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RDH081S50 - 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: 36 days
Partner Available:	107 in stock

SKU RDH081S50

$56.14/each

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Products specifications

Attribute name	Attribute value
UOM	EA	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
Body Material	n/a	Maximum Operating Pressure	5500 psi
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-37 °C
Weight	0.09 kg	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Wire Mesh Screen Included	n/a
Maximum Tank Pressure	5000 psi	Seal Material	D-Ring (Standard)
Maximum Inlet Pressure Rating	380 bar	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 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	Maximum Pressure Setting	350 bar
Pressure Control Range	13.8-350 bar	Reseat Pressure	90% of pressure setting
Leak Rate	5 @ 75% Crack Pressure drops/min

Product resources

Literature and Reference Materials