Eclipse Proportional Isolation Valves

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A proportional isolation valve like no other...

Utilizing the industry's most robust and powerful miniature linear actuator, the patented stepper-controlled Eclipse proportional isolation valve leads the industry in performance and durability. This valve is ideal in critical applications for liquid and gas delivery, medical, analytical and industrial automation requiring ultra fine resolution and excellent repeatability. In addition, the unique design allows for custom flow profiles.

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  • Leak free (<0.05 sccm)
  • Excellent linearity (<4% of full-scale)
  • Fast response (<2 ms reaction time)
  • Cycle life of typically >1 million
  • Repeatability <0.5% of full travel
  • U.S. Patent No. 10,738,904

    Eclipse Proportional Isolation Valve Typical Flow Curves for Air and Water

  • 2D File2D File
    Accessories#10-32 Manifold: EUM-01, M5x0.8 Manifold: M-EUM-01, Bipolar Chopper Driver: SCPVD-1, Zero Dead Volume Fitting: ZDVF-18
    Current/Phase0.49 amps
    Cycle LifeTypically >1 million
    Data SheetData Sheet
    DriverBipolar Chopper Drive required
    Linearity<4% of Full Scale
    Material, WettedCeramic (others depending on porting option)
    MediumLiquids & Gases
    NoteISO 9001
    Operating InstructionsOperating Instructions
    Operating PressureVacuum to 30 psig
    Operating Temperature Range32 to 180°F (0 to 82°C)
    Position Resolution0.00006" per step
    Proof Pressure (Overpressure)50 psig
    Repeatability<0.5% of Full Travel
    Response Time<2 ms
    Supply Voltage to Motor Driver20 VDC @ 30 psig
    Wattage2.5 watts nominal only during adjustment. Zero power consumption to maintain position.