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Parker PRH161F20 - 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. PRH161F20

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Minimum Operating Temperature	-30	Maximum Operating Pressure	5000
Division	Hydraulic Valve Systems Division	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Maximum Flow Rate	40
Weight	0.75	Flow Rate	40
Actuation Type	Pressure Sensing	Operation Type	Automatic
Function	Pilot Operated	Maximum Tank Pressure	5000
Pressure Control Sensitivity	n/a	Port Thread Size	n/a
Cracking Pressure	n/a	Cavity Size	C16-3
Configuration	Pressure Reducing/Relieving	Adjustment Mechanism	Fixed
Maximum Inlet Pressure Rating	5500	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Operating Temperature	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Standard Setting Pressure	1000
Maximum Pressure Setting	2000	Installation Torque	121-125
Pressure Control Range	200-2000	Maximum Drain Flow Rate	0.5
Leak Rate	5 per 100 PSI (6.9 BAR) setting	Seal Material	Nitrile
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
Adjustment Mechanism	Fixed	Flow Rate	40 GAL/MIN, 151.4 L/MIN
Pressure Control Range	200-2000 PSI, 13.8-138 BAR

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