Discs are interchangeable which simplifies in-line maintenance and eliminates the need to custom fit the seats to the discs.
Discs are interchangeable which simplifies in-line maintenance and eliminates the need to custom fit the seats to the discs.
阀瓣都是可互换的，因此在线维护更加简单，避免了为阀瓣定制特殊的阀座的要求。