金属垫圈

• Flanges and their joints - dimensions of gaskets for pn - designated flanges - part 6 : covered serrated metal gaskets for use with steel flanges
  法兰及其连接件. pn标示法兰用垫圈的尺寸.第6部分:钢法兰用涂覆的有锯齿金属垫圈
• Flanges and their joints . dimensions of gaskets for pn - designated flanges . part 4 : corrugated , flat or grooved metallic and filled metallic gaskets for use with steel flanges
  法兰及其接头.按pn标识的法兰用垫圈的尺寸.第4部分:与钢法兰缘配用的波纹平的或开槽金属或填充的金属垫圈