This line of Armstrong Integrated Pumping Systems has been discontinued. However, related data and documentation are still available for download below. Also, please see our current products for related applications at the bottom of this page.
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Design Envelope 11550 & 11000 Integrated Plant Control System (Legacy Product)
Design Envelope 9511 Integrated Plant Control System (Legacy Product)
Legacy Design Envelope Parallel Sensorless Pump Controller™
Design Envelope technology enables the greenest, most flexible and most cost effective fluid-flow and HVAC systems on the planet – resulting in both, lowest installed and lowest operating cost with the same equipment.