钢制法兰盖主要生产标准有:
ANSI B16.5,DIN 2576,JISB2220,KS B1503,BS4504,UNI,
ISO7005-1:1992,HG20601-1997,HG20622-1997,
SH3406-1996,GB/T9123.1~9123.4-2000,JB/T86.1~86.2-1994