Armstrong In The Media Blog

Armstrong Launches New Models of Compass R Circulators with Dry Rotor Design

Written by Armstrong Fluid Technology | Aug 21, 2025 11:26:02 AM
As Seen On: impeller.net August 11, 2025

Armstrong Fluid Technology has introduced two new sizes, 40-85 and 60-50, of Design Envelope Compass R circulators. The Compass R is an energy-efficient variable speed dry-rotor circulator.

Designed to replace existing fixed-speed circulators, Compass R can be considered a universal energy upgrade for circulators in its capacity range and installation profile. Customers can purchase Compass R circulators to serve applications requiring up to 60 feet of head.

Commenting on the release of the two new models, Tanvir Rahman, Offering Manager, Standard Building Products, noted: “The Compass R offers an industry-leading feature set including a fully repairable dry rotor design, easy access for repairs changes and embedded Design Envelope variable speed technology. The new models will make these features available to more customers and a wider range of applications”

The new Compass R features include:

  • Permanent magnet motor with Design Envelope variable speed technology
  • Posi-start Technology ensures smooth start-up and pump protection
  • Bolt-for-bolt compatibility with wide range of installed circulators
  • Quick-release clamp that makes repairs easy
  • Reduced carbon footprint
  • Easy terminal block access
  • Optimized hydraulics with high-efficiency dry rotor design
  • Multiple control options, including Auto mode, simplify selection and commissioning