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Parker RDH101K50 - Direct Acting Relief Valves

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).

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Brand Parker

Part No. RDH101K50

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Products specifications

Attribute name	Attribute value
Body Material	n/a	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-37 °C
Weight	0.4 lb	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Wire Mesh Screen Included	n/a	Cavity Size	C10-2
Maximum Tank Pressure	5000 psi	Maximum Pressure Setting	5000 psi
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	380 bar
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 °F	Maximum Operating Temperature	+93 °C
Installation Torque	50-56 Nm	Maximum Operating Pressure	380 bar
Flow Rate	1.9 L/min	Maximum Flow Rate	1.9 L/min
Standard Setting Pressure	2500 psi	Pressure Control Sensitivity	131.7 per turn bar
Pressure Control Range	13.8-350 bar	Reseat Pressure	90% of pressure setting
Leak Rate	5 @ 75% Crack Pressure drops/min	Adjustment Mechanism	Knob
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	200-5000 PSI, 13.8-350 BAR	Flow Rate	0.5 GAL/MIN, 1.9 L/MIN

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