Forged Zhejiang Valve 1.CE,ISO9001,API6D,CQC,PDO. 2.Size 1/4"~2" 3.Class 800~2500LB ... A105,F5,F9,F11,F316,LF2 etc Forged Zhejiang ValveApplication standards:1. Design and manufacture conform to: API ... 602;2. Connection ends conform to: 1) Socket welded dimension conform to ANSI B 16. ... ; F304; F304L; F316; F316L; F321; LF2 etc.Forged Zhejiang Valve: CZTV could design and manufacture as your request ...