Positive displacement pumps - for Slop oil service
Positive displacement pumps - for Slop oil service
(OP)
The contractor suggests for Gear pump instead of Screw pump for slop oil service ( from slop oil storage to mobile tankers filling ). The viscosity of the slop oil is 5 cP and the pumping capacity is 15 m3/hr at a disch. pr of 3 barg.
Is the contractor's claim is technically acceptable? Earlier they only was suggesting Screw pump ( probably they would have meant as progressive cavity pump)but not clear why they are now suggesting Gear pumps... Could be cost?
Thanks to advise.
Is the contractor's claim is technically acceptable? Earlier they only was suggesting Screw pump ( probably they would have meant as progressive cavity pump)but not clear why they are now suggesting Gear pumps... Could be cost?
Thanks to advise.





RE: Positive displacement pumps - for Slop oil service
Why the change of mind? No idea, but cost is a possibility.
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: Positive displacement pumps - for Slop oil service
Is my information sufficient?
Thanks in advance
RE: Positive displacement pumps - for Slop oil service
Only by comparing data sheets could you see which one is more efficient.
The detail designer must have some reasons, but what they are isn't clear. WE all have personal experience and preferences and if it does the same duty it doesn't really matter as far as I can see.
The only issue I can see is whether there are solid bits in the "slop", which is a very vague description of a fluid. If there are then you really want a progressive cavity pump which is not a screw pump. A gear pump really doesn't like grit and solid bits.
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: Positive displacement pumps - for Slop oil service
POwer and Water Engg
RE: Positive displacement pumps - for Slop oil service