FORGED flange 1.standard:ANSI /API / AWWA / DIN / BS / JIS 2.150LB 300LB 600LB 900LB 150 3.SLIP ... ,16Mn, CH2.8, C22.83)Rating : ANSI 150LBS - 2500LBS DIN PN6 - PN160 JIS 5K - 30K HG PN0.25 - PN25 PN2 ... : the TUV CERT ,ISO9001 - 2000, WO , PED.7)Standard: ANSI B16.5, B16.47, MSS, SP-44, AWWA, API, ... specifications derived from 7 standards, i.e. ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as well as GB ,which ...