Expansion & Drain Systems

An efficient design expansion and drain system is essential for hot oil systems. For an overview of how these systems work and why they are important, download our brochure.


  • System Components

  • Design Principles

  • And more!

Fill out the form to download your copy.

Expansion & Drain Systems
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Watch our corporate video. Get an inside look at our manufacturing facility and meet the team behind our products and services. Whether you need new equipment, service, technical support, training, parts, or retrofits, Sigma Thermal has you covered.

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