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 or parallel-pumping operation.
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 or Parallel Sensorless control. Controls enclosure UL type 12 or UL type 4X (outdoor applications). NEMA premium motors. Inside single-spring mechanical seals
Performance rangeUp to 1000 USgpm (63 L/s) flow; up to 140 ft (43 m) head
Temperature250o F (121o C)
Power Range0.33 hp to 7.5 hp (0.25 kW to 5.5 kW)
Size1″ to 8” (25 mm to 200 mm)
