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Piston pumps
Positive
displacement Pumps
Positive displacement pumps use mechanical
energy to transfer fluidPiston pumps
If the displacement is on the forward
stroke only then the pump is single acting. The pump shown displaces liquid on
the forward and return stroke and so is double acting.
This means that positive displacement
pumps are capable of delivering very high pressures.
These pressures can be much in excess
of the design pressure and so the pump must be protected by a relief valve.
Positive displacement pumps are
self-priming as the suction and delivery are positively separated during
pumping.
Axial Piston
Pump
 |
| radial piston pump |
5 comments:
Nice post thanks! I wonder if it applies to a piston pump like one of these: http://www.directindustry.com/industrial-manufacturer/piston-pump-60918.html
Fantastic and valuable post
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