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Parker PRH081K50N - Pilot Operated Pressure Reducing Relieving Valves

Parker’s pilot operated acting reducing & relieving valves are used in applications where specific functions require reduced and regulated pressure. Capable of flows up to 150 lpm (40 gpm) and pressures up to 380 bar (5500 psi).

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Brand Parker

Part No. PRH081K50N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Maximum Operating Pressure	5000 psi	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-34 °C	Maximum Flow Rate	30 L/min
Flow Rate	30 L/min	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Function	Pilot Operated	Maximum Tank Pressure	350 bar
Port Thread Size	n/a	Weight	0.25 lb
Cavity Size	C08-3	Configuration	Pressure Reducing/Relieving
Maximum Inlet Pressure Rating	380 bar	Installation Torque	43-49 Nm
Maximum Operating Temperature	+121 °C	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-34 to +121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Leak Rate	N/A cc/min	Maximum Pressure Setting	350 bar
Pressure Control Sensitivity	131.7 per turn bar	Cracking Pressure	N/A psi
Pressure Control Range	13.8-350 bar	Maximum Drain Flow Rate	0.56 L/min
Standard Setting Pressure	172 bar	Seal Material	Nitrile
Adjustment Mechanism	Knob	Flow Rate	8 GAL/MIN, 30 L/MIN
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
Pressure Control Range	200-5000 PSI, 13.8-350 BAR

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