Parker MHB-030-LBAH-52E - Standard Pilot Assisted Load Control Valves

Parker’s piloted load control valves are designed to operate independent of downstream pressure to prevent runaway loads under dynamic conditions using a pilot signal, handling pressures up to 420 bar (6000 psi) and flows up to 350 lpm (90 gpm).
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Brand Parker
Part No. MHB-030-LBAH-52E
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileActuation TypePilot Operated
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Pilot LocationExternalMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-30 °FBody MaterialAluminum
Maximum Operating Pressure210 barWeight2.5 lb
Cavity Sizen/aAdjustment MechanismTamper Resistant
FunctionCounterbalance ValvePilot Pressure Ratio3:1
Holding Pressure210 barMaximum Inlet Pressure Rating210 bar
Maximum Operating Temperature+250 °FFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Flow Rate30 Gal/min
Installation TorqueN/A NmMounting TypeSingle Inline
Flow DirectionCylinder port C, Valve port V, Pilot port PLeak Rate5 @ 80% of setting drops/min
Port SizeSAE-8Pressure Control Range105-210 bar
Pressure Control SensitivityN/A psiMaximum Flow Rate112.5 L/min
Seal MaterialNitrileAdjustment MechanismTamper Resistant
Holding Pressure3000 PSI, 210 BARPilot Pressure Ratio3:1
Port SizeSAE-8Mounting TypeSingle Inline
Pressure Control Range1500-3000 PSI, 105-210 BARMaximum Flow Rate30 GAL/MIN, 112.5 L/MIN
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