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Thermal Effects In Plastic Piping Systems

From Hayward Flow Control Systems
 

 

Temperature effects on plastic piping systems should always be considered when the system is initially designed. As with all piping systems, the pipe changes length with changes in temperature. When a piping system is designed without enough directional changes to compensate for expansion or contraction, the movement can affect the performance of the system valves and, in many cases, generate external loads that can cause damage. Generally the system will have many bends in the pipe, minimizing the effects of temperature changes.


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Pipe fittings cover many components that connect pipe ends for in-line, offset, multi-port, and mounting configurations. Search by Specification | Learn more about Pipe Fittings

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Topics of Interest
Thermoplastic piping systems in aboveground service must be properly supported to avoid excessive stresses and sagging. Valves and other heavy piping components should be individually supported. (Read More)
As the system temperature increases, thermoplastics piping becomes less rigid, exhibits higher impact strength, and offers lower short- and long-term strength. The opposite effects take place as... (Read More)
The support scheme of a piping system is critical to its function and the equipment it is connected to. When equipment and piping increase in temperature, they expand; likewise, for cold temperatures,... (Read More)
It is not enough to just look at steady-state conditions, such as pressure drop, corrosion, erosion and distribution factors, when designing systems for fluid flow. Ignoring the effects of starting... (Read More)
After the piping and instrumentation diagram (P&ID) of a process design has been completed, the next step is stress analysis of the piping network. In past years, engineering or operating... (Read More)
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