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...
Gate valve and butterfly valve both play the role of switching and regulating flow in pipeline use. Of course, there is still a method in the selection process of butterfly valve and gate valve. In...
Soft seal gate valve, also known as elastic seat gate valve, is a manual valve used to connect pipeline media and switches in water conservancy engineering. The structure of the soft seal gate valv...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
TWS Valve is a professional valve manufacturer. In the field of valves has been developed for more than 20 years. Today, TWS Valve would like to briefly introduce the classification of valves.
1. C...
First of all, whether it is a ball valve or a butterfly valve, etc., there are soft and hard seals, take the ball valve as an example, the use of soft and hard seals of ball valves is different, ma...