... as per customers' special requirement;8),Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500 Pressure Ratings: PN ... neck, blind, threaded, lap-joint, etc.Class150,300,600,900,150021/2”—64”EN 1092,etc…plate, ... slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2”—64”BS4504, PN16, PN25, PN40 ... -on, welding neck, blind, threaded etc.Class150,300,600,900,150051/2”—64”JIS 5K, 10K, 16K ...