Corresponding sizes of class 150 (aNSI B16.24) flange diameters and drilling templates are the same as those of the american Class 125 Cast Iron Flange Standard (aNSI B16.1) and of the american Class 150 Steel Flange Standard (aNSI B16.5).
英
美
- 與150磅級(美國國家標準協(xié)會(huì ) ansi B16.；24)法蘭直徑相對應的尺寸和鉆孔模板；其大小和形狀與美國125磅級鑄鐵法蘭ansi B16
