Hayward Flow Control’s EPM-4 and EPM-6 models in the EPM Series of quarter-turn reversing electric actuators can be either factory- or field-mounted on any Hayward ball or butterfly valve or can be fitted to most other manufacturers” ball or butterfly valves. The EPM-4 provides a torque output of 455 in-lb./50 Nm, and the EPM-6 an output of 600 in-lb./67 Nm. Both models feature a gear-train design and modular construction, as well as a NEMA 4/4X enclosure. Position indicators and clutchless manual override are standard. Other features include: aluminum alloy, dry powder-coated housing; internal low-power heater; four limit switches (two auxiliary); ISO5211 F07 mounting pattern; data-logging and diagnostics (proportional control only) for EPM-6; and CSA listing. Both models are available with alternative voltages of 24 VAC/DC and 230 VAC. The EPM-4 allows for 12 VAC/DC also. Typical applications or installations include waste and water treatment, chemical processing, food and beverage, pharmaceutical, pulp and paper, irrigation/agriculture, marine or corrosive environments, aquatics, and water/theme parks.