Product Description:

LQ series of part of the rotary valve electric device is my latest development of the replacement products. For butterfly valve, ball valve, plug valve and throttle to do 90 ° rotation of the valve, for the valve to open, close or adjust control, remote control, but also on-site operation.

Widely used in electric power, metallurgy, petroleum, chemical, food, textile, paper, pharmaceutical, water and sewage treatment industries.

The protection class of the product is IP67, and the explosion-proof grade of the isolated product (Ex in the model) is d ⅡBT4.

1. This product complies with JB / T8219-1999 "industrial process measurement and control system with the valve electric device" requirement.

2. Ambient temperature: -20 ~ 60 ℃

3. Altitude not more than 1000m.

4, The relative humidity of the environment is not more than 90% (25 ℃).

5. The working environment does not contain strong corrosive media shall not be in the explosive atmosphere of the use of mixed gas.

6. Short-term work system: 30 minutes

7. No strong vibration conditions.

Mechanical Features:

1. Shell: aluminum alloy shell after oxidation, polyester powder coating, can adapt to a variety of harsh conditions;

2. Transmission: with accurate double worm gear mechanism, low noise, high output torque;

3. Self-locking function: double worm gear mechanism with self-locking function to prevent reverse;

4. Motor: specially designed induction motor, built-in thermal protection switch, to prevent motor overheating, insulation class for the F-class;

5. External mechanical limit: to prevent the limit switch failure when the trip;

6. Torque switch: When the valve torque is too large to provide overload protection, open and close the moment of a;

7. Limit switch: can accurately locate the valve position, auxiliary switch can provide dry contact signal;

8. Terminals: spring-tight terminals, wired and can be used in vibrating environments;

9. Dryer: dryer can prevent water vapor condensation;

10. Clutch mechanism: close the switch handle can be hand wheel operation, power automatically reset;

11. Handwheel: With handwheel operation, the valve can be turned on or off during a power outage or emergency

Electrical Features:

1. Automatic identification phase sequence, power protection;

2. Remote control using DC24V voltage level;

3. Convenient and flexible way of user wiring;

4. Live button light box knob with no penetration design, improve the machine sealing characteristics;

5.5 passive electric shock instructions motor operating conditions, to facilitate the DCS system on the computer monitoring;

6. Set the electric device to monitor the relay, provide integrated fault signal for the DCS system;

7. The conversion knob can be locked with a conventional padlock as needed to prevent misuse.