

Both the DE 4200H and DE 4280 Series include Armstrong Design Envelope technology, with easy-to-use Sensorless control and enhanced connectivity to BAS to achieve significant efficiency improvements. The DE 4200H pumps are supplied with split-couplings and outside balanced seals while the DE 4280 pumps use a close-coupled design.
“Drawing on the strength of Design Envelope technology, these horizontal DE pumps can reduce pumping costs by up to 70%, and lower installed costs.” says Lex van der Weerd, CEO of Armstrong Fluid Technology.
Some of the other innovative features include:
Design Envelope (DE) technology has saved building owners millions of dollars worldwide. These new pumps are designed to further increase building owners’ energy savings while supporting sustainable operating practices.