HVAC-system pumping; general purpose pumping; industrial/process pumping (water or glycol based)
Armstrong Design Envelope Pumps with integrated controllers are OSHPD pre-approved!
Pipe-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.
On-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.
Up to 1250 USgpm (80 L/s) flow and 250 ft (75 m) head
1 hp to 40 hp (0.75 kW to 30 kW)
2" to 6” (50 mm to 150 mm)
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Lowest installed cost. Lowest operating cost.
Plate and Frame
Circuit Balancing Valves
(2” - 12”)
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