Cartridge valve
Flow Valves
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LPFR-10
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A cartridge-style adjustable pressure-compensated flow control valve
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Technical Feature
OPERATION:
The valve maintains a constant flow rate from ③ regardless of load pressure changes in the system downstream of ③，or in the bypass leg at ②．The valve will pressure-compensate once a minimum pressure drop (determined by spring adjustment setting) is achieved from ① to ③ . This value will range from approximately 4.8 to 13.8 bar (70 to 200 psi). Bypass port ② may be fully pressurized.
The cartridge may be adjusted to ±25% of nominal setting. At nominal setting, pressure drop is approximately 9 bar (130 psi).
Flow out of priority port ③ may vary based on input flow amount, particularly with lower temperatures and increased fluid viscosities.
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PerformanceCurves
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Technical Data
Operating Pressure207BarFlowSee PRESSURE DROP VS.FLOW graph.Cavity10-3FiltrationRefer to "Cleanliness of Hydraulic Fluid"Flow Settinglow range: 1.9 to 9.5 lpm (0.5 to 2.5 gpm)
Specify in 1.9 lpm (0.5 gpm) increments
high range: 11.4 to 22.7 lpm (3.0 to 6.0 gpm)
Specify in 3.8 lpm(1gpm) incrementsTemperature-40°F to +250°F(-40°C to +120°C)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body Material6061-T6 aluminum alloy rated to 207bar, Steel & Ductile iron rated to 350bar -
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