... , DIN259, DIN2999. 3.CNC lathe process. 4.API 6D certificated. 2-pc stainless steel ball valvesAs the professional stainless steel pipe ... price.Description of Ball valves:Features: 1) Small flow resistance 2) Swift opening and closing at 90° Angle 3) Compact structure ... caps. Product2-PC ball valveMaterialSs201,304,304L,316,316LSize1/4”-2”Thread End ASTM A351-CF8M (DIN 1.4408) Stainless steel ...