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Backstopping Clutches for Mine Water Pumps

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A global manufacturer of pumping systems needed a reliable clutch solution for use
on mine water pumps. The packaged system consisted of six electric motor driven
pumps connected to a manifold to transport water at a copper mine. Backstopping
clutches were required to prevent backflow when one or more of the pumps were
shut down. If left unprotected, water backflow would drive the impeller and motor in
the wrong direction, causing significant powertrain damage when the pumps were
re-started.

To meet the challenging requirements, Formsprag provided ball bearing supported
Model SB-600 backstopping clutches, designed specifically for pump applications.
The standard oil-lubricated SB-600 model has a compact length requiring only an
additional 3.2 inches between the motor and pump shaft with a 1,600 lb. ft.
(2176 Nm) torque capacity.

The Model SB (shaft bore) clutch was installed on the motor and pump in the
system to provide backstopping function. The SB clutch has an inner race that
features a bore on one side that will mount onto the motor shaft, and a male shaft
extending out from the other side that is connected to the pump shaft with
a coupling.

Altra Motion

Highlights

  • 1600 lb.ft. (2176 Nm) torque capacity
  • Oil-lubricated
  • Requires no adjustments or controls

See More from Altra Industrial Motion!

 

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