用途:本閥廣泛用于石油、化工、制藥、電力等行業(yè)，在公稱壓力≤1.0 Mpa蒸氣、水、油品介質(zhì)的管路上作啟閉用。

Usage:Turn on or turn off the pipelines where the nominal pressure is ≤1.0 Mpa and the medium must  be  steam,water or oil,can be  used  in  fields of petyoleum industry,chemical  Indus-try,pharmaceutical  industry and power industry.