Coupling Pipe Fittings – Types, Uses & Standards (2025 Guide)

Assortment of coupling pipe fittings in steel and brass, including half, full, reducing, and threaded couplings, displayed neatly on a light gray industrial surface.

Introduction to Coupling Pipe Fittings A pipe coupling is a short-length fitting used to connect two pipes together. It can join pipes of the same size or different sizes, and can be permanent (welded) or removable (threaded). Couplings are among the most versatile and widely used pipe fittings, playing a crucial role in plumbing, oil … Read more