行业新闻

原文
The main valve shut-off valve type According to the above analysis, the main valve shut-off valve type as follows, select the cut-off valve should be considered leakage rate, media type, media, temperature, flow coefficient and other parameters and cost. In the following preferred order, first consider the seal, then consider a soft seal. (1) full-featured ultralight valve (2) three eccentric metal seated butterfly valve (3) spherical double eccentric butterfly valve seal (4) ball valve (5) eccentric rotary valve (6) single-seat valve (7) single-sleeve valve seat (8) Soft sealing valve
原文来自：http://www.diandongfamen.org

是由上海赛泰泵阀有限公司提供的阀门新闻，中文译文仅供参考，以下提供站内导航搜索：

中国电动阀门网电动阀门产品电动阀门知识电动阀门厂商电动阀门博客电动阀门行业新闻

译文：
切断阀的主要阀型如下，选择切断阀应综合考虑泄漏率、介质种类、介质温度、流量系数等各种参数和性价比。在如下优选秩序中，先考虑硬密封，再考虑软密封。（1）全功能超轻型调节阀（2）三偏心金属硬密封蝶阀（3）双偏心球面密封蝶阀（4）球阀（5）偏心旋转阀（6）单座阀（7）单座套筒阀（8）软密封阀

更多新闻：