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 Actuator ... ,BS4.Applicable media: Water oil. Steam. Nitric acid. Acetic Acetic acid. 5.Connection:threaded,socket weld6.Accessory:solenoid valve,limit switch,air ...