PC-04 Hydraulic Operated Check Valves (Poppet-type)
Max working Pressure: 250bar
Flow Max: See Performance Chart
Internal Leakage: 3drops/min/250bar
Pilot Ratio: 2.8 : 1
Filtration of Oil: 25μm or better
Temperature: -30℃ ～ +110℃
Cavity: 04-3, see page211
Installation Torque: 20-23Nm
Pressure at ② overcomes the spring-bias poppet and allows free flow to ③. Flow in the opposite direction, from ③ to ②, is blocked by the poppet. When the required pilot pressure is achieved at ①, the poppet unseats and allows flow between ③ and ②. The pilot piston area to poppet seat area ratio is 2.8 to 1.
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