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Pilot Operated Relief Valves - RAH081K50

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).

Availability:	Backordered
Partner Available:	Backordered

SKU: RAH081K50

$88.00

Products specifications

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

Product resources

Literature and Reference Materials