The most commonly used steel pipe for sprinkler systems is black steel pipe. Copper tubing is another piping material listed for sprinklers in NFPA 13. Also, plastic pipe (namely, CPVC and PEX tubing) is permitted for certain types of sprinkler systems.

Anvil International recently launched a 3D CAD library at its website featuring Gruvlok® Grooved Couplings, Grooved and Plain-end Fittings, Flanges, and Valves.

Mixing Valves Are Cops in the Hot Water System

Air Admittance Valves (AAVs) provide a sound alternative method to venting plumbing systems.

Red White Valve technical adviser Mark Stanhke examines why valves can fail in residential applications.