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Model EVA-1 Electronic Valve Actuator
Brand: Research Control ValveThe Model EVA-1 is a small, electronically controlled valve actuator developed specifically to fit 1/4" to 1" Research Control Valves.
Its accurate positioning and compact size make it especially suited to flow control in research and small process applications.
Features- Microprocessor-controlled, linear stepper motor
- 4…20 mA analog input
- Position 4…20 mA analog output (optional)
- Choice of 12 speeds
- Up to 40 pounds of stem thrust
- Accurate and repeatable positioning
- Adjustable split range
- Quick and simple zero and span input and output adjustments
- Adjustable stroke range 0.1875…0.5625 in. (4…14 mm)
- User adjustable direct or reverse action
- RS-232 Serial Port for all adjustments without removing the cover
- Controlled seating force to prevent inner valve damage
- Built-in temperature compensation
- Stainless steel yoke and rugged epoxy coated aluminum housing
- 115 Vac/12 Vdc, 230 Vac/12 Vdc, and 24 Vdc models available
Specifications
Brand
Industries
- Chemical, Refining & Petrochemical
- Oil & Gas
Environmental Protection
- NEMA 4
Agency Approvals
- CSA
- FM
Enclosure, Body Material
- Aluminum Housing
Material of Construction
- Yoke: Stainless Steel
Operating Temperature
- 14° to 140° F (-10° to 60° C)