Angle flange Standard. Flatflange: Specify hole pat-tern. If no drawing provided, flange will be blank.
角法兰标准。平板法兰：指定孔模。如果没有提供的图纸，法兰将为空白。
2
A sealing arrangement, which is particularly suitable for flatflange connections, has an annular, metallic base body (1).
一种密封装置，其特别适用于扁平的法兰连接，具有环形的金属主体(1)。
3
The present invention is the production process of steel flange blank, especially of flatflange, butt welded flange and prestressed pipe pile end plate flange.