2 inch (5.08 cm) plumbing grade PVC pipes are. The female fitting should be sized just as large as the male fitting to get the right fit. If you buy a 1/2 inch thread and measure the diameter, it will measure over 1 inch because its designed to have a nominal pipe fitting. Theyre sized by the nominal size of the pipe, or the inner diameter. Real Outside Diameter (OD) (mm) 1 Inch = 25. Nominal Pipe Size Chart In Inches Size in Inch : OD : 5 : 5s : 10 : 10s : 20 : 30 : 40 : 40s : Std : 60 : 80 : 80s : XS : 100 : 120 : 140 : 160 : XXS : Size in Inch 1/8 : 0. The actual exterior diameter of a 1-1/2 inch PVC pipe is not 1-1/2 inches, but rather 1.90 inches (4.83 cm). Threads are sized just like the CTS fittings. For sizes from 1/8-inch through 12-inch, the NPS corresponds to the nominal inside diameter, but differs somewhat from its actual inside diameter. The table below cross-references the nominal dimension of a PIPE with its actual outside diameter. The DIPS pipe sizing system is the predominant sizing system used in potable water and sewer applications still today. Steel A500 Grade WELDED 1 SCHEDULE 40 Outside Diameter - 1.315Inside Diameter - 1.049Wall thickness - 0.133 Our Steel Pipes are cut as pieces or full. For example, a 1-1/2 pipe size actually has an outside diameter of 1.9 NOT 1.5. Pipes are identified by 'nominal' or 'trade' names that are loosely related to the actual dimensions. American Standard SizeĭIPS PIPE SIZES (INCHES) – (Ductile Iron Pipe Size based)ĭuctile iron pipe size, or DIPS, was created in 1948 when iron pipe wall thicknesses were more controllable and a required inside diameter (ID) could be maintained. IPS is still the predominant sizing system used in most industries including oil and gas gathering, gas distribution, mining, and some potable water and wastewater applications in the United States. Iron pipe size, or IPS, is the original pipe sizing system from the early 19 th century. IPS PIPE SIZES (INCHES) – ( Iron Pipe Size based) Threads are sized just like the CTS fittings.
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