Standard Pilot Vented Load Control Valves - MHB-030-WABC-52E

Parker’s vented load control valves are designed to operate independent of downstream pressure to prevent runaway loads under all dynamic conditions, handling pressures up to 350 bar (5000 psi) and flows up to 113 lpm (30 gpm).
Availability: Backordered
SKU: MHB-030-WABC-52E
POR
Products specifications
Attribute nameAttribute value
Maximum Operating Pressure3000 psiSeal MaterialNitrile
DivisionHydraulic Systems DivisionDivisionHydraulic Cartridge Systems Division
Pilot LocationExternalMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Body MaterialAluminumMinimum Operating Temperature-34 °C
Weight1.13 kgAdjustment MechanismTamper Resistant
Maximum Flow Rate30 Gal/minFunctionCounterbalance Valve
Cavity Sizen/aFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Maximum Inlet Pressure Rating210 barInstallation TorqueN/A lb-ft
Actuation TypePilot Operated, VentedFlow Rate112.5 L/min
Leak Rate5 @ 80% of setting drops/minPort SizeSAE-8
Mounting TypeSingle GasketFlow DirectionCylinder port C, Valve port V, Pilot port P
Holding Pressure500 psiPilot Pressure Ratio1:1
Pressure Control Range250-500 psiPressure Control SensitivityN/A bar
Seal MaterialNitrileAdjustment MechanismTamper Resistant
Port SizeSAE-8Mounting TypeSingle Gasket
Holding Pressure500 PSI, 34.5 BARMaximum Flow Rate30 GAL/MIN, 112.5 L/MIN
Pilot Pressure Ratio1:1Pressure Control Range250-500 PSI, 17.2-34.5 BAR
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