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Advantages of screw pumps and Disadvantages of Propeller / Centrifugal Pumps
What is the difference between pumps?
How is the screw pump? Advantages of screw pump:
1. Wide range of flows and pressures
2. Wide range of liquids and viscosities
3. Built-in variable capacity
4. High speed capability for freedom of driver selection
5. Low internal velocities
6. Self-priming with good suction characteristics
7. High tolerance for entrained air and other gases
8. Minimum churning or foaming
9. Low mechanical vibration, pulsation-free flow, and quiet operation
10. Rugged, compact design - easy to install and maintain
11. High tolerance to contamination in comparison with other rotary pumps
Disadvantages of screw pump:
1. Relatively high cost because of close tolerances and running clearances
2. Performance characteristics sensitive to viscosity change
3. High pressure capability requires long pumping elements
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2 comments:
Hi, Thanks for the info. I thought the pump is very sensitive to wear products or debris?
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