... 1.2-1/6 to 21-1/4 2.Welding Neck,Loose,Flat,Blind.Threaded Flange 3.2000psi-15000psi 4.API6A Type B Flange Size1/2 ... 150LBS-2500LBS,DIN PN6-PN160BS PN0.25-PN25 PN2.0-PN42.0JIS 5K-30KMaterialsCarbon SteelASTM:SA105N/A105 Low ... SS316, SS304L, SS316L , 321 etcAlloy Steel DIN17440/1.4006 DIN 17175/1.7335Rated PressurePN6.0-PN25PaintingBlack, Yellow, Galvanizing, Antirusting oilSealing SurfaceFF, RF ...