The ST pump is
designed to pump a high discharged pressure as well as being able
of pumping liquids with entrapped air.
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A. The motor
chamber is filled with oil which lubricates the bearings and the
seal faces and assist in dissipation of heat.
B. Motor windings are manufactured in all standard voltages
for both 50 and 60 hertz power supply.
C. The waterway design provides cooling and permits
continuous operation without motor submergence.
D. The sealed oil filled motor chamber is fitted with a
moisture detector to detect water entering into the motor
housing.
E. Double mechanical seals are at submergence pressure (not
at discharge pressure). The internal lubrication causes pressure on
seal faces.
F. Top suction design eliminates air binding which allows
the pump to run dry and quickly re prime when required.
G. The twin volute design provides a balanced lateral thrust
for optimum operation of cantilever shaft.
H. High capacity matched angular contact pair thrust
bearings provide high capacity for the handling of high specific
gravity slurries.
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ADVANTAGES OF THE
TOP SUCTION DESIGN CONFIGURATION
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The design allows for fully, partial
and non-submerged conditions.
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The twin volute casing is designed to
balance hydraulic forces exerted on the pump shaft during
operation. This promotes extended bearing and mechanical seal
life.
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All the pumps can be supplied
certified to flameproof specification.
Submergence depth up
to 20m H2O
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All pumps have double mechanical seals
for improved sealing of the motor.
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Top suction design eliminates air
binding which allows the pump to run dry and quickly re prime when
required
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Dry run
