Rumah Produk LQ electric actuatorLQ3-50Z Integral Type
LQ3-50Z Integral Type

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)

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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

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  Technical parameter


Performance

Output torque (N.m)

90° running time(S)

Motor Power(W)

Motor current(A)Rated

Circle number of handwheel

Weight(Kg)

Power supply

Item

LQ3-35

350

32

60

0.9

13

18

AC220V

1.8

AC110V

0.38

AC380V

0.42

AC440V

4.0

DC24V

LQ3-50

500

32

90

1.3

13

19

AC220V

3.2

AC110V

0.8

AC380V

0.86

AC440V

6.9

DC24V

Case material

Aluminium alloy die-casting

Position limiting

mechanical limit, overtorque protection

Enclosure protection

IP-67 (IP-68 optional)

Surrounding temperature

-20℃-60℃

Ambient humidity

Relative Humidity > 90%(25%)

Insulted resistance

≥100MΩ

Insulted strength

1500V/1Min(AC220V) 2000V/1Min(AC380V)

Optional function

Explosion-proof/plus precision potentiometer, over-torque protection, overheat fault signal

Time/torque optional

10S/400N.m  10S/350N.m  5S/150N.m

Product color

blue(other colors customized)

Note: All range actuators are dispatched with explosion proof plugs 2-NPT3/4 fitted into the cable entries,it is the responsibility of the installer to ensure the appropriate cable adapters and packings with explosion proof.


  Dimensions


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