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2. Chlorinated polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Chlorinated_polyvinyl_chloride

   0.04–0.40: Mechanical properties ... Properties of CPVC and PVC Schedule 40 Schedule 80; CPVC PVC CPVC PVC Max. working pressure 450 psi (3,100 kPa) 450 psi (3,100 kPa)

3. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

4. Pipe (fluid conveyance) - Wikipedia

   en.wikipedia.org/wiki/Pipe_(fluid_conveyance)

   In North America and the UK, pressure piping is usually specified by Nominal Pipe Size (NPS) and schedule (SCH). Pipe sizes are documented by a number of standards, including API 5L, ANSI/ASME B36.10M (Table 1) in the US, and BS 1600 and BS 1387 in the United Kingdom. Typically the pipe wall thickness is the controlled variable, and the Inside ...

5. National pipe thread - Wikipedia

   en.wikipedia.org/wiki/National_pipe_thread

   The standard for Nominal Pipe Size (often abbreviated NPS, which should not be confused with the abbreviation NPS for the straight thread form standard) is loosely related to the inside diameter of Schedule 40 series of sizes. Because of the pipe wall thickness of Schedule pipe, the actual diameter of the NPT threads is larger than the Nominal ...

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   adapter spools (also called crossover spools), used on oilfields and pressure control, have different diameters, pressure ratings or designs at each end [11] adapters to convert NPT to BSP pipe threads are available [12] a fitting that connects threaded and non-threaded pipe [13] [14]

7. Barlow's formula - Wikipedia

   en.wikipedia.org/wiki/Barlow's_formula

   Barlow's formula (called "Kesselformel" [1] in German) relates the internal pressure that a pipe [2] can withstand to its dimensions and the strength of its material.. This approximate formula is named after Peter Barlow, an English mathematician.