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On no remote pilot signal at ① ,the valve allows flow from ③ to ④ , while flow is
blocked at ② .
On remote pilot signal at ①， the valve shifts to open from ③ to ②，while blocking
flow at ④．
Since ④ is common to the spring chamber, pressure on ④ will directly (1:1) affect the
pilot pressure required, and must always be added to the bias spring value.
Technical Data250BarSee PRESSURE DROP VS.FLOW graph.10-4Refer to "Cleanliness of Hydraulic Fluid"82 cc/min. max. at 250 barTo Spool Crossover -4.1 bar (60psi) Spring:4.7 bar(68.2psi)
-7.6 bar(110psi) Spring: 7.6 bar(110psi)
To Full Spool Shift -4.1 bar (60psi) Spring: 5.2 bar (75psi)
-7.6 bar(110psi) Spring: 8.6 bar(125psi)-40°F to +250°F(-40°C to +120°C)Mineral-based fluids with viscosities of 7.4 to 420 cSt.6061-T6 aluminum alloy rated to 207bar, Steel & Ductile iron rated to 350bar
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