国产AV无码电影_日韩无码一区蜜桃_天天综合亚洲色在线精品_宝贝好硬好爽再来男男_免费A级黄毛片_jzz在线观看内射_红桃视频免费版高清在线观看_体育生爽擼又大又粗的雞巴自慰_久久亚洲情趣捆绑_亚洲AV无码一期二期三期少妇

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:2480

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.