... :ISO9001 4.Standard:ANSI,DIN,JIS,ASME,BS,etc BLIND Flange1 Socket Welding Flange,Weld Neck Flange,Slip On ... Flange,Blind Flange,Threaded Flange,Non-standard flange; 2 We are ... 2"--24" 5 Printing: Yellow print, black print, oil and Zn 6 Class: 150LB~1500LB 7 Material: Carbon steel. ... order, please feel free to contact. high quality and low price blind flange