--- title: WEG Cooling Tower Motors Are Available with AEGIS Installed description: The inside of a cooling tower is a severe environment. It's even more severe for electric motors run by variable frequency drives. AEGIS Rings can help. image: https://blog.est-aegis.com/hubfs/Imported_Blog_Media/weg-cooltower-300x263.jpg --- [![Electro Static Technology](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/electro-static-technology.svg "Electro Static Technology")](https://www.est-aegis.com/) [![Aegis](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/Aegis.svg "Aegis")](https://www.est-aegis.com/) - [+1 866-738-1857](tel:+1%20866-738-1857) - [Products](https://www.est-aegis.com/products/) - [AEGIS® SGR – for motors under 500 HP/375 kW](https://www.est-aegis.com/product/sgr/) - [AEGIS® uKIT – for common NEMA/IEC frame size](https://www.est-aegis.com/product/sgr-ukit/) - [AEGIS® RPPR – for reactor recirculating pumps](https://www.est-aegis.com/rppr-resources/) - [AEGIS® EV and EVO Rings - for electric vehicles](https://www.est-aegis.com/product/ev-evo-rings/) - [AEGIS® PRO Series – for motors over 300 HP/225 kW](https://www.est-aegis.com/product/pro-series/) - [Shaft Voltage Testing and Accessories](https://www.est-aegis.com/product/mounting-accessories/) - [Online Product Catalog](https://catalog.est-aegis.com/) - [AEGIS® 2-Year Extended Warranty](https://www.est-aegis.com/product/extended-warranty/) - [Applications](https://www.est-aegis.com/applications/) - [Electric Vehicle Solutions](https://www.est-aegis.com/applications/electric-vehicle-solutions/) - [Food & Beverage](https://www.est-aegis.com/applications/food-beverage/) - [HVAC](https://www.est-aegis.com/applications/hvac/) - [Industrial & Chemical](https://www.est-aegis.com/applications/industrial-chemical/) - [Other Industries](https://www.est-aegis.com/applications/other-industries/) - [Power Generation & Renewable Energy](https://www.est-aegis.com/applications/power-generation-renewable-energy/) - [Transportation](https://www.est-aegis.com/applications/transportation/) - [Water Treatment](https://www.est-aegis.com/applications/water-treatment/) - [Bearing Protection](https://www.est-aegis.com/bearing-protection/) - [Shaft Voltage & Bearing Currents](https://www.est-aegis.com/bearing-protection/shaft-voltage-and-bearing-currents/) - [Fluting & Bearing Inspection](https://www.est-aegis.com/bearing-protection/fluting-and-bearing-inspection/) - [Best Practices & Installation](https://www.est-aegis.com/bearing-protection/best-practices-and-installation/) - [Resources](https://www.est-aegis.com/resources/) - [AEGIS® Bearing Protection Handbook](https://www.est-aegis.com/resources/handbook/) - [IEEE-841, Hazardous Locations, & AEGIS®](https://info.est-aegis.com/technical-codes-and-ieee-841-standards) - [Recorded Webinars Library](https://www.est-aegis.com/resources/recorded-webinars/) - [Installation Instructions](https://www.est-aegis.com/resources/installation-instructions/) - [Videos](https://www.est-aegis.com/resources/videos/) - [Technical Papers](https://www.est-aegis.com/resources/technical-papers/) - [Case Studies](https://www.est-aegis.com/resources/case-studies/) - [Specifying AEGIS®](https://www.est-aegis.com/resources/specifying-aegis/) - [Request Training](https://www.est-aegis.com/resources/training/) - [Product Sheets](https://www.est-aegis.com/resources/product-sheets/) - [About](https://www.est-aegis.com/about/) - [News](https://blog.est-aegis.com/) - [Tradeshows](https://www.est-aegis.com/about/tradeshows/) - [Blog](https://blog.est-aegis.com/) - [Where to Buy](https://www.est-aegis.com/where-to-buy/) - [Distributors](https://www.est-aegis.com/where-to-buy/distributors?type=Distributor) - [Trained Installers](https://www.est-aegis.com/where-to-buy/installers?type=Installer) - [Explosion Proof Installers](https://www.est-aegis.com/where-to-buy/installers?type=Explosion%20Proof%20Installer) - [Motors & Seals with AEGIS® Installed](https://www.est-aegis.com/where-to-buy/oems-with-aegis/) [Contact Us](https://www.est-aegis.com/contact/) - [+1 866-738-1857](tel:+1%20866-738-1857) # WEG Cooling Tower Motors Are Available with AEGIS Installed [Home](https://www.est-aegis.com/) » [Blog](https://blog.est-aegis.com/) » WEG Cooling Tower Motors Are Available with AEGIS Installed [AEGIS](https://blog.est-aegis.com/author/estaegis) Jan 31, 2019 Severe duty is standard with [WEG W22 motors](https://www.weg.net/catalog/weg/US/en/Electric-Motors/AC-Motors---NEMA/General-Purpose-ODP-TEFC/TEFC-Cast-Iron/W22/c/MT_3PHASE_LV_TEFC_W22_CI).  There are not many environments more severe than cooling towers, whose heat and moisture can quickly corrode less robust motors.  But WEG W22 Cooling Tower Motors are more than up to the task, from their cast iron TEFC frames for efficient heat dissipation, to their doubly sealed bearings, to the Class H-insulated magnet wire that protects the motor windings from damage by variable frequency drive output. But drives can damage motor bearings as well as windings.  That's why WEG has introduced a mod option to add an [AEGIS® Shaft Grounding Ring](https://www.est-aegis.com/product/sgr/).  Without shaft grounding, motors run by drives may fail due to stray currents arcing through the bearings.  But with shaft grounding, those currents pass safely through the grounding ring rather than the bearing.[![WEG W22 Cooling Tower Brochure](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/weg-cooltower-300x263.jpg?width=300&height=263&name=weg-cooltower-300x263.jpg)](https://static.weg.net/medias/downloadcenter/heb/h3d/WEG-w22-cooling-tower-us2065-brochure-english.pdf) WEG W22 Cooling Tower Motors also come standard with: - A stainless steel nameplate, laser etched for high contrast - Epoxy paint, inside and out - Umbrella seals for IP55 ingress protection - Class H impregnation resin & magnet wire, and the remaining insulation Class F - 1.25 service factor - Multiple endbell drainplugs to allow horizontal or vertical operation To learn more about WEG W22 Cooling Tower Motors, see [this brochure](https://static.weg.net/medias/downloadcenter/heb/h3d/WEG-w22-cooling-tower-us2065-brochure-english.pdf).  [Motors with AEGIS Installed](https://blog.est-aegis.com/tag/motors-with-aegis-installed) ### Subscribe To Our Blog ## Read On ### [Two Superior Choices: WEG Cast Iron & Rolled Steel Motors with AEGIS Inside](https://blog.est-aegis.com/two-superior-choices-weg-cast-iron-rolled-steel-motors-with-aegis-inside?hsLang=en-us) WEG stocks NEMA Premium-Efficiency rolled steel and cast iron motors with AEGIS® Shaft Grounding... ### [Shaft Grounding is Key in Sustainable Building](https://blog.est-aegis.com/shaft-grounding-key-sustainable-building?hsLang=en-us) AEGIS Rings have worked for years to improve reliability and sustainable operatuion of HVAC and... ### [WEG Electric Innovation - the W22 Magnet Drive System](https://blog.est-aegis.com/weg-electric-innovation-w22-magnet-drive-system?hsLang=en-us) WEG Electrics's new W22 Magnet Super Premium motors meet the IE4 efficiency levels according to IEC... 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