Air to Open; Spring to Close, fail safe operation Actuator cylinder, bracket, adaptor and mounting bolts are made of corrosion resistant T304 stainless steel. Butterfly valves can be easily changed from Manually Operated to Air Operated without the use of special tools.
Micro switch unit available as an accessory.
One actuator fits all valve sizes.
Available with Hoffman FA-2 air coupler or SP10-14 Alcon poly tube connectors.