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Pilot Operated Relief Valves - RAH121S50

Name: Pilot Operated Relief Valves - RAH121S50
SKU: RAH121S50
Availability: InStock

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: 1 in stock

SKU: RAH121S50

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Products specifications

Attribute name	Attribute value
Body Material	N/A	Maximum Operating Pressure	350 bar
Maximum Pressure Setting	350 bar	Seal Material	Nitrile
Division	Hydraulic Systems Division	Division	Hydraulic Cartridge Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Weight	0.22 kg
Flow Rate	50 Gal/min	Minimum Operating Temperature	-34 °C
Actuation Type	Pressure Sensing	Configuration	Pressure Relief
Operation Type	Automatic	Adjustment Mechanism	Screw
Function	Pilot Operated	Maximum Tank Pressure	5000 psi
Cavity Size	C12-2	Maximum Inlet Pressure Rating	5500 psi
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Maximum Operating Temperature	+121 °C
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
Standard Setting Pressure	2500 psi	Pressure Control Range	34.5-350 bar
Pressure Control Sensitivity	1711 per turn psi	Leak Rate	82 @ 75% Crack Pressure cm3/min
Reseat Pressure	80% of pressure setting	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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