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

  • 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 per Phase
    Cycle LifeTypically >1 million
    Data SheetValve Data Sheet, Driver Data Sheet
    DriverBipolar Chopper Drive required
    Linearity<4% of Full Scale
    Material, BodyCeramic
    Material, WettedCeramic (others depending on porting option)
    Max. FlowAir: 0 to 7 l/min -0/+10%; Water: 0 to 190 ml/min -0/+10% @ 30 psig (2 bar)
    Max. psig30 psig (2 bar)
    MediumLiquids & Gases
    NoteISO 9001
    Operating InstructionsOperating Instructions
    Operating PressureVacuum to 30 psig (2,1 bar)
    Operating Temperature Range32 to 180°F (0 to 82°C)
    Position Resolution0.00006" per step
    Proof Pressure (Overpressure)50 psig (3,4 bar)
    Repeatability<0.5% of Full Travel
    Response Time<2 ms
    Supply Voltage to Motor Driver20 VDC @ 30 psig (2,1 bar)
    Wattage2.5 watts nominal only during adjustment. Zero power consumption to maintain position.