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Parker PRH121T50 - 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. PRH121T50

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Maximum Operating Pressure	5000 psi	Division	Hydraulic Valve Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-30 °F	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Tamper Resistant
Function	Pilot Operated	Maximum Tank Pressure	5000 psi
Maximum Pressure Setting	5000 psi	Port Thread Size	n/a
Weight	0.6 lb	Cavity Size	C12-3
Maximum Flow Rate	30 Gal/min	Configuration	Pressure Reducing/Relieving
Maximum Inlet Pressure Rating	380 bar	Installation Torque	56 lb-ft
Maximum Operating Temperature	+250 °F	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
Flow Rate	30 Gal/min	Leak Rate	N/A cc/min
Maximum Drain Flow Rate	0.94 L/min	Standard Setting Pressure	2500 psi
Cracking Pressure	N/A psi	Pressure Control Range	500-5000 psi
Pressure Control Sensitivity	1711 per turn psi	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	30 GAL/MIN, 113.7 L/MIN
Pressure Control Range	500-5000 PSI, 34.5-350 BAR

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