TWS Air Release Valves have been very popular. The air release valve adopts advanced technology, has the characteristics of rapid exhaust and good stability. It can effectively prevent the gas accu...
Wafer butterfly valve and Double Flange butterfly valve are two common types of butterfly valves. Both types of valves are rubber seated butterfly valves. The application range of the two kinds of ...
How to choose flanged concentric butterfly valve?
Flanged butterfly valves are mainly used in industrial production pipelines. Its main function is to cut off the flow of medium in the pipeline, or...
1. ISO 9001 quality system certification
2. ISO 14001 Environmental Management System Certification
3.OHSAS18000 Occupational Health and Safety Management System Certification
4.EU CE certification...
Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...
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 ...
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