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Parker PRH081T20 - 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. PRH081T20

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-35	Body Material	n/a
Maximum Operating Pressure	5000	Division	Hydraulic Valve Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	0.25	Maximum Flow Rate	8
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Tamper Resistant	Function	Pilot Operated
Flow Rate	8	Leak Rate	n/a
Maximum Tank Pressure	5000	Port Thread Size	n/a
Cracking Pressure	n/a	Seal Material	D-Ring (Standard)
Cavity Size	C08-3	Configuration	Pressure Reducing/Relieving
Maximum Inlet Pressure Rating	5500	Maximum Operating Temperature	+200
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	Mounting Type	Screw in cartridge valve
Operating Temperature	-35 to +200	Installation Torque	32-36
Standard Setting Pressure	1000	Maximum Pressure Setting	2000
Pressure Control Range	100-2000	Maximum Drain Flow Rate	0.15
Pressure Control Sensitivity	570 per turn	Adjustment Mechanism	Tamper Resistant
Flow Rate	8 GAL/MIN, 30 L/MIN	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Seal Material	D-Ring (Standard)
Pressure Control Range	100-2000 PSI, 6.9-138 BAR

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