Featured White Papers

Xylem study analyzes life-cycle cost of HVAC systems »

Xylem study analyzes life-cycle cost of HVAC systems Hydronic systems outperform VRF, analysis finds Introduction Upfront costs and energy consumption are primary drivers when selecting a commercial HVAC system in new and retrofit projects. A new study commissioned by Xylem underscores the importance of evaluating total life-cycle cost in the selection process to adequately identify

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Leveraging the power of parallel pumping »

Leveraging the power of parallel pumping Best efficiency staging achieved with technologically advanced controllers and variable speed drives Vince Lombardi’s Green Bay Packers were famous for their power sweep, and ran the play over and over again with great success. When opposing teams began making adjustments to stop the sweep, Packers quarterback Bart Starr read

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Helping engineers sort out PEI in pump selection and efficient system design »

Helping engineers sort out PEI in pump selection and efficient system design DOE energy rating includes constant load and variable load equipment Beginning Jan. 27, 2020, clean water pumps sold in the United States must achieve a minimum energy rating of 1.0 as outlined in the Energy Conservation Standards for Pumps established by the U.S.

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HVAC system design requires methodical assessment of the options »

HVAC system design requires methodical assessment of the options Engineers must evaluate safety, costs, efficiency of VRF versus hydronics   Rising energy costs and a movement toward sustainability are driving changes in the commercial HVAC market. As design engineers, building owners and mechanical contractors focus on increasing comfort and maintaining air quality while reducing overall

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Maximizing Pump Performance for Submersible Wastewater Pumps »

Presented by: Xylem Applied Water Systems Download PDF Motor design is key to the performance and service life of a pump. But determining the size of the motor required to drive the pump is something people often struggle with. This is especially true of wastewater submersible pumps. It’s a common assumption that you can use

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The Flushability of Flushable Wet Wipes »

Download PDF Whether used to remove cosmetics, clean a baby or wipe food and debris from the kitchen counter, a growing number of consumers are purchasing flushable wet wipes for their household needs. In fact, The Atlantic reported personal wet wipe sales reached an estimated $2.2 billion last year, and Euromonitor International’s market tracker predicts 3-percent

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Fire Codes: A Foundation of Safety for a Rapidly Changing World »

Download PDF Chief among these safety features is fire protection. There are myriad codes and regulations relating to fire safety in commercial buildings, from standards on portable fire extinguishers to the installation of stationary pumps for fire protection — the U.S.- based National Fire Protection Agency (NFPA) alone has more than 300 consensus codes that

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Ideal beverage pumping starts with space-saving solutions »

Streamlined BIB platforms also provide reliability and performance Presented by: Xylem Applied Water Systems Download PDF At a time when fountain installers and bottlers are asking their distributor partners in beverage dispense for the ideal pump for standard bag-in-box (BIB) applications; and restaurant, bar, gas station and convenience store owners and operators are seeking more

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Bell & Gossett introduces new hydronic pump selection criteria to maximize system efficiency »

Presented by: Xylem Applied Water Systems Download PDF Energy and maintenance expenses account for approximately 75 percent of the life-cycle costs of a centrifugal pump. With a growing emphasis on reducing energy consumption driven by government regulation and businesses seeking operational and financial efficiencies, HVAC system designers are seeking system solutions that maximize efficiencies while

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Horsepower on the pump curve »

Presented by: Xylem Applied Water Systems download PDF Now that the head capacity relationship along the X and Y axes of the pump curve has been established in Part 1 of this series, the pump curve can be used to determine the amount of horsepower required to meet the head and capacity requirements for the

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