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LQ Special Customization

LQ series electric actuator are the new generation of our company and can be used for driving and controlling the butterfty valves, ball valves and plug valves with 90° movement.

Our products and services are widely used in industries inclusive of Oil& Gas, HVAC, Marine, Mining, Pulp& Paper, Food & Beverage, Power, Water& wasterwater, Pharmaceutical and Chemical industries around the world.

The enclosure protection is IP67comply with d 1 BT6 or dll CT6.

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  Summary


LQ 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)


  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.

Torque switches:Protect actuator from damage caused by overload from the driven valve over the whole travel, 1 each for open/close.

Limit switches:Directly engaged with driving shaft to set accurate position of valve,supplying a dry contact signal.

Terminal:Spring loaded push type terminal for tight wiring connection under severe vibration.

Space heater:Anti-condensation.

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.

Working situation indicated by five dry contact signals to convenient monitor the DCS system.

Monitoring relay supply comprehensive fault signal for DCS system.

Selector padlocked according to requirements to prevent the failure operation.


  Item


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  Selection table


Item

Output torque

Action time

(0-90℃)

Power supply

Metal seal butterfly valve

Soft seal butterfly valve

Ball valve

Aeration butterfly valve

LQ0-05

50

21

DC24V,

AC110V, 

AC220V, 

AC380V, 

AC440V

/

≤DN80

≤DN32

≤DN80

LQ1-06

60

26

/

≤DN80

≤DN32

≤DN80

LQ1-10

100

26

DN40-DN65

DN100-DN125

DN40-DN50

DN100-DN200

LQ2-20

200

28

DN80-DN125

DN150-DN200

DN65-DN80

DN250-DN300

LQ3-35

350

32

DN125

DN200

DN80

DN350

LQ3-50

500

32

DN150-DN200

DN250

DN100-DN125

DN350-DN500

LQ4-80

800

36

DN250

DN300

DN150

DN500-DN600

LQ4-110

1100

36

DN250

DN350

DN150

DN600-DN800

LQ4JS-200

2000

110

DN300-DN400

DN400-DN500

DN200-DN250

DN800-DN1000

LQ4JS-250

2500

110

DN450

DN500-DN600

DN250

DN1000-DN1200

LQ4JS-400

4000

180

DN600

DN700

DN300

DN1200

LQ4JS-600

6000

180

DN600

DN800-DN900

DN350-DN400

DN1500-DN1800


  Ordering information


The following details need to be supplied by user when ordering.

Torque required(N.m),rotate speed (r/min)

Application environment

Power supply

Mounting base with valve

Electrical control required

Other special requirements.

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