Main purposes of pneumatic butterfly valve:
Pneumatic butterfly valves are mainly used in the paper machinery industry for travel adjustment and tension control of correctors, calenders, presses, scrapers, nets and other parts. In addition, they are also used in all parts of the industry such as automobiles, trains, buildings, chemicals, mechanisms, installation and military industry that need valves, shock isolation and travel control. At present, the most important field of pneumatic butterfly valve is vehicle suspension system, which can realize automatic adjustment of body height and keep the body height unchanged; The application of pneumatic butterfly valve on lifting equipment. As the lifting element of lifting equipment, the pneumatic butterfly valve overcomes the traditional shortcomings of lifting equipment, eliminates the need for maintenance, has a long service life, and is easy to operate and replace.
The small editor introduces the maintenance method of water plugging:
1. After the sewage pipe plug is used, it shall be cleaned with clean water. If the cement can not be washed off, it shall be carefully scraped off with a board or shield to avoid damage.
2. If the sewage pipe plug of the closed water test is not used temporarily, the outer layer of the skin bag should be coated with talcum powder and placed in a ventilated and dry place to prevent the skin bag from being punctured.
3. During the full water test, the sewage pipe plug shall not contact with the fire source, oil and organic solvent, and shall not be put together with sharp and hard objects to prevent the capsule from being punctured.
4. If closed water test is found; If the sewage pipe plug leaks, the surface can be roughened with a grinding wheel or a wood file at the place to be repaired. After cleaning with gasoline, apply adhesive covering film or adhesive tape for repair.