... Standard SMS, DIN, 3A, IDF, ISO, RJT Materail Quality Stainless steel 304, 316L Power Manual, Pneumatic Size 1" ~4" , DN25 ... degree~+135Celsius degree Pressure 0bar~10bar Connection Mode Welded type, Clamped type, Threaded type Internal Surface < 0.8um Exterbal Surface < 1 ... the most advanced CNC machine from Japan for forged processing Parts of Butterfly Valve Valve body, handle, SS dish, Seal, Bolt, ...