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Parker PRH161T20 - 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. PRH161T20

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	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	-30 °F
Weight	0.34 kg	Maximum Operating Pressure	350 bar
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Tamper Resistant	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Port Thread Size	n/a
Cavity Size	C16-3	Configuration	Pressure Reducing/Relieving
Maximum Inlet Pressure Rating	5500 psi	Flow Rate	40 Gal/min
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-30 to +250 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Maximum Operating Temperature	+93 °C
Standard Setting Pressure	69 bar	Maximum Pressure Setting	2000 psi
Cracking Pressure	N/A psi	Installation Torque	164-170 Nm
Maximum Drain Flow Rate	0.5 Gal/min	Leak Rate	5 per 100 PSI (6.9 BAR) setting cc/min
Maximum Flow Rate	151.4 L/min	Pressure Control Range	13.8-138 bar
Pressure Control Sensitivity	539 per turn psi	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	40 GAL/MIN, 151.4 L/MIN
Pressure Control Range	200-2000 PSI, 13.8-138 BAR

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