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420-DC/AC Automated Pilot Control

The 420-DC or 420-AC provide for 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.

IP68, 7 ft/24 hours (2.134 m/24 hours)
Programmable span and speed via USB cable and software
Built in surge suppression for protection against voltage spikes
Position feedback: 4-20 mA
Downstream pressure follows the control signal within +/- 1 psi / 0.068 bar
May be fitted in the field to most sizes and makes of automatic control valves

Typical Applications for a 420-AC/DC:

Pressure management systems - utilizing pressure reducing pilot to give adjustable pressure settings based on system demand.
Remote or difficult to reach control valves where adjustments need to be made and using SCADA is the best option.