A. The Screw Pump has the ability to handle
variable
capacity with a simple constant speed drive.
B. The Screw Pump operates at or above 70% efficiency
for 2/3 of its operating capacity.
C. There is no increase in pumping head caused by
deep influent wells which are required for centrifugal pumps.
D. There is less head required with a Screw Pump
which means lower horsepower because there are no friction losses
created by pipe, valves,
and fittings.
E. The Screw Pump is a true non-clog operation;
pre-screening
is not required.
F. The simplicity of the Screw Pump installation
provides reliable operation with little operator attention.
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