Double Suction Centrifugal Pumps are Designed for HVAC Systems

Xylem Bell & Gossett has introduced its line of double suction centrifugal pumps designed for HVAC systems. The Series e-HSC features advanced hydraulics for performance and efficiency, along with a compact design for installation and maintenance ease.

The Series e-HSC features a compact design for installation and maintenance ease.
The Series e-HSC features a compact design for installation and maintenance ease.

The Series e-HSC simplifies B&G’s double suction pump portfolio and provides more system optimization to improve efficiency and increase energy savings. The product line also boasts a smaller footprint, which saves space in the mechanical room; its inline configuration enables simplified installation and maintenance in new or retrofit systems.

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. B&G’s online selection tool, ESP-Systemwize, helps choose the option that is the best fit for the installation.

A new volute design 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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