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Picture of Parker E2B040ZNMK3 - Standard Pilot Assisted Load Control Valves

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Parker E2B040ZNMK3 - 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. E2B040ZNMK3
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileActuation TypePilot Operated
Port Sizen/aBody Materialn/a
DivisionHydraulic Cartridge Systems DivisionPilot LocationExternal
Minimum Operating Temperature-30 °FInstallation Torque40 lb-ft
Maximum Operating Pressure350 barDivisionMobile Hydraulic Systems Division Europe
Adjustment MechanismScrewMaximum Inlet Pressure Rating5000 psi
Port Thread Sizen/aWeight0.27 kg
FunctionCounterbalance ValveMaximum Kinematic ViscosityMineral-based or synthetic with lubricating properties at viscosities of 45-2000 SSU (6 to 420 cSt) cSt
Mounting TypeThreaded Cartridge ValvePilot Pressure Ratio3:1
Flow Rate60 L/minMaximum Flow Rate15.9 gal/min
Cavity Size68-1Maximum Operating Temperature+121 °C
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Leak Rate6 @ 1450 PSI (100 BAR) drops/minFlow DirectionCylinder port 1, Valve port 2, Pilot port 3
Pressure Control Sensitivity1435 per turn psiHolding Pressure215 bar
Pressure Control Range50-350 barSeal MaterialNitrile
Port Sizen/aAdjustment MechanismScrew
Mounting TypeThreaded Cartridge ValvePilot Pressure Ratio3:1
Holding Pressure3120 PSI, 215 BARMaximum Flow Rate15.9 GAL/MIN, 60 L/MIN
Pressure Control Range725-5000 PSI, 50-350 BAR
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