The Cla-Val Pacific Model CDHS-34 Electronic Actuated Differential Pressure Pilot Control provides remote set-point adjustment and accurate differential pressure control for rate of flow control on 340 Series Control Valves. Remote set-point command signals can be from any SCADA-type control system using analog 4-20 mA signal, by contact closure for cc/ccw rotation or through Modbus RTU. A precision orifice plate installed with valve creates differential pressure used for rate of flow control by the CDHS-34. Operating on 12 to 24 VDC and consuming very little power, it is an ideal control system for remote valve sites that may even be solar powered.
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