阀座：需使阀兰垫圈。

Seat Face: Negates need for flange gaskets.

youdao

为了确保正确进行阀兰连接安装，需要遵循如下几个步骤。

There are several steps to follow to make sure that a flanged joint will be properly assembled.

youdao

法兰连接：为了确保正确进行阀兰连接安装，需要遵循如下几个步骤。

Flanged: There are several steps to follow to make sure that a flanged joint will be properly assembled.

youdao