n, suitable for potable, water supply and drainage, sewage treatment industry ?and food industry etc .2, can be connect with U-PVC or PE material pipeline, especially suitable for buried pipeline. 3, Socket weld Non-rising Stem Resilient Seated Gate Valve can be called as buried cast iron gate valve too,we-Hugo manufacturer all kinds of buried gate valve with all standards and special standards, valve body can according to DIN F4/F5/ANSI/BS/JIS/SABS. Component1BodyCast Iron / ductile iron?2Dis