- Couplings are one of the most simple and inexpensive types of PVC fittings1. They are used to connect or "couple" one part to another, usually permanently. They can connect pipe to pipe and pipe to fitting, and some of them even reduce so you can connect a small pipe to a large pipe or vice versa1.The two most common types of couplings used in PVC pipe systems are2:
- S couplings: slip, spigot or socket couplings used in systems where the pipe contains no threading. They must be connected using an adhesive for a solid fit.
- FPT couplings: female pipe thread couplings used in systems where the pipe contains threading.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Couplings are one of the most simple (and inexpensive) types of PVC fittings. They are a small part that connects or "couples" one part to another, usually permanently. They can connect pipe to pipe and pipe to fitting. Some of them even reduce so you can connect a small pipe to a large pipe or vice versa.www.pvcfittingsonline.com/resource-center/pipe-fitt…Of these, the S and FPT couplings are the two most common types used in PVC pipe systems. These designations refer to the way the coupling connects to the pipe. S couplings are slip, spigot or socket couplings. These are used in systems where the pipe contains no threading. They must be connected using an adhesive for a solid fit.www.pvcfittingsonline.com/fittings/schedule-40-pvc… PVC Pipe Couplings - McMaster-Carr
Coupling - PVC Fittings - The Home Depot
PVC Fittings - The Home Depot
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PVC Pipe and Fittings - Lowe's
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