El-o-matic international, offers products for flow control, has providing edp/ esp pneumatic rack and pinion rotary actuator for high cycle, trouble-free use in highly corrosive process environments. . Edp/esp actuators are available as single or double acting models, handle torques from 350 to 4000 1b. Inch and temperatures from -4° to 155°f. Impervious to most chemicals, acids, saltwater, washdown, airborne pollutants, vapours and other corrosive elements, edp/esp actuators feature a compact corrosion resistant, polyurethane housing and end caps with rugged, durable stainless steel shaft and external hardwarefull length stainless steel rods and nuts offer secure metal-to-metal end-cap bolting and carbon filling eliminates possible static discharge.