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Rexnord® Addax® Composite Coupling

The Best Value for the Cooling Tower Industry!


Rexnord pioneered and introduced the first advanced composite couplings to the cooling industry in 1987.

With over 50,000 Rexnord Addax composite couplings installed on every continent around the world over the past 25 years, Rexnord has the most experience of any composite cooling tower manufacturer.

The benefits of Rexnord Addax include:

Extends System Life


Lightweight advanced composite materials used in Addax couplings increase the critical speed, reduce vibration and extend bearing life. When compared to alternative metal couplings, the Addax coupling reduces overhung bearing loads up to 80%.

Easy to Install


The advanced composite, full-floating centre section weighs less than 25% of a comparable steel spacer. Most Addax coupling assemblies weigh less than 45kg, often eliminating the need for cranes and special lifting equipment, assisting maintenance personnel in handling and installation.

Designed to your Specification


Addax couplings are designed specifically for the application and are made to order as per customer's specific applications.

Eliminates Intermediate Bearings


The rigid centre member and lightweight design of the Addax coupling span the distance from motor to gearbox, without intermediate support bearings.

The Rexnord Addax Composite Cooling Tower Coupling delivers the best value to the industry by providing excellent features such as:
  • Corrosion resistance
  • High-misalignment capacity
  • Excellent fatigue resistance
  • Low weight
  • Ease of installation
rexnord addax

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