... AWWA Flange, DIN Flange, JIS Flange, BS Flange and GB Flange etc; 4 Size: 1/2"--24" ... 5 Printing: Yellow print, black print, oil and Zn 6 Class: 150LB~1500LB 7 Material: Carbon steel ... . 8 Usage: Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, etc 9 Packing: Wooden ... order, please feel free to contact. high quality and low price blind flange