Electric O-type cutting ball valve applies to industral control system, it forms a complete set with Model DDZ-II or III instruments to realize cut or flow -thru of meduim in transporting pipe for petroleum,chemical industry, paper-making, metallurgy, pha
Electric O-type cutting ball valve applies to industral control system, it forms a complete set with Model DDZ-II or III instruments to realize cut or flow -thru of meduim in transporting pipe for petroleum,chemical industry, paper-making, metallurgy, pha
电动O型切断球阀用于工业控制系统中,它与DDZ-II型或III型仪表配套使用,可实现对石油.化工.造纸.冶金.制药.污水处理等工业部门,输送管道内介质切断或流通.