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 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). High-efficiency NEMA premium motors available. Inside single-spring mechanical seals.
Performance rangeUp to 1250 USgpm (80 L/s) flow and 250 ft (75 m) head
Temperature250oF (121oC)
Power Range1 hp to 40 hp (0.75 kW to 30 kW)
Size2″ to 6” (50 mm to 150 mm)
