Structure features:

Hydraulic type dust D743W - 1 gas butterfly valve with hydraulic device through mechanical execution machine drive disc complete opening and closing action. Butterfly plate work position can be displayed through the travel switch signal. Throttle valve regulating valve opening and closing speed available. This valve can be remote control alone, also can be centralized control. Can also be input electrical signals into computer to process control. This valve wrench available for manual operation in the abnormal situation. This valve installed in horizontal pipe, please refer to installation direction shown in the figure, prevent dust accumulation increase open valve resistance.

Structure features:

D643W - 1 type pneumatic dust gas butterfly valve with pneumatic device through mechanical actuator drive control to realize opening and closing. Butterfly plate work position can be displayed through the travel switch signal. Throttle valve regulating valve opening and closing speed available. This valve can be a single remote control, also can remote centralized control, also can be program control input signals to the electronic computer. This valve in abnormal situation, also can use a wrench for manual operation. This valve installed in horizontal pipe refer to installation direction shown in the figure. In order to prevent dust accumulation resistance increase valve is opened.