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Pilot Operated Pressure Reducing Relieving Valves - PRH161S20

Name: Pilot Operated Pressure Reducing Relieving Valves - PRH161S20
SKU: PRH161S20

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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SKU PRH161S20

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Screw
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
Pressure Control Range	200-2000 PSI, 13.8-138 BAR	Flow Rate	40 GAL/MIN, 151.4 L/MIN
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	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
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	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
Mounting Type	Screw in cartridge valve	Maximum Operating Temperature	+93 °C
Standard Setting Pressure	1000 psi	Maximum Pressure Setting	138 bar
Cracking Pressure	N/A psi	Maximum Drain Flow Rate	1.9 L/min
Flow Rate	151.4 L/min	Installation Torque	121-125 lb-ft
Pressure Control Range	13.8-138 bar	Pressure Control Sensitivity	37 per turn bar
Leak Rate	5 per 100 PSI (6.9 BAR) setting cc/min

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