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Parker RDH042F50 - 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. RDH042F50

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Minimum Operating Temperature	-30	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Weight	0.07
Maximum Operating Pressure	5500	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Wire Mesh Screen Included	n/a
Maximum Tank Pressure	5000	Maximum Pressure Setting	5000
Pressure Control Sensitivity	n/a	Cavity Size	C04-2
Maximum Flow Rate	1	Adjustment Mechanism	Fixed
Maximum Inlet Pressure Rating	5500	Flow Rate	1
Installation Torque	7	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
Operating Temperature	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Standard Setting Pressure	2500
Reseat Pressure	80% of pressure setting	Leak Rate	10 @ 75% Crack Pressure
Pressure Control Range	1500-5000	Seal Material	Nitrile
Adjustment Mechanism	Fixed	Flow Rate	1 GAL/MIN, 3.8 L/MIN
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Pressure Control Range	1500-5000 PSI, 103-350 BAR

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