ApplicationsHVAC-system pumping; general purpose pumping; industrial/process pumping (water or glycol based)
Armstrong Design Envelope Pumps with integrated controllers are OSHPD pre-approved!
DescriptionPipe-mounted 2-pump unit with integrated intelligent controls for space-saving installation, superior energy performance, and full redundancy during operation. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations.
Materials
Cast iron or ductile iron casing
Cast iron or bronze impeller
Sintered silicon carbide mechanical seal
ConfigurationOn-board Intelligent Variable Speed controls with Sensorless control. Controls enclosure UL type 12 or UL type 4X (outdoor applications). Available with NEMA premium motors for significant reductions in energy usage.
Performance rangeUp to 1,100 USgpm (69 L/s) flow; up to 100 ft head (30 m)
Temperature250oF (121oC)
Power Range1 hp to 7.5 hp (0.75 kW to 5.5 kW)
Size2″ to 6” (50 mm to 150 mm)
