---
title: Armstrong Launches New Models of Compass R Circulators with Dry Rotor Design
description: Armstrong Fluid Technology has introduced two new sizes, 40-85 and 60-50, of Design Envelope Compass R circulators.
---

[Armstrong In The Media Blog](https://blog.armstrongfluidtechnology.com)

# [Armstrong Launches New Models of Compass R Circulators with Dry Rotor Design](https://blog.armstrongfluidtechnology.com/armstrong-launches-new-models-of-compass-r-circulators-with-dry-rotor-design)

 Written by [Armstrong Fluid Technology](https://blog.armstrongfluidtechnology.com/author/communication) | Aug 21, 2025, 11:26:02 AM

As Seen On: [impeller.net](https://impeller.net/magazin/armstrong-launches-new-models-of-compass-r-circulators-with-dry-rotor-design/) 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

Also Seen On:

- [hpacmag.com ](https://www.hpacmag.com/products/armstrong-introduces-new-sizes-to-compass-r-circulators/)July 28, 2025 
- [aspe.org](https://aspe.org/pipeline/armstrong-launches-new-models-of-compass-r-circulators-with-dry-rotor-design/) August 18, 2025
- [contractingbusiness.com](https://www.contractingbusiness.com/product-news/product/55325473/armstrong-compass-r-circulators-expand-range-for-energy-efficient-retrofits) October 23, 2025

[View full post](https://blog.armstrongfluidtechnology.com/armstrong-launches-new-models-of-compass-r-circulators-with-dry-rotor-design)

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