... , 2632,2633, 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2''-64''BS4504 ... PN16, PN25, PN40, etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150051/2''-64''JIS ... 5K, 10K, 16K, 20K etc.plate, slip-on, blind etc.Class150,300,600,900,15005.Package: in wooden case ... have any need,pls feel free to contact us. DIN Standard Forged Flange