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Plumbing News
Bell & Gossett launches Series
e-HSC double suction centrifugal pump.
 Xylem
Bell & Gossett introduced its new line of double suction centrifugal
pumps designed specifically for HVAC systems. The Series e-HSC
features advanced hydraulics for powerful performance and
best-in-class efficiency, along with a compact design for easier
installation and maintenance.
“With its robust hydraulic capabilities, the Series e-HSC is ideal
for large capacity, high-head systems with high inlet pressure, a
common challenge in commercial HVAC systems,” said Alan Jones,
Global Product Manager, Bell & Gossett Centrifugal Pumps. “The
versatile Series e-HSC is available in up to 90 model options with
extensive flow/head coverage to suit of wide variety of HVAC system
requirements.”
The Series e-HSC simplifies B&G’s double suction pump portfolio and
provides greater system optimization to improve efficiency and
increase energy savings. The product line also boasts a smaller
footprint, greater reliability and lower life cycle cost compared to
similar pumps. In addition to saving space in the mechanical room,
the e-HSC’s inline configuration enables simplified installation and
maintenance in new or retrofit systems. Story continues below
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The Series e-HSC is
suitable for commercial buildings such as hospitals,
shopping centers and malls, hotels and resorts, sports
arenas, office buildings and airports for systems that
require chillers, cooling towers, distributive pumping,
district heating and cooling, primary and secondary pumping
or process application. Choosing the option that is the best
fit for the installation is easy through B&G’s online
selection tool, ESP-Systemwize™.
A new volute design — either single or dual volute based on
the hydraulic constraints — extends bearing life and reduces
shaft deflection within the Preferred Operating Range (POR)
of the pump, from 70 to 120 percent of the Best Efficiency
Point (BEP). When running within the POR of the e-HSC,
bearing life expectancy will exceed 100,000 hours (L10). The
e-HSC is designed with large “Efficiency Islands,” within
the POR as well, which help to increase efficiency at
partial loads using variable frequency drives.
The e-HSC is equipped with mechanical seals customized for
HVAC applications that support a variety of installations
regardless of incoming pressure. Due to the standard spacer
coupling, routine maintenance of mechanical seals and
bearings can be performed on both sides of the pump without
opening the upper casing, reducing downtime and cost.
Casings are available in cast iron or ductile iron, along
with standard option materials for the impeller, shaft and
wear rings.
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