・JIS B 2220 (鋼製管フランジ) :5K, 10K, 16K, 20K, 30K, 40K, 63K
・JIS B 2239 (鋳鉄製管フランジ):5K, 10K, 16K, 20K
・ASME B 16.5 (Pipe Flanges and Flanged Fittings)
:Class 150, 300, 400, 600, 900, 1500, 2500
・ASME B 16.1 (Cast Iron Pipe Flanged and Flanged Fittings):Class 25, 125, 250
・Part 1:Steel flanges PN 2.5, 6, 10, 16, 25, 40, 63, 100, 160, 250, 320, 400
・Part 2:Cast iron flanges PN 2.5, 6, 10, 16, 25, 40
・Part 1:Steel flanges EN 1092-1 Part 1 & ASME B 16.5
・Part 1:Cast iron flanges EN 1092-1 Part 2 & ASME B 16.1