Self sealing gate valve
1. Design and manufacture:API 602, BS5352, ANSIB16.34;
2. Connection end size:
1) socket size according to Socket welded dimension conformTo ANSI B16.11; JB/T1751
2) thread end dimensions according to Screw ends dimension conform toANSI B1.20.1; JB/T7306
3) the size of butt welding end is Butt-welded conform to ANSl B16.25.JB/T12224