Cast Steel three Pieces Trunnion Ball Valve:Specification:16" ~ 40" (DN15~DN1000)ANSI ... WC9,C5,ASTM CF8,CF8M,CF8C,CF3,CF3M.Main Ball Material: ASTM A105, A182 304, A182 316, ... Product DetailsNormally three pieces design Cast Steel Trunnion Ball Valves is for the bigger size than 12 ... manual operated (lever or gearbox ), but also equipped with an actuator (electric, pneumatic, hydraulic, etc.).Feature: ...