A list of Plumbing Industry Resources and links to technical information available on their websites.
Required wall dimensions for wall-hung plumbing fixtures.
Diagrams and descriptions of the different types of valves used in the design of plumbing systems.
Recommended slopes for drainage pipes and sewer pipes are discussed.
Steel Pipe
Pipe sizes are standardized in North America through Nominal Pipe Size (NPS). This article provides charts of pipe sizes (inside diameter, outside diameter, wall thickness, and weight) for steel, stainless steel, and PVC pipes.
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