... certificate. Features:Product Forged FlangeSize 3/4"-30". Kinds Slip on flanges,welding neck flanges,blind flanges,plate flanges,socket welded flanges,threaded ... joint flanges etc.Pressure Rating Class150,300,600,900,1500,2500; PN6,PN10,PN16,PN25,PN50,PN100; JIS5K,10K,20K,-30K ...