Datasheet | September 12, 2013

4-20DC Pilot Actuator Datasheet

Source: Mueller Water Products

The 420-DC or 420-AC provide a reliable, simple and cost efficient way to automate today’s water systems. A sturdy slow speed 24 VDC motor actuator drive can be installed on a variety of Singer pilots. The motor actuator responds to a 4-20 mA signal, rotating the pilot adjusting screw corresponding to the change in signal. The number of turns is adjustable and may be programmed to suit the pressure changes required for the application. The 420-DC or 420-AC requires less than 2 amps of power to operate, controlled by the 4-20 mA signal from the water distribution SCADA system. The very low power requirement lends itself well to a solar powered self contained station. Extended power failure would result in relatively steady pressure at the last setting. Optional freeze or default to high or low pressure is available on loss of signal.

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