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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).

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Brand Parker

Part No. RAH121S50V

$142.50

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Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Fluorocarbon
Body Material	n/a	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-15 °F	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	380 bar
Maximum Operating Temperature	+204 °C	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-15 to +400 °F
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Weight	0.48 lb	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
Flow Rate	189.5 L/min	Leak Rate	82 @ 75% Crack Pressure cm3/min
Maximum Flow Rate	189.5 L/min	Installation Torque	124-130 Nm
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

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