Elektriska Manöverdon (Electrical Actuator type ITQ 010-300)
ELECTRICAL ACTUATOR TYPE ITQ 010-300 – * Self locking – Provided by double worm gearing to keep position of valve unchanged against reverse torque from valve. * Motor – Specially designed induction motor to generate high starting torque and high efficiency equipped with thermal protector to prevent damage from over heating. * Torque switches – Protects actuator from damage caused by overload from the driven valve over the whole travel. 1 for each open/close. * Manual override – Auto / Manual switchable lever and hand wheel engagement for emergency manual operation. * Drive force automatically resorted by motor start, unless lever padlocked to prevent this occurring. * External mechanical stopper – Prevents over run of travel angle when limit switch fails. * Removable drive bushing and ISO5211 mounting base * (F07~F16) for easy mounting on valve.