+ Lighter
+ Cheaper
+ Easy installation
- Pipe flanges required
- More difficult to centre
- Not suitable as end valve
In the case of a Wafer-style butterfly valve, the body is annular with a few ...
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...
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...
Balance valve is a special function of the valve, it has a good flow characteristics, valve opening degree indication, opening degree locking device and for flow determination of the pressure measu...
The 80th anniversary of victory in the War Against Japanese Aggression.
On the morning of September 3rd, TWS organized its employees to watch the grand military parade commemorating the 80th annive...
The flange butterfly valve is a valve widely used in industrial piping systems. Its primary function is to control the flow of fluids. Due to its unique structural characteristics, the flange butte...