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...
Check valves, also known as check valves or check valves, are used to prevent the backflow of media in the pipeline. The foot valve of the suction off of the water pump also belongs to the category...
In the field of industrial control systems, the selection of high-quality valves is critical for optimum performance and reliability. Without a doubt, one of the most eye-catching names is Tianjin ...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
Industrial valves are an important accessory for controlling the flow of media on industrial pipelines. They are widely used in petroleum, chemical industry, metallurgy, electric power, paper-makin...