Enter the Designation Stamped on the Flange 
Only Applicable for 'Standard' Flanges
  • US & North America, Australia Flanges are typically categorized as ANSI/ASME, API & AWWA 
  • European Flanges are categorized as EN / DIN
  • Two other common flange designations are "SLIP ON" and "HUB"
Flange Design is also helpful:
  • Blind Flange 
  • Threaded 
  • Flat 
  • Lapped
  • Other