10 Questions You Should to Know about GFRP Piping

Please note, this is a technical article describing the steps to a successful FRP joint installation. If you are looking for information on RPS Field Service installation, please visit the Field Service page.

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In our previous article, we looked at basic principles for designing and fabricating supports for an FRP piping system. In this, our final article in the series, we are going to take a look at installation of FRP piping systems.

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While installation might not typically be considered as part of the pipe system design, it is such an important part of a successful system that we believe it needs to be emphasized here. Without doubt, more issues arise in FRP piping systems due to improper installation than due to any other single cause. There are a number of steps that must be followed to provide assurance that problems won&#;t arise later, and also to comply with the requirements of ASME NM.21.

10. What are the considerations for fire-protection of FRP?

Tyfo FRP products do not reduce the existing fire-rating of a reinforced concrete or masonry element (i.e., an existing 2-hour rated slab or wall, still retains that rating). When designing for intermittent loads such as seismic or blast, no special fire-protection is warranted. Some interior locations, such as a paths of egress, may require a Class 1/Class A flame and smoke rating as per ASTM E84. The Tyfo RR finish is often the best choice for these areas. When designing for gravity loads, the engineer-of-record (EOR) needs to check the nominal capacity of the existing element in comparison to reduced service loads. FRP systems used for structural strengthening should not be considered as contributing to the structural capacity during the fire event but there are thermal insulators that can be applied to protect them. Tyfo CFP coating is often the best choice for these areas.

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