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Picture of Pilot Operated Relief Valves - RAH121T50

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Pilot Operated Relief Valves - RAH121T50

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: Backordered
SKU: RAH121T50
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 bar
Seal MaterialNitrileDivisionHydraulic Systems Division
DivisionHydraulic Cartridge Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Flow Rate50 Gal/minFlow Rate50 Gal/min
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
ConfigurationPressure ReliefOperation TypeAutomatic
Adjustment MechanismTamper ResistantFunctionPilot Operated
Maximum Tank Pressure5000 psiMaximum Pressure Setting5000 psi
Cavity SizeC12-2Maximum Inlet Pressure Rating5500 psi
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Operating Temperature+250 °F
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Installation Torque92-96 lb-ftWeight0.48 lb
Standard Setting Pressure172.4 barPressure Control Range34.5-350 bar
Pressure Control Sensitivity118 per turn barLeak Rate82 @ 75% Crack Pressure cm3/min
Reseat Pressure80% of pressure setting
Seal MaterialNitrileAdjustment MechanismTamper Resistant
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate50 GAL/MIN, 189.5 L/MIN
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