国产 亚洲 欧洲精品_亚洲深夜毛片av_国产午夜精品福利91_午夜福利短视频_狼友免费黄色电影_2020女厕个接一个嘘嘘_久久综合九色综合77_又粗又黄一级欧美片_十八禁黄网站_在线三级国产

CN / EN

Type 2 gb what are the characteristics of the flanged ball valves

發(fā)布時間:2022-07-14瀏覽量:0

The two-piece national standard flanged ball valve is a widely used valve product, especially in China, which is very popular among users. This has a great relationship with its characteristics. The characteristics of the two-piece national standard flanged ball valve are: Which ones? Today, I will explain it to you, I hope it will be helpful to you.

     First of all, the two-piece national standard flanged ball valve has low fluid resistance, and its resistance coefficient is equal to the pipe section of the same length.

     Secondly, the structure of the two-piece national standard flanged ball valve is simpler than other ball valves. At the same time, it also has the characteristics of small size, light weight, tightness and reliability. The sealing surface material can be made of plastic, and the sealing performance is good. widely used.

     There are other features, such as easy operation, quick opening and closing, it only needs to rotate 90° from fully open to fully closed, which is convenient for long-distance control. Maintenance is also convenient. The two-piece national standard flanged ball valve has a simple structure, and the sealing ring is generally movable, so it is more convenient to disassemble and replace.

     The above is the introduction of the characteristics of the two-piece national standard flanged ball valve, I hope it will be helpful to everyone.