The forces created by the thermal expansion can be large enough to cause pipe bowing and buckling, damaged pumps, valves, pipe clamps and fixings and even fracturing of the pipe or damage to the steel or concrete structure of the building. Thermal expansion and contraction of pipework is one of the largest dynamic forces acting upon piped services.īecause piping systems often carry hot fluids, thermal expansion and the associated stresses must be carefully considered to avoid problems. It is natural for materials to expand in the heat and contract in the cold, and pipes are not immune to nature’s laws.
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