... 2.Pressure:PN6 to PN40,Class150 to 1500 3.Material:Carbon steel,stainless steel Carbon Steel Weld-neck Flange1), Name: WN flange2), Sizes: From DN10 ... - PN 40(DIN), class150-600pounds, 5K-20K(JIS)3), Material: Carbon steel,stainless steel4), Standard: ANSI, DIN, GOST, BS, JIS and customers ... .plate, slip-on, blind etc.Class150,300,600,900,1500 Carbon Steel WN Flange