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.
Development
of renewable energy sources has taken big jumps throughout the world, according
to a 2007 global status report from The Worldwatch Institute.
Accommodating the challenge of pumping water in high-rise buildings
July 10, 2007
Few people ever think about how the water gets to the top floors of high-rise buildings for everyday living purposes. Yet each high-rise building’s plumbing design is just as important as any other aspect of construction. No matter how big and beautiful the building, it’s uninhabitable without water.
This article shows how to apply the analytical concept of hydraulic resistance to analyze the hydraulic and thermal performance of systems using "diverter tees."
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