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Electric switch valve

The LMTK series partial rotary valve electric device is the latest upgraded product developed by our company. Suitable for valves such as butterfly valves, ball valves, plug valves, and air dampers that operate with angular travel, used for valve opening, closing, or regulating control. It can be remotely controlled or operated on site. Widely used in industries such as power, metallurgy, petroleum, chemical, food, textile, papermaking, pharmaceuticals, water plants, and sewage treatment. This product is for outdoor use, with a protection level of IP67. The explosion-proof level of the explosion-proof product (with Ex in the model) is dBT4. The standard for ordinary valve electric devices is JB/T8219-1999 "Valve Electric Devices for Industrial Process Measurement and Control Systems".

product details

Product Features


Shell: The aluminum alloy shell has undergone oxidation treatment and is coated with polyester powder, which can adapt to various harsh working conditions;


Transmission mechanism: Equipped with a precise dual worm gear mechanism, low noise, and high output torque;


Self locking function: The double worm gear mechanism has a self-locking function to prevent reverse rotation;


Motor: Specially designed induction motor with built-in thermal protection switch to prevent motor overheating, with insulation level of F


External mechanical limit: prevents overtravel when the limit switch fails;


Torque switch: Provides overload protection when the valve torque is too high, with one opening and one closing torque;


Limit switch: It can accurately locate the position of the valve, and the auxiliary switch can provide a dry contact signal;


Wiring terminal: Spring pressed wiring terminal, firmly connected, can be used in vibration environments;


Drying machine: Drying machine can prevent condensation of water vapor;


Clutch mechanism: Close the switching handle to operate the handwheel, and it will automatically reset when powered on;


Handwheel: Operated with a handwheel, the valve can be opened or closed during power outages or emergencies.


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