Pack up all
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.
Technical Data350barSee PRESSURE DROP VS.FLOW graph.SUN T-2ARefer to "Cleanliness of Hydraulic Fluid"2 drops/min. max. at 350barA=0.3bar
J=9.5bar1.8:1-40ºF to +250ºF(-40ºC to +120ºC)Mineral-based fluids with viscosities of 7.4 to 420 cSt.Steel & Ductile iron rated to 350bar
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