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Parker PRH121S10V - 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. PRH121S10V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	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	-26 °C	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Screw
Function	Pilot Operated	Maximum Tank Pressure	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	+400 °F
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-26 to +204 °C	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	0.25 Gal/min
Maximum Pressure Setting	69 bar	Standard Setting Pressure	500 psi
Cracking Pressure	N/A psi	Pressure Control Range	6.9-69 bar
Pressure Control Sensitivity	23 per turn bar	Seal Material	Fluorocarbon
Adjustment Mechanism	Screw	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Pressure Control Range	100-1000 PSI, 6.9-69 BAR
Flow Rate	30 GAL/MIN, 113.7 L/MIN

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