... of electromotor, gearbox, T shape screw nut as linear thruster, control box integration, manual handel, local digital display, local ... IP67 EX level: dIIBT4 II. Main Featuresl Electrical control box is double-sealed enclosure largely increase the reliability ... self-checking diagnosis and alarmIV. Specification Table Modelautomatic linear valve actuator Thrust(KN)Speed(MM/S)MaxTravelDistance(MM)Power( ...