Hayward Flow Control (Clemmons, NC) offers the EPM-4 and EPM-6 models of quarter-turn reversing electric actuators. They are designed to eliminate wiring errors and can be factory- or field-mounted on ball or butterfly valves. The EPM-4 provides torque output of 455 in-lb./50 Nm, and the EPM-6 provides output of 600 in-lb./67 Nm. Both feature a gear train design and modular construction, as well as a NEMA 4/4X enclosure. Position indicators and clutchless, manual override are standard.

The EPM-4 and EPM-6 models of quarter-turn reversing electric actuators.
Other features include an aluminum alloy dry powder-coated housing, internal low-power heater, four limit switches (2 auxiliary), and data logging and diagnostics for the EPM-6. Optional features include positioners, extended-duty motors, feedback potentiometer, and local control stations. Both models are available with alternative voltages of 24 VAC/DC and 230 VAC.

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Motion Control Technology Magazine

This article first appeared in the December, 2011 issue of Motion Control Technology Magazine.

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