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Parker RAH081S50 - Pilot Operated Relief Valves

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).

AFP Availability:	Quote Required
Partner Available:	86 In Stock

Brand Parker

Part No. RAH081S50

$91.84/each

Products specifications

Attribute name	Attribute value
UOM	EA	Pressure Control Sensitivity	131.7 per turn bar
Function	Pilot Operated	Maximum Tank Pressure	350 bar
Configuration	Pressure Relief	Division	Hydraulic Cartridge Systems Division
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Pressure Control Range	13.8-350 bar
Cavity Size	C08-2	Maximum Operating Temperature	+200 °F
Standard Setting Pressure	172.4 bar	Mounting Type	Screw in cartridge valve
Maximum Flow Rate	20 Gal/min	Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min
Operation Type	Automatic	Body Material	N/A
Minimum Operating Temperature	-37 °C	Installation Torque	32-36 lb-ft
Operating Temperature	-35 to +200 °F	Division	Hydraulic Systems Division
Flow Rate	75.8 L/min	Reseat Pressure	90% of pressure setting
Maximum Operating Pressure	5000 psi	Actuation Type	Pressure Sensing
Seal Material	D-Ring (Standard)	Weight	0.09 kg
Maximum Inlet Pressure Rating	5000 psi	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Adjustment Mechanism	Screw
Valve Material	All parts steel. All operating parts hardened steel	Maximum Pressure Setting	350 bar
Adjustment Mechanism	Screw	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Seal Material	D-Ring (Standard)	Pressure Control Range	200-5000 PSI, 13.8-350 BAR
Flow Rate	20 GAL/MIN, 75.8 L/MIN

Product resources

Literature and Reference Materials