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 Explosion proof electric Actuator  LQ model

LQ model valve actuators are the new generation of our company and can be used for driving and controlling the butterfly valves,ball valves and plug valves (part-turn valves with 90° movement).With the functions of local control and remote control both.
●They are widely used in the fields such as oil,chemistry,power generation,water treatment,paper making.etc
●The enclosure protection is IP67,and the explosion proof class is d II CT6(LQ1,LQ2) and d II BT6(LQ3,LQ4,LQ4JS) 

NORTECH is one of the leading China explosion proof electric Actuator   Manufacturer & Supplier.


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What is explosion proof electric Actuator ?

Explosion proof electric Actuator LQ model  

First of all,it's a type of part turn electric actuator,that can only rotate left or right over an angle of maximum 300°.Rotating valves and other similar products, such as butterfly valves, ball valves, dampers, plug valves, louver valves, etc.are the new generation of our company and can be used for driving and controlling the butterfly valves. With the functions of local control and remote control both.

Secondly,it's special designed for environment explosive and for hazardous locations,they are widely used in the fields such as oil,chemistry,power generation,water treatment,paper making.etc,and the the enclosure protection is IP67 

Main features of explosion proof electric Actuator

Main Characteristics

  • ●Housing:Hard anodized Aluminum casting and external epoxy power coated against severe industrial environment.
  • ●Gearing:Precisely machined double worm gear C/W minimum black-lashjow noise,high output torque.
  • ●Self-locking:Provided double worm gearing to keep position of valve unchanged against reverse torque from valve.
  • ●Motor:Specially designed and induction motor to generate high starting torque and high efficiency equipped with thermal protector to prevent damage from over heating.Insulation class F.
  • ●External mechanical stopper:Prevents over run of travel angle when limit switch fails.
  • ●Manual override:Auto/Manual switchable lever and handwheel engagement for emergency manual operation.Drive force automatically resorted by motor start, unless lever padlocked to prevent this occurring.
  • ●Handwheel:Manual operated .turn on-off valve directly when power off.

Electrical characteristics

  • ●Automatic identify Phase sequence, phase failure protection.
  • ●DC24V Voltage Class for remote control.
  • ●Convenient and flexible wiring method.
  • ●Selector with impenetrable design to improve the sealing of actuator.
  • ●Selector padlocked according to requirements to prevent the failure operation.

Technical specification of explosion proof electric Actuator

Part turn Electric actuator Explosion Proof  LQ model1

Product Show: explosion proof electric Actuator

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Product Application: explosion proof electric Actuator

Explosion proof electric ActuatorLQ model is mainly used to control valves and constitute electric valves,specially in the hazardous locations and explosive medium, It can be installed with rotary valves,ball valves,  etcgate valves, etc., using electricity instead of traditional manpower to control valve rotation to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media,for hazardous locations and meet UL 1203 standard. The actuators are rugged and reliable with powder coated anodized aluminum housing for use in oil, gas, chemical & power generation applications.


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