Tuesday, May 10, 2011

Centrifugal pumps (2)

Mechanical seal

Packed gland seal

The pump unit shown above relies on the driving motor bearings for alignment. For larger pumps a leaded bronze or brass bush may be fitted positioned just below the seal.For the largest pumps, especially those fitted with an inducer the shaft may be extended below the impeller fixing and a second bearing fitted . continued ..... 


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