Standard:

ANSI B16.5 FLANGE

ASME B16.47 FLANGE

BS4504 FLANGE

AWWA C207 FLANGE

DIN FLANGE

EN1092-1 FLNAGE

GOST FLANGE

AS2129 FLANGE

UNI FLANGE

JIS B2220 FLANGE

BS10 FLANGE

SABS FLANGE