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Parker PRH081S50V - 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. PRH081S50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Division	Hydraulic Cartridge Systems Division	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-26 °C
Maximum Operating Pressure	350 bar	Flow Rate	30 L/min
Maximum Flow Rate	8 Gal/min	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Screw
Function	Pilot Operated	Maximum Tank Pressure	5000 psi
Maximum Pressure Setting	5000 psi	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	+204 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-15 to +400 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Leak Rate	N/A cc/min
Standard Setting Pressure	2500 psi	Pressure Control Sensitivity	1910 per turn psi
Cracking Pressure	N/A psi	Pressure Control Range	13.8-350 bar
Maximum Drain Flow Rate	0.15 Gal/min	Seal Material	Fluorocarbon
Adjustment Mechanism	Screw	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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