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RAH121T50 - 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).

Manufacturer: Parker

Availability:	Backordered Estimated Lead Time: 71 days
Partner Available:	Backordered

SKU RAH121T50

$130.28/each

Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	500-5000 PSI, 34.5-350 BAR	Flow Rate	50 GAL/MIN, 189.5 L/MIN
Division	Hydraulic Cartridge Systems Division	Division	Hydraulic Systems Division
Operating Temperature	-30 to +250 °F	Flow Rate	50 Gal/min
Actuation Type	Pressure Sensing	Maximum Flow Rate	50 Gal/min
Maximum Operating Pressure	350 bar	Maximum Operating Temperature	+250 °F
Minimum Operating Temperature	-34 °C	Body Material	N/A
Seal Material	Nitrile	Weight	0.48 lb
Mounting Type	Screw in cartridge valve	Operation Type	Automatic
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Configuration	Pressure Relief
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Function	Pilot Operated
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Leak Rate	82 @ 75% Crack Pressure cm3/min
Cavity Size	C12-2	Valve Material	All parts steel. All operating parts hardened steel
Installation Torque	92-96 lb-ft	Maximum Inlet Pressure Rating	5500 psi
Adjustment Mechanism	Tamper Resistant	Maximum Pressure Setting	5000 psi
Reseat Pressure	80% of pressure setting	Maximum Tank Pressure	5000 psi
Pressure Control Range	34.5-350 bar	Standard Setting Pressure	172.4 bar
Pressure Control Sensitivity	118 per turn bar

Product resources

Literature and Reference Materials