Feature

1.Design and manufacture: API 602
2.Ends connection
1)SW dimension: ANSI B16.11;JB/T1751
2) Screwed dimension: ANSIB1.20.1;JB/T73.6
3)BW dimension: ANSI B16.25;JB/T12224
4) Flange dimension: ANSI B16.5;JB79
3.Structural feature: Bolt bonnet(BB) and outside screwed and yoke (OS&Y), or welded bonnet(W.B) and outside screwed and yoke (OS&Y)
4.Valve inspection and test:API598; GB/T 13927;JB/T 9092
5.Body material: A105; LF2; F11; F22; F304; F316; F321; F51; Monel;20#alloy;