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Partial Rotary Valve Electric Device

Partial Rotary Valve Electric Device
QW, QB, DQW, DQB are partly rotary valve electric actuator. Q means complete style. DQ means superposition style. (Z style is equipped with second reducer). They are applied for butterfly valve, ball valve, plug valve and air-gate baffle 90 degree rotary valve. It can control valve switch on/off, for remote contro1 or site operation. It's widely used in many industries such as power, metallurgy, petroleum, chemical, food, textile, paper, medicine, water plant and effluent treatment, etc. Divided by environment: QW and DQW for outdoors.
QB and DQB for explosion proof.

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Features Technical Indicators Overall Dimension

3.1.Power: Three phase alternating motor, 380V/50Hz.
Control wire is 200V/50Hz (Special power available before
place order)
3.2.Working environment:
3.2.1.Environment temperature: From-20 to +60℃
3.2.2.Relative humidity: Less than 90% (under 25℃)
3.2.3.The common and outdoors style is applied for no
inflammable, explosive and corrosion location. Explosion
proof style is applied for location where there is explosive
gas or material. Explosion proof style is marked with d I
(Applied for non-excavate working place of coal mine) and
d II BT4(Applied for factory)
3.2.4.Protection grade: IP55 for outdoors style and
explosion proof style