... , ASME, DIN ,GB and so on. 2)Material:304, 304L,316, 316L, A105, F11, F22 and so on. 1) Standard: JIS, ASME ... , DIN ,GB, HG and so on. 2) Materials (stainless steel) include:1.4301, 1.4306, 1. ... ,ASME F321 and so on.3) Sealing Surface: FF, RF, LJ, TG, FM, and R.T.J. Etc slip-on stainless steel flange