... Lap Joint,Threaded and Plate etc.Pressure Ratings: Class 150, 300, 600, 900, 1500 and2500.Pressure Ratings: PN 6, PN ... /F316L 4 BS3293-1960 STANDARD 26"--48" 150-600LBS SO,WN A105, A350LF2,A182 F304/ ... /F316L 6 ASMEB16.36 STANDARD 1"--24" 300--2500LBS SO,WN,THD A105, A350LF2,A182 ... which manufactures and sells flanges professionally. We have 300 employees composed by engineers and experienced workers. ...