... and Alloy steel etc.4), Standard: ANSI, DIN, GOST, BS, JIS and customers' drawings for special use5), Types: WN, SO, BL ... , PN 10, PN16, PN25, PN40 and PN64 Pressure Ratings: JIS 5K, 10K, 16K and 20K.We can provide flange as following: SIZESTANDARDSERIESPRESSURE11 ... , threaded etc.Class150,300,600,900,150051/2”—64”JIS 5K, 10K, 16K, 20K etc.plate, slip-on, blind etc.Class150,300 ...