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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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Gene Vogel EASA Pump & Vibration Specialist
Submersible pumps are a common machine repaired in EASA service centers. Almost all submersible pumps have dual seals, an upper (inner) seal and a lower (outer) seal. The chamber between those two seals is the seal chamber and it will be filled with some type of barrier fluid. The most common barrier fluid is oil; although, some models (Figure 1) are designed with a glycol solution barrier fluid. The proper barrier fluid for each model of pump will be listed in the pump operation & maintenance (O&M) manual, and EASA’s primary recommendation is to use the specified fluid. When the fluid specification cannot be found or when the specified fluid is not available for the repair, there are some general guidelines to follow that are offered here.
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This 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.
This booklet covers topics such as:
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The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.
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Recommended Practice for the Repair of Rotating Electrical Apparatus This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.
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Revised May 2024 The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.
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