... -DN1000Type: SO, WN, SW, BL, PL, THD, LWN, LJ, RED and SBLStandard: ANSI,AWWA, API, MSS, DIN, BS, JIS, UNI, KS ... .Material: Carbon Steel - A105, A350LF2, S235JRG2 RST37.2 and so onStainless Steel - A182 F304, A182 F304L, A182 F316, A182 ... , PN 10, PN 16, PN 25, PN 40 and PN 64.5K, 10K, 16K, and 20K.Treatment of Prevent Oxygenizement: Oil, Paint, Galvanization ...