Carbon Steel WN Flange 1.Size:DN10 to DN1000 2.Pressure:PN6 to ... :Carbon steel,stainless steel Carbon Steel Weld-neck Flange1), Name: WN flange2), Sizes: From DN10 to DN1000, PN 6 - PN 40 ... , GOST, BS, JIS and customers' drawings for special use5), Types: WN, SO, BL, Plate, Thread, Socket and etc6), Process: Casting7), Packing ... -on, blind etc.Class150,300,600,900,1500 Carbon Steel WN Flange