1.2-1/6 to 21-1/4 2.Welding Neck,Loose,Flat,Blind.Threaded Flange 3.2000psi-15000psi 4.API6A Type B ... 30ProcessFree forging, plate cutting.PrintingCarbon steel and alloy steel with yellow print, black print, oil or zinc.PackingPlywood ... , SS304L, SS316L , 321 etcAlloy Steel DIN17440/1.4006 DIN 17175/1.7335Rated PressurePN6.0-PN25PaintingBlack, Yellow, Galvanizing, Antirusting oilSealing SurfaceFF, ...