3PC Stainless Steel Pneumatic Actuator Ball Valve 1.Size:1/4"-3" 2.Connection:threaded,socket weld 3.Material:SS304,SS316,WCB 3PC Stainless Steel Pneumatic ... acid. 5.Connection:threaded,socket weld6.Accessory:solenoid valve,limit switch,air set&lubricator,hand wheel7.Dimensions: 3PC Stainless Steel Pneumatic Actuator Ball ...