forged Steel hand wheel gate valve 1.CE,ISO9001,API6D,CQC,PDO. 2.Size 1/4"~ ... A105,F5,F9,F11,F316,LF2 etc forged Steel hand wheel gate valveApplication Standards:1. Design and manufacture conform to: API ... ; F304L; F316; F316L; F321; LF2 etc.forged Steel hand wheel gate valve: CZTV could design and manufacture as your request.(forged hand ...