... .Standard:ANSI,DIN,JIS,ASME,BS,etc BLIND Flange1 Socket Welding Flange,Weld Neck Flange,Slip On Flange,Blind Flange,Threaded ... "--24" 5 Printing: Yellow print, black print, oil and Zn 6 Class: 150LB~1500LB 7 Material: Carbon steel. 8 Usage: Petroleum ... to discuss a custom order, please feel free to contact. high quality and low price blind flange