FORGED flange 1.standard:ANSI /API / AWWA / DIN / BS / JIS 2 ... the TUV CERT ,ISO9001 - 2000, WO , PED.7)Standard: ANSI B16.5, B16.47, MSS, SP-44, AWWA ... , API, DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ... ASTM, BS, DIN, JIS, EN, GB and customer's request.Ding Xiang county Wan Tong ... MSS ,AWWA , DIN ,JIS ,BS as well as GB ,which size 1/2"(DN15) to 80"(DN2000),And we ...