure350barFlowSee PRESSURE DROP VS.FLOW graph.CavitySUN T-2AFiltrationRefer to "Cleanliness of Hydraulic Fluid"Internal Leakage2 drops/min. max. at 350barCrack PressuresA=0.3bar
B=1.0bar
C=2.0bar
D=3.5bar
E=5.0bar
F=7.0bar
J=9.5barPilot Ratio1.8:1Temperature-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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