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Case Studies & White Papers

Wyświetlanie 25 – 48 z 394

Hydronic systems: Technologically advanced and highly efficient In head-to-head comparisons, hydronics outperform VRF systems

This paper explores the operational performance and efficiency differences between variable refrigerant flow (VRF) HVAC systems and geothermal/hydronic pumping...

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

This paper explains the importance of using B&G’s Part Load Efficiency Value (PLEV) calculation when selecting centrifugal pumps for hydronic systems.

HVAC system design requires methodical assessment of the options. Engineers must evaluate safety, costs, efficiency of VRF versus hydronics

With heating and cooling among the largest costs in commercial buildings, HVAC system selection is an important component in both new construction and retro t...

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...

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...

Xylem study analyzes life-cycle cost of HVAC systems

Xylem study analyzes life-cycle cost of HVAC systems Hydronic systems outperform VRF, analysis finds. Upfront costs and energy consumption are primary drivers...

The Benefits of Stainless Steel Impellers in Double Suction Pumps

The newly designed Bell & Gossett e-HSC pump standardized on a stainless steel shaft and impeller. This paper outlines the benefits of stainless steel in...

The benefits of advanced seal chamber design in double suction pumps

The new Bell & Gossett e-HSC pump boasts an advanced seal chamber design. This paper outlines the benefits in reduced downtime this technology provides in...

There is no one-size-fits-all control strategy in variable speed pumping

An increasing emphasis on variable speed distributed pumping as a means to save energy in commercial buildings has provided engineers with many paths to...

Machine Learning Reduces Combined Sewer Overflow Volume And Helps Reduce A Consent Decree By $145 Million

Buffalo, New York
United States
At the turn of the century Buffalo was the 8th largest city in the U.S., a gateway for commerce and manufacturing due to its early embrace of hydroelectric...

Cuts real water loss by 1.7 million cubic meters annually using high-precision pipeline inspection technologies

EPAL
Lisbon, Portugal
Founded in 1868, EPAL is the oldest and largest bulk water company in Portugal, supplying services to 35 municipalities throughout the county. In Lisbon, EPAL...

Municipality uses inline leak detection technology to gather actionable data, avoid costly failures, and update alignment of wastewater pressure main

Rheda-Wiedenbruck
North Rhine-Westphalia, Germany
Rheda-Wiedenbruck is a community in the North Rhine-Westphalia state in Germany with a population of nearly 50,000 residents. In early 2019, the municipality...

Utility saves an average of 7 million gallons of water per day by utilizing innovative technologies to support their leak detection program

Dallas, Texas
United States
The Dallas water distribution system is one of the largest in the United States, with Dallas Water Utilities (DWU) providing water service to approximately 2.4...

City Takes Proactive Approach To Managing A Critical Raw Water Main Using Advanced Robotics Inspection Technology

City of Saint John
Saint John, New Brunswick, Canada
The City of Saint John (City) owns and operates more than 900 kilometers of water and wastewater piping in the province of New Brunswick, Canada, and provides...

Preventing Main Breaks With Advanced Inspection Technologies That Identify Stray Currents, Corrosive Soils, And Wall Loss

United States
This proactive wholesale drinking water supplier services a large growing population in the southern region of the United States. With a humid climate and a...

Digital Twin Technology Helps City Reduce Combined Sewer Overflow Volume By 247 Million Gallons And Save $38 Million In Capital Project Work

Metropolitan Sewer District of Greater Cincinnati
Cincinnati OH, USA
The Metropolitan Sewer District of Greater Cincinnati (MSD) serves an Ohio population of more than 850,000 spread out across 290 square miles. Like many large...

Artificial Intelligence Based Risk Solution Reduces Replacement Costs and Failures by Over 70%

United States
A mid-sized Mid-Atlantic utility with a reputation for taking a proactive and focused approach to continuously improving service reliability for their 270,000...

Why high performing utilities choose strategic valve rehabilitation

Utilities can save their communities substantial amounts of money, reduce the need for unaffordable rate increases or financing arrangements, and improve the...

Implementing a proactive approach to force main asset management

With advancements in technology and a willingness to develop proactive pipeline integrity programs, utilities can successfully reduce failures, mitigate risk,...

Advanced analytics deployed to identify customer metering inaccuracies reduce apparent water loss and plug revenue loss of over 4 million

Orange County, California
United States
This mid-sized utility located in Orange County, California has long been proactive in encouraging water conservation through regulations and outreach...

How to choose the correct speed control for heating systems

The time for single speed or three-speed pumps are over. High efficiency pumps are here. Aside from the higher motor efficiency, all modern pumps contain speed...

Pump cavitation and how to avoid it

Cavitation is not a new phenomenon that can impact a pump system, but it is an issue that is growing. While no official figures exist, it is not misleading to...

Flygt Concertor intelligent wastewater pumping system for hotels

4-star Hotel
Budapest Downtown
End user: 4-star hotel in Budapest downtown Challenge : Outdated wastewater pumps and continuous clogging Solution : 2 pcs Flygt Concertor® N80 wastewater...

Xylem Watermark teams with Water Well Trust to install new water well for Texas family

Nearly 25 years ago, Luis and Nancy Salazar moved their family to a small plot of land outside San Antonio, Texas, to be closer to relatives. Over time, the...