Plumbing fittings vary by size, purpose and material. You often must tie together pipes of different materials with transition fittings. The materials in common use today — copper, PVC and CPVC ...

ASA asks members of its Industrial Piping Division (those primarily doing business in the industrial/mechanical pipe, valves ...

Made by a handful of manufacturers, ProPEX expanding tools temporarily stretch the ends of PEX, allowing a fitting to be inserted before the pipe’s elasticity closes it again. This tightening ...