Presentation Headline Arial 40pt; Title Case; May Be Up to ... - Sign In
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ROTARY LOBE Advantages<br />
•Metered flow rate<br />
•Pressures <strong>to</strong> 90 psig (really 40-50 psig)<br />
•Runs dry for 5-10 minutes<br />
•Compact<br />
•Low shear pumping<br />
•Low pulsations with screw ro<strong>to</strong>r design<br />
•Runs in either direction<br />
Disadvantages<br />
•High maintenance (3-4 times Npump)<br />
•Expensive initial & repair costs<br />
•High wear due <strong>to</strong> slip<br />
•Not rag friendly, requires a macera<strong>to</strong>r<br />
•Requires gearbox running 180 rpm or less<br />
•High starting <strong>to</strong>rque
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