... .Connection:threaded,socket weld 3.Material:SS304,SS316,WCB 3PC Stainless Steel Pneumatic Actuator Ball Valve1.Size:1/4"-3"2.Pressure ... . 5.Connection:threaded,socket weld6.Accessory:solenoid valve,limit switch,air set&lubricator,hand wheel7.Dimensions: 3PC Stainless Steel Pneumatic Actuator Ball Valve