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Parker RAH121S50 - 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).

Availability:	Quote Required
Partner Available:	1 Limited Stock

Brand Parker

Part No. RAH121S50

$98.25

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Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
Body Material	n/a	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Flow Rate	50 Gal/min	Minimum Operating Temperature	-34 °C
Maximum Operating Pressure	350 bar	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Cavity Size	C12-2
Maximum Inlet Pressure Rating	5500 psi	Maximum Operating Temperature	+121 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Weight	0.22 kg
Maximum Pressure Setting	350 bar	Standard Setting Pressure	2500 psi
Pressure Control Range	34.5-350 bar	Pressure Control Sensitivity	1711 per turn psi
Reseat Pressure	80% of pressure setting	Leak Rate	82 @ 75% Crack Pressure cm3/min
Maximum Flow Rate	189.5 L/min	Installation Torque	124-130 Nm
Seal Material	Nitrile	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

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