You often must tie together pipes of different materials with transition fittings. The materials in common use today — copper ...

Pipe flanges are protruding rims, edges, ribs, or collars used to make a connection between two pipes or between a pipe and any type of fitting or equipment component. Pipe flanges are used for ...

and as culvert pipes and DWV pipes for drain, waste, and vent applications. PVC pipe provides good flexibility, a smooth surface, and nontoxic qualities. Because PVC piping is inert, some grades are ...