1. Before installation, it is necessary to carefully check whether the logo and certificate of the butterfly valve meet the requirements of use, and should be cleaned after verification.
2. The but...
Pneumatic wafer soft seal butterfly valve compact structure, 90° rotary switch easy, reliable sealing, long service life, is widely used in water plants, power plants, steel mills, papermaking, che...
Valve sealing is a universal technology essential to various industrial sectors. Not only are sectors such as petroleum, chemical, food, pharmaceuticals, paper making, hydropower, shipbuilding, wat...
Gate valve and butterfly valve are two very commonly used valves. Both of them are very different in terms of their own structure and using methods, adaptability to working conditions, etc. This ar...
After the valve has been running in the pipeline network for a period of time, various failures will occur. The number of reasons for the failure of the valve is related to the number of parts that...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...