... 5, ASA, API-605,etc..slip-on, welding neck, blind, threaded, lap-joint, etc.Class150,300,600,900, ... 150021/2''-64''EN 1092,etc…plate, slip-on, blind ... 2631, 2576, 2632,2633, 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600, ... ''-64''BS4504, PN16, PN25, PN40, etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300, ...