Features Available for on-off linear valves, modulating control valves and knife gate valves. Switch options include Micro-Switch® , Magnum™, MagPAC™, GO®, P&F®, and Effector®. Housings in aluminum, engineered resin and stainless steel configurations. NEMA 4, 4X, 7, 9, rated enclosures with UL, CSA & FM listings for Hazardous Area applications. 0-100% position transmitters in either resistive or current (4-20mA) configurations.