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Parker PRH121K10 - 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. PRH121K10

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Products specifications

Attribute name	Attribute value
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	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Function	Pilot Operated	Maximum Tank Pressure	5000 psi
Port Thread Size	n/a	Weight	0.6 lb
Cavity Size	C12-3	Configuration	Pressure Reducing/Relieving
Maximum Inlet Pressure Rating	380 bar	Installation Torque	56 lb-ft
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	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Maximum Operating Temperature	+93 °C
Leak Rate	N/A cc/min	Maximum Drain Flow Rate	0.94 L/min
Maximum Pressure Setting	69 bar	Standard Setting Pressure	500 psi
Cracking Pressure	N/A psi	Pressure Control Range	6.9-69 bar
Flow Rate	113.7 L/min	Maximum Flow Rate	113.7 L/min
Pressure Control Sensitivity	334 per turn psi	Seal Material	Nitrile
Adjustment Mechanism	Knob	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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