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RDH042S50 - 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).

Availability:	Backordered Estimated Lead Time: 71 days
Partner Available:	Backordered

SKU RDH042S50

$54.59/each

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Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
Adjustment Mechanism	Screw	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
Seal Material	Nitrile	Weight	0.07 lb
Body Material	n/a	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-34 °C	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Screw
Wire Mesh Screen Included	n/a	Maximum Tank Pressure	350 bar
Cavity Size	C04-2	Maximum Flow Rate	1 Gal/min
Maximum Inlet Pressure Rating	5500 psi	Flow Rate	3.8 L/min
Maximum Operating Temperature	+250 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Mounting Type	Screw in cartridge valve	Maximum Operating Pressure	380 bar
Installation Torque	10 Nm	Maximum Pressure Setting	350 bar
Standard Setting Pressure	2500 psi	Pressure Control Sensitivity	118 per turn bar
Reseat Pressure	80% of pressure setting	Leak Rate	0.66 @ 75% Crack Pressure cm3/min
Pressure Control Range	1500-5000 psi

Product resources

Literature and Reference Materials