... , Blind, Socket Welding, Lap Joint,Threaded and Plate etc.Pressure Ratings: Class 150, 300, 600, 900, 1500 and2500.Pressure ... Ratings: PN 6, PN 10 , PN 16, PN 25, PN 40 ... and PN 64.Pressure Ratings: JIS 5K, 10K, 16K, and 20K.Standdard: ANSI,DIN,EN ...