... 800~2500LB A105,F5,F9,F11,F316,LF2 etc Forged os & y Gate ValveApplication standards:1. Design and manufacture ... and inspection conform to: API 5984. Structure features: B.B OS&Y5. Materials conform to: ANSI/ASTM6. Main materials: A105; ... F91; F304; F304L; F316; F316L; F321; LF2 etc.Forged os & y Gate Valve: CZTV could design and manufacture as your ... Date:2010-8-26 4:14:07 Forged os &y Gate Valve