How is Fuzhou electric stainless steel flange butterfly valve closed? 6. Check the connection parts to ensure the tightness of the packing and the flexible rotation of the valve rod.
、 Electric ball valve has been widely used in petroleum industry, medicine and health, natural gas, nuclear power generation, metallurgy, water supply and drainage, heating and other industries, and is a very important mechanized product for national defense. It is also an indispensable product in the development of science and technology. It has played an important role in our daily life and production, and has been highly valued and vigorously developed by various countries. Then, what is the scope of its application, what are the common faults, and how to eliminate them? This article will explain them in detail.