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Parker RDH081K50 - 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).

AFP Availability:	Quote Required
Partner Available:	Quote Required

Brand Parker

Part No. RDH081K50

$61.75/each

Products specifications

Attribute name	Attribute value
UOM	EA	Operation Type	Automatic
Maximum Flow Rate	0.5 Gal/min	Operating Temperature	-35 to +200 °F
Body Material	N/A	Mounting Type	Screw in cartridge valve
Minimum Operating Temperature	-35 °F	Installation Torque	32-36 lb-ft
Division	Hydraulic Systems Division	Reseat Pressure	90% of pressure setting
Flow Rate	1.9 L/min	Actuation Type	Pressure Sensing
Wire Mesh Screen Included	N/A	Maximum Operating Pressure	380 bar
Seal Material	D-Ring (Standard)	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Valve Material	All parts steel. All operating parts hardened steel	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	0.2 lb	Adjustment Mechanism	Knob
Maximum Pressure Setting	5000 psi	Maximum Inlet Pressure Rating	380 bar
Function	Direct Acting	Pressure Control Sensitivity	1910 per turn psi
Configuration	Pressure Relief	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Maximum Tank Pressure	5000 psi	Cavity Size	C08-2
Pressure Control Range	13.8-350 bar	Maximum Operating Temperature	+200 °F
Standard Setting Pressure	172.4 bar	Leak Rate	0.33 @ 75% Crack Pressure cm3/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

Product resources

Literature and Reference Materials