2、 Attention shall be paid to the number of turns of the output shaft of the electric butterfly valve according to the practical use. The rotating of the output shaft plays a very important role in the operation of the electric butterfly valve. Therefore, the number of turns shall be calculated according to the diameter of the stem pitch. The number of threads and the additional speed. The total number of turns is usually the proportion of the electrical equipment equal to the opening height of the safety valve and the number of threads added to the stem joint.

To ensure the service life of the pneumatic control valve, we need to summarize and use the quality of the pneumatic control valve, know how to repair it, and then truly maintain the actual use effect of the pneumatic control valve.