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Direct Acting Relief Valves - RDH081S50

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
Partner Available:	143 in stock

SKU: RDH081S50

$46.00

Products specifications

Attribute name	Attribute value
Weight	0.09 kg	Maximum Pressure Setting	350 bar
Body Material	n/a	Maximum Operating Pressure	5500 psi
Minimum Operating Temperature	-37 °C	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Division	Hydraulic Systems Division	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Maximum Tank Pressure	5000 psi
Wire Mesh Screen Included	n/a	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	-37 to +93 °C
Maximum Operating Temperature	+93 °C	Installation Torque	32-36 lb-ft
Flow Rate	1.9 L/min	Maximum Flow Rate	1.9 L/min
Standard Setting Pressure	172.4 bar	Pressure Control Sensitivity	1910 per turn psi
Pressure Control Range	13.8-350 bar	Reseat Pressure	90% of pressure setting
Leak Rate	5 @ 75% Crack Pressure drops/min
Adjustment Mechanism	Screw	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

Product resources

Literature and Reference Materials