... . 4.API 6D certificated. 2-pc stainless steel ball valvesAs the professional stainless steel pipe fittings manufacturer, we can produce Stainless ... steel valves, pipe fitting, quick coupling, sanitary union, machinery parts, ... 2”Thread End ASTM A351-CF8M (DIN 1.4408) Stainless steel ASTM A351-CF8(DIN 1.4308) Stainless SteelPressure temperature rating ...