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New Design Envelope Tango Ensures Uninterrupted Service, Even During Maintenance

Armstrong Fluid Technology

New Design Envelope Tango Ensures Uninterrupted Service, Even During Maintenance

Armstrong has introduced new, larger sizes of the Design Envelope Tango, a compact, low-carbon dual pump that ensures uninterrupted service, even during maintenance. The Design Envelope Tango includes two motors and two impeller assemblies in a single casing. Integrated valves can isolate one side of the pump for service, without interrupting flow or affecting occupant comfort.

New sizes are now available with motors ranging from 15 to 40 horsepower and are capable of serving applications up to 2000 GPM or 160 feet of pressure.

Design Envelope Tango is a compact solution that reduces installation costs. Because the two rotating devices share a single casing, installation requires less piping. In addition, the Vertical In-Line orientation means the pump is installed in the piping and does not require an inertia base.

“Design Envelope technology includes patented Parallel Sensorless operation, increases flow turn-down and provides built-in flow metering for superior flow control. The energy-efficient design of the Tango reduces operating costs by up to 80% and lifecycle costs by up to 40%”, according to Zeljko Terzic, Offering Manager Pumps, Armstrong Fluid Technology.

The value of Design Envelope pumps is augmented by Pump Manager, a cloud-based service that provides smart analytics, diagnostics, and alerts to support HVAC system efficiency and extend product life. All Armstrong 360 Service and Support programs optimize the lifetime performance of HVAC systems.

About Armstrong Fluid Technology

In the shift toward digitalization and integration of fluid-flow systems, Armstrong leads the industry. With advanced solutions that leverage edge computing, IoT, machine learning, digital twin technology and demand-based control, Armstrong provides and protects efficiency in building mechanical systems, approaching energy optimization as a whole-building challenge and advancing the practice of full lifecycle management. Focusing on HVAC, Plumbing, Gas Transmission and Fire Safety applications, we provide energy-efficient, cost-effective solutions and performance management services to building and facility professionals around the world.

Armstrong Fluid Technology is committed to sustainability. In 2019, Armstrong signed the Net Zero Carbon Buildings Commitment, a program launched by the World Green Building Council. As a signatory to the program, Armstrong has pledged to ensure that all its offices and manufacturing facilities operate at net-zero carbon by the year 2030.

In April of 2024, Armstrong Fluid Technology celebrated the 90th anniversary of the company’s founding. Over its 90-year history, Armstrong has contributed to numerous iconic buildings and projects worldwide. Despite changes and growth, the company maintains a strong commitment to its original values of Community, Service, Learning and Innovation. Commenting on the 90th anniversary, Executive Chairman, Charles Armstrong stated, “As Armstrong Fluid Technology looks to the future, it remains dedicated to advancing intelligent fluid-flow technology, maintaining high standards of customer service, and promoting sustainability in its practices.”

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