Article
Flange standards buyers name
Standard names that show up on forged flange inquiries. The standard names the dimension system.
Updated: Oct 6, 2026
These names show up on inquiries. The standard tells which dimension system the flange follows. Material, documents, and the exact supply scope are confirmed on the order.
ASME B16.5
Pipe flanges and flanged fittings.
ASME B16.47
Large diameter steel flanges.
EN 1092-1
European steel flanges.
JIS B2220
Japanese steel pipe flanges.
Write the standard number on the inquiry together with size, pressure class, material, and facing.