A union for PVC pipe is a type of fitting that allows you to connect two pieces of PVC pipe together in a way that can be easily disconnected later if needed. It's like a coupling, but with a key difference: unions have a nut that can be unscrewed to separate the pipes without cutting or damaging them.
Features
 :- Easy to Disconnect and Reconnect.
- When properly tightened, unions provide a reliable, leak-free connection.
-  PVC unions are generally affordable and readily available.
- Installing a PVC union is relatively simple, requiring basic plumbing skills and tools.
Applications
 :- The primary use of a PVC union is to allow for easy disassembly of a section of PVC pipe without cutting or damaging the pipes.
- Used to connect PVC pipe to other types of piping materials, such as metal or CPVC.