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Lyall transition fittings stands as a demonstration to innovative engineering, with over 4 million units that reliably serve the industry today.

These one-piece, factory-assembled fittings offer secure and economical connections between gas-carrying steel pipes and polyethylene pipes.

Unique among its peers, Lyall is the sole manufacturer providing two distinct transition sealing methods, enabling a broader range of configurations to precisely meet specific installation requirements. Our transition fittings are not only practical but also versatile, accommodating various installation scenarios with options like Beveled for Welding, Victaulic Groove, Threaded End, and 150 lb. Flange.

Key features of the Lyall transition fittings include proven reliability, as both designs are endorsed by the majority of natural gas, propane, and industrial fluids companies, affirming their dependable performance. They offer durability with either epoxy or primer coatings and a fusion bonded epoxy option that provides enhanced resistance to corrosion and mechanical damage. Safety is assured, with all welded joints undergoing 100% pressure testing to ensure robust, leak-proof connections.

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