Main purposes of electric butterfly valve:
The electric butterfly valve is mainly used in the paper machine industry for travel adjustment and tension control of correctors, calenders, presses, scrapers, nets and other parts. In addition, it is also used for all parts requiring valves, vibration isolation and travel control in automobile, train, construction, chemical industry, mechanism, installation and military industries. At present, the most important field of electric butterfly valve is vehicle suspension system, which can realize automatic adjustment of body height and keep the body height unchanged; The application of electric butterfly valve on lifting equipment. As the lifting element of lifting equipment, the electric butterfly valve overcomes the traditional shortcomings of lifting equipment, requires no 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.