注：为了方便客户安装要求，本表给定的数值系与蝶阀链接的标准法兰尺寸，简图中尺寸代号仅是其中一部分。

Note:In order to be convenient for the installation of clients, the numerical value, butterfly valvejoint standard flange size and size code in the table are only one part of them.

youdao

注：为了方便客户安装要求，本表给定的数值系与蝶阀链接的标准法兰尺寸，简图中尺寸代号仅是其中一部分。

Note:In order to be convenient for the installation of clients, the numerical value, butterfly valvejoint standard flange size and size code in the table are only one part of them.

youdao