Harold Beck and Sons, Inc. is a manufacturer of electric actuators for industrial control valves and dampers. Beck valve actuators and damper drives are specifically designed for continuous modulating control, with the advantages of long life, precise control and virtually no maintenance requirements. A weatherproof Type 4X enclosure, 185° F temperature rating and available explosion-proof models make Beck actuators suitable for the most difficult of industrial environments typical of coal-fired utilities, industrial powerhouses, steel mills, cement plants, paper mills and water treatment plants.