Easily Account for Thermal Expansion and Contraction in System Design
Thermal expansion and contraction is a property of all piping materials, including both metals and thermoplastics. If left unaccounted for in piping system design, it can cause compressive stress on pipe and fittings, resulting in damage to residential plumbing systems.
Using a deflection mechanism, such as an expansion loop, is recommended to easily account for thermal expansion and contraction and safeguard the pipe against potential damage.
How the Expansion Calculator Works
Thermal expansion of a pipe is calculated using the formula ΔL = α * L0 * ΔT, or change of length equals the coefficient of thermal expansion time initial length of the pipe times change in temperature. Some piping material manufacturers offer a free thermal expansion calculator.
Enter in your pipe diameter, maximum and minimum temperatures, and pipe length. From there the calculator will deliver required expansion loop dimensions in both feet and inches.
To access the calculator, complete the form on this page.