Gate Valve Drawing 1.CE,ISO9001,API6D,CQC,PDO. ... Class 800~2500LB A105,F5,F9,F11,F316,LF2 etc Gate Valve DrawingApplication Standards:1. Design and manufacture conform to: ... features: B.B OS&Y5. Materials conform to: ANSI/ASTM6. Main materials: A105; F5; F9; F11; F22; F91; F304; ... F304L; F316; F316L; F321; LF2 etc.Gate Valve Drawing : CZTV could design and manufacture as your request ...