T&B's non-metallic expansion/deflection couplings ruggedize RTRC fiberglass raceways

Oct. 15, 2015
Contractors now have the option of using T&B’s non-metallic expansion/deflection couplings in applications that require the strength and light weight of fiberglass.

The T&B Fittings Non-Metallic Expansion/Deflection Couplings from Thomas & Betts (T&B), developed for polyvinylchloride (PVC) systems, are noew compatible with fiberglass raceway, also known as reinforced thermosetting resin conduit (RTRC), when bonded with methacrylate adhesive.

“The use of a methacrylate adhesive has enabled the expansion of the couplings’ applications beyond PVC systems to include RTRC systems,” comments Ralph Donati, product marketing director at T&B. “Contractors now have the option of using T&B’s non-metallic expansion/deflection couplings in applications that require the strength and light weight of fiberglass. Their use with RTRC has been successful in pullout and water-tightness testing.”

The company says its T&B Fittings Non-Metallic Expansion/Deflection Couplings provide flexible connections of PVC and fiberglass conduit runs that resist moisture ingress and stress caused by movement at structural joints. They safely accommodate axial or parallel movement of up to ¾ inch, and angular deflection up to 30 degrees from the relaxed position.

The couplings may be used indoors or outdoors, for direct burial or embedded in concrete, and where a raceway crosses a structural joint intended for expansion, contraction or deflection in buildings, bridges, parking garages, piers, hospitals, and water and waste water treatment plants. They are NEC compliant and UL approved.

Thomas & Betts Corporation, a member of the ABB Group, is a global leader in the design, manufacture and marketing of essential components used to manage the connection, distribution, transmission and reliability of electrical power in utility, industrial, commercial, and residential applications.

For more information, visit www.tnb.com and look for T&B® on the “Brands” tab, or call (800) 238-5000.

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