... 1.standard:ANSI /API / AWWA / DIN / BS / JIS 2.150LB 300LB 600LB 900LB 150 3 ... 2500LBS DIN PN6 - PN160 JIS 5K - 30K HG PN0.25 - PN25 PN2.0 - PN42.04)Specification: from 1/ ... AWWA, API, DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM ... , BS, DIN, JIS, EN, GB and customer ... . ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as well as GB ,which size 1/2"(DN15) to ...