Tag Archives: Double-wall piping

Understanding thermoplastic double-wall piping

As its name suggests, a double-wall piping system is essentially one piping system within another. The inner pipe is referred to as the ‘primary’ pipe, while the outer is the ‘secondary’ or ‘containment’ pipe. The goal of these double-wall assemblies is to create a failsafe system where the secondary piping would contain any leaked fluid if a failure occurred in the primary piping. Available in various materials, double-wall piping systems are ideal for many applications.

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