Connecting Different Size Pvc Pipes

Connect pvc water pipes of different sizes with a reducing bushing.

Connecting different size pvc pipes.

Abs to pvc threaded fittings. There are three common types of plastic plumbing pipe. You don t need a pvc primer with black abs pipe. Each requires a different kind of solvent cement.

Choose one that has an outside diameter equal to the diameter of the larger pipe and an inside diameter equal to the diameter of the smaller one. Steel pipe and conduit have the same outside diameters as the corresponding pvc pipe sizes and are size compatible but are not recommended for use with pvc joints fittings as there is no way to connect the steel pipe to the plastic pvc fitting. The white or beige pipes pvc and cpvc also require a primer. Pvc cpvc and abs.

Apply pipe thread tape before screwing them together and then glue the pipes into the fittings using the proper cement. One inexpensive method of connecting abs to pvc drainpipes is to use male and female fittings. A coupling can be a reducer or reducing coupling meaning they reduce flow by joining a larger pipe to a smaller size. Avoid universal solvent cements.

Coupling adapter fittings pipe couplers slip over the outside of two pipes to connect them usually permanently. It fits inside a coupler glued to the larger pipe and has a hole into which you can insert the smaller one.