butt fusion

noun

A technique for joining pipes by heating the pipe ends and then fusing them through pressure.

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Meanings

nounbutt fusion (uncountable)
  1. uncountableA technique for joining pipes by heating the pipe ends and then fusing them through pressure.

    Polyethylene pipe can be joined using a butt fusion process, which creates a reliable leak-free joint.

    2002, Arun K. Deb, Decision Support System for Distribution System Piping Renewal, →ISBN
    2 more examples

    Infrared butt fusion is quite similar to butt fusion with the key difference that the heating plate is considerably hotter (> 900°F, 480°C) and heat transfer is done entirely by radiation rather than by conduction.

    1997, Thomas Sixsmith, Reinhard Hanselka, Handbook of Thermoplastic Piping System Design, →ISBN, page 179

    This would not include butt fusion joints but would include failures in the mold seams of molded plastic fittings.

    2016, Michael D. Holloway, Spend Analysis and Specification Development Using Failure Interpretation, →ISBN, page 143
Cite this entry
APA

butt fusion. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/butt%20fusion

MLA

“butt fusion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/butt%20fusion. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “butt fusion,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/butt%20fusion.

Source: butt fusion on Wiktionary, CC BY-SA 4.0.