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Parker PRH121F20 - 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. PRH121F20

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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)	Flow Rate	30
Maximum Flow Rate	30	Actuation Type	Pressure Sensing
Operation Type	Automatic	Function	Pilot Operated
Leak Rate	n/a	Maximum Tank Pressure	5000
Pressure Control Sensitivity	n/a	Port Thread Size	n/a
Cracking Pressure	n/a	Weight	0.6
Cavity Size	C12-3	Configuration	Pressure Reducing/Relieving
Adjustment Mechanism	Fixed	Maximum Inlet Pressure Rating	5500
Installation Torque	56	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 Drain Flow Rate	0.25	Maximum Pressure Setting	2000
Pressure Control Range	200-2000	Seal Material	Nitrile
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
Adjustment Mechanism	Fixed	Flow Rate	30 GAL/MIN, 113.7 L/MIN
Pressure Control Range	200-2000 PSI, 13.8-138 BAR

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