Catalog excerpts
Electrical Actuator type ITQ 010-300 STANDARD SPECIFICATION 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 occuring. 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. TECHNICAL DATA Wiring diagram included with delivery Krossgatan 22 B SE-162 50 Vallingby Sweden
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