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Answer Posted / dineshkumar
basically there are two types.
1.positive displacement pumps
2.roto dynamic pumps
1. positive displacement p/p
a)reciprocating p/p
b)rotary p/p
i)gear p/p
ii) vane p/p
iii) lobe p/p
iv) screw p/p
2.roto dynamic p/p
i) centrifugal p/p
ii) special pumps (educator ..etc)
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