... inch, DN15-1200 Standard: ANSI, JIS, DIN, UNI, BS carbon steel flanges1), Sizes: 1/2 inch-48 inch, DN15- DN12002 ... ), Material: carbon steel, stainless steel3), Standard: ANSI, JIS, DIN, BS4504, SABS1123, ... or Third Party inspection upon requests about usZhangqiu Ruiye Mechanical Co., Ltd is the professional manufacturer and exporter of flanges.Our ...