The Design Envelope Vertical-In-Line Retrofit allows building owners to replace the moving parts of an installed Armstrong constant speed pump while retaining the existing pump casing, insulation, and ...

Description: The Series e-82 line delivers a roughly 40% space saving for parallel pumping installations and provides energy-efficient pumping for commercial HVAC and plumbing applications. The Series ...

THE DESIGN ENVELOPE IVS TWIN VERTICAL IN-LINE PUMP for commercial HVAC applications combines two variable speed rotating assemblies in one shared casing. Oct. 9, 2012 THE DESIGN ENVELOPE IVS TWIN ...