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Armstrong’s Vertical In-Line Pump Range

2 min read

Armstrong’s highly sought-after pumps are now available at Masterflow!

We are now distributing Armstrong pumps, expanding our product range to include these pumps that are known for reaching maximum efficiency.

Original Series 4300 Vertical In-Line Pumps

The Series 4300 Pump is Armstrong’s original vertical in-line pump, offering all the traditional advantages, including:
– No inertia base required
– Less installation time required
– Highly efficient performance
– Less plantroom space required compared to close-coupled and long-coupled horizontal pumps.

Design Envelope Series 4300 Vertical In-Line Pumps

These pumps incorporate Armstrong’s latest Design Envelope innovation with the original Series 4300 Pump to deliver unmatched performance.


They save space and installation time while providing best-in-class energy efficiency.
Experience reduced operating costs and remarkable reliability with Design Envelope Vertical In-Line Pumps.

Design Envelope TANGO Twin Vertical In-Line Pumps

The TANGO series takes the vertical in-line pump to the next level.
This configuration offers double the power and precision by combining the performance of two pumps in one compact design.


You get extraordinary energy efficiency without compromising on space.

About Armstrong

Armstrong pumps, known globally for their cutting-edge technologies and industry-leading solutions, have consistently set the standard for energy-efficient pumping systems.

Their Vertical In-Line Pump Configurations have become known for their low maintenance, space-saving design, and superior performance.

Whether you’re aiming to reduce operational costs, enhance sustainability, or improve system performance, these Vertical In-Line Pump Configurations from Armstrong will be the key to reaching your objectives.

Our Promise

Masterflow’s commitment to providing you with the best products in the market has never been stronger.

Our collaboration with Armstrong strengthens our vision of delivering barrier-breaking technologies that help smash every plantroom’s efficiency and performance goals.

Request a quote for any of these 3 pumps by emailing [email protected].