Three piece forging steel ball valve

1、Design and manufacture conform to BS5351 MSS SP-118;
2、Connection ends conform to:
1)Scoket welded ends conform to ANSI B16.11;JB/T1751
2)Screw ends conform to ANSI B1.20.1;JB/T7306
3)Butt-welded ends conform to ANSI B16.25;JB/T12224
4)Flanged ends conform to ANSI B16.5;JB79
3、Test and inspection conform to:
API 598;GB/T13927;JB/T9092
4、Structure features:
Bolted bonnet，three-piece;