Armstrong Unveils Expanded Range of DE Pumps with Permanent Magnet Motors

armstrong DE pump

Armstrong Fluid Technology has introduced an expanded range of Design Envelope Permanent Magnet pumps that are engineered to deliver 35-65% reduction in energy consumption compared to conventional integrated pumps with induction motors.

Available in mid-February with motors up to 60hp, these Design Envelope Permanent Magnet operate at NEMA Ultra-Premium efficiency levels that exceed the targets set by the US Department of Energy and the NRCan Office of Energy Efficiency. Design Envelope Permanent Magnet pumps feature smaller overall dimensions and are easier to install because permanent magnet motor technology delivers a substantial reduction in both size and weight. The more compact design also dramatically lowers embodied carbon, which improves sustainability.

Design Envelope technology also provides highly accurate flow metering (+/- 5%). This means contractors can avoid the cost of purchasing and installing flow meters for HVAC systems.

“Design innovations including permanent magnet motor technology, improved hydraulics and intelligent, connected variable speed control make these new Design Envelope pumps more energy-efficient and more cost-effective.” said David Lee, Offering Manager, Armstrong Fluid Technology. Armstrong’s patented Parallel Sensorless Control stages multiple pumps and regulates output for best efficiency across the entire pump array, saving up to 30% in operating costs.

For sustained performance and efficiency, Design Envelope Permanent Magnet pumps are available with Pump Manager, a cloud-based performance tracking service. Pump Manager provides industry-leading analytics and insights along with alerts, alarms and data storage to help owners make Active Performance Management a key part of their daily operating practices.


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