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CDHS-34 Electronic Actuated Rate-of-Flow Pilot Control

(CDHS-34)

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. 

Product Advantages

  • Simplified Remote Valve Set-Point Control
  • 12-24VDC Input Power
  • Isolated Input
  • Reverse Polarity Protection
  • Reliable Hydraulic Operation
  • IP-68 Submersible
Typical Application
The CDHS-34 Is installed on Cla-Val Pacific 340 Series valves to maintain flow rate and allow the flow rate to be changed from a remote location. It is also an effective solution for lowering costs associated with "confined space" requirements by eliminating the need for entry in valve structure for set-point adjustment. Additional pilot controls, hydraulic and/or electronic, are also available to perform multiple functions to fit exact system requirements.