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ESO-3W-12

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ESO-3W-12

The ES series features large cross sectional o-rings, minimal leak points, and proven poppet designs. All mounting hardware is outside of the flow path for the ES, and no internal parts are threaded during assembly to reduce the possibility of contamination. The ES has the best performance-to-price ratio for low leak valves.
Estimated to ship within 1 to 2 business days
Quantities and lead times are changing daily due to supply chain challenges. We appreciate your patience and understanding.
Contact your local Clippard Distributor for volume discounts.

  • Over 1 billion cycles (under ideal conditions)
  • 0.01 atm sccm leak rate
  • No threads in flow path
  • Fast response - 5 to 10 ms (nominal)
  • Close mounting - 7/8” on center, overall height less than 1”
  • Ideal for ultra-low leak applications

    Clippard ES Series Valve Flow Chart

    Cutaway Diagram of Clippard ES Series Valve

    • 2D FileFile
    AccessoriesWire Lead Connector, 18" (457 mm) C3-RXB18, Cover for Unused Manifold Station ESM-CP
    Coil Resistance144 Ω
    ConnectionWire Leads, Side (Radial), 18"
    Current0.083 Amp
    CycleOver 1 Billion
    Data SheetData Sheet
    Filtration40 micron (recommended)
    Function3-Way Universally-Ported
    Leak Rate0.01 sccm
    Length1.996
    ManifoldsManifolds, Cover Plate
    Material, BodyENP Carbon Steel, Nickel Iron Alloy, 300 Series Stainless Steel, Glass-Filled Nylon Housing
    Material, SealsNitrile
    Material, SpringNickel Alloy
    Max. psig105 psig (7 bar)
    MediumClean, Dry Air and Compatible Gases
    MountManifold Mount
    Number of Ports3
    Operating Pressure28" Hg Vac. to 105 psig
    Operating Temperature Range32 to 150°F (0 to 66°C)
    Orifice0.025" (105 psig max)
    Port, Exhaust#10-32 or M5
    Port, InletNo Thread
    Port, OutletNo Thread
    Product Line BrochureSpider Valves
    Response Time5 to 10 ms (nominal)
    SealsNitrile
    Thread#4-40 or M3 (torque to 1-3 in-lb.)
    Voltage12 VDC
    Voltage Operating Range90 to 120% of Rated Voltage
    Wattage1 Watt at Rated Voltage
    Weight (lbs.)0.0850
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