Please Let Me Know How Much You Like This (1 is very Bad - 10 is Excellent)

This video shows how a double acting air operated diaphragm pump works.

23 May 2013

Outstanding presentation, I give it a 10 for sure.

kelvin muasya
04 Oct 2015

well represented

Raja Kumar
03 Jan 2016

If there is a small pump, which can fit in to a 6 inch pipe, go deep

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