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Technical Feature
OPERATION:
When pressure at ③ rises above the spring bias pressure, the check seat is pushed away from the piston and flow is allowed from ③ to ② . When load pressure at ② rises above the pressure setting, the direct-acting, differential area relief function is activated and flow is relieved from ② to ③ . With pilot pressure at ①, the pressure setting is reduced in proportion to the stated ratio of the valve, until fully open with free-flow from ② to ③. The spring chamber is drained to ③, and any back-pressure at ③ is additive to the pressure setting in all functions.
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PerformanceCurves
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Technical Data
FlowSee PRESSURE DROP VS.FLOW graph.Cavity10-3FiltrationRefer to "Cleanliness of Hydraulic Fluid"Max.Operating Pressure350BarSetting In BarFactory pressure setting established at 5 l/min.
工厂的设定是指当溢流阀开启时(流量为5 l/min.)的压力Pilot Ratio4.1:1Temperature-40°F to +250°F(-40°C to +120°C)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body MaterialSteel & Ductile iron rated to 350bar -
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