Eclipse Proportional Isolation Valve
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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Primary Eclipse Benefits:
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Leak free (<0.05 sccm)
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Excellent linearity (<4% of full-scale)
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Fast response (<2 ms reaction time)
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Cycle life of typically >1 million
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Repeatability <0.5% of full travel
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U.S. Patent No. 10,738,904
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Medium |
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Liquids and gases |
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Typical Cycle Time for Full Travel |
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1.1 seconds at 1,000 steps per second |
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Wetted Material |
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Ceramic (others depending on porting option) |
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Pressure Range |
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Vac to 30 psig (highly modifiable) |
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Proof Pressure (Overpressure) |
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50 psig |
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Flow Range |
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Air: 0 to 7 l/min -0/+10% (0.247 scfm) @ 30 psig
Water: 0 to 190 ml/min -0/+10% (0.0067 scfm) @ 30 psig |
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Flow Resolution |
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0.19 ml/min water and 0.007 l/min air max @ 30 psig per full step depending on pressure |
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Position Resolution |
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0.00006" |
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Ambient/Environment |
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32 to 180˚F |
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Driver |
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Bipolar chopper drive required |
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Supply Voltage to Motor Driver |
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20 VDC @ 30 psig
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Current/Phase |
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0.49 amps |
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Mounting |
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Manifold or flat bottom (ZDVF) |
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Power Consumption |
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2.5 watts nominal only during adjustment, zero power consumption to maintain position |
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Seals |
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Valve: None
Port: FKM standard, EPDM and others upon request
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