However , mechanical seal standards were generally buried in other standards such as DIN 24960 , ANSI B73 and API 610 .
By the late 1980 's , mechanical seals had been accepted as the preferred method for sealing rotating pumps for many years .
Mechanical seal standards were generally buried in other standards such as DIN 24960 , ANSI B73 and API 610 .
By the late 1980 's , mechanical seals had been accepted as the preferred method for sealing rotating pumps for many years .