Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
The valve is a tool used in the transmission and control of gas and liquid with at least a thousand years of history.
At present, in the fluid pipeline system, the regulating valve is the control e...
1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
For a long time, the general gate valve used in the market generally has water leakage or rust, the use of European high-tech rubber and valve manufacturing technology to produce the elastic seat s...
3. Ball Valve
The ball valve evolved from the plug valve. Its opening and closing part is a sphere, and the sphere rotates 90°around the axis of the valve stem to achieve the purpose of opening and...
The purpose of water treatment is to improve water quality and make it meet certain water quality standards.
According to different treatment methods, there are physical water treatment, chemical w...
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