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Parker PRH161S50V - 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. PRH161S50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	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	-26 °C	Maximum Flow Rate	40 Gal/min
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Port Thread Size	n/a
Cavity Size	C16-3	Weight	0.75 lb
Configuration	Pressure Reducing/Relieving	Maximum Inlet Pressure Rating	5500 psi
Flow Rate	40 Gal/min	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	Maximum Pressure Setting	350 bar
Standard Setting Pressure	2500 psi	Pressure Control Sensitivity	131.7 per turn bar
Cracking Pressure	N/A psi	Pressure Control Range	34.5-350 bar
Maximum Drain Flow Rate	0.5 Gal/min	Leak Rate	5 per 100 PSI (6.9 BAR) setting cc/min
Installation Torque	121-125 lb-ft	Seal Material	Fluorocarbon
Adjustment Mechanism	Screw	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	40 GAL/MIN, 151.4 L/MIN
Pressure Control Range	500-5000 PSI, 34.5-350 BAR

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