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Parker RAH121S50V - 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:	Quote Required

Brand Parker

Part No. RAH121S50V

$145.25/each

Products specifications

Attribute name	Attribute value
UOM	EA	Maximum Flow Rate	189.5 L/min
Operating Temperature	-15 to +400 °F	Division	Hydraulic Systems Division
Operation Type	Automatic	Body Material	N/A
Minimum Operating Temperature	-15 °F	Flow Rate	189.5 L/min
Installation Torque	124-130 Nm	Reseat Pressure	80% of pressure setting
Actuation Type	Pressure Sensing	Seal Material	Fluorocarbon
Maximum Operating Pressure	350 bar	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Adjustment Mechanism	Screw	Valve Material	All parts steel. All operating parts hardened steel
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Weight	0.48 lb
Function	Pilot Operated	Maximum Inlet Pressure Rating	380 bar
Maximum Pressure Setting	350 bar	Maximum Tank Pressure	5000 psi
Division	Hydraulic Cartridge Systems Division	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Pressure Control Range	34.5-350 bar	Pressure Control Sensitivity	1711 per turn psi
Configuration	Pressure Relief	Cavity Size	C12-2
Maximum Operating Temperature	+204 °C	Mounting Type	Screw in cartridge valve
Standard Setting Pressure	2500 psi	Leak Rate	82 @ 75% Crack Pressure cm3/min
Seal Material	Fluorocarbon	Adjustment Mechanism	Screw
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

Product resources

Literature and Reference Materials