... , Blind, Socket Welding, Threaded, Lap Joint and Plate etc. Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500 Pressure ... 6, PN 10, PN16, PN25, PN40 and PN64 Pressure Ratings: JIS 5K, 10K, 16K and 20K Materials: Carbon steel, Stainless ...