... to PN64 3.Carbon steel,Stainless steel Carbon Steel Slip On Flange1), Name:Sling On flange2), Sizes: 1/2"- 64",15mm - 1600mm3), Material ... ”—64”DIN2573, 2572, 2631, 2576, 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 ...