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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 ...
National Pipe Taper Fuel (NPTF, also called Dryseal American National Standard Taper Pipe Thread, defined by ASME B1.20.3) is designed to provide a more leak-free seal without the use of PTFE tape (often referred to by the popular brand name "Teflon") or another sealant compound. NPTF threads have the same basic shape but with crest and root ...
British Standard Pipe ( BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external ( male) thread with an internal (female) thread. It has been adopted as standard in plumbing and pipe fitting, except in North America, where NPT and ...
Pipe (fluid conveyance) Drain pipe of the Louvre. A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases ( fluids ), slurries, powders and masses of small solids.
Active. DIN 13-3. ISO general purpose metric screw threads – Part 3: Nominal sizes for 0,5 mm fine pitch threads; nominal diameter from 3,5 mm to 90 mm. Active. DIN 13-4. ISO general purpose metric screw threads – Part 4: Nominal sizes for 0,75 mm fine pitch threads; nominal diameter from 5 mm to 110 mm.
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. [ 3] where. : outside diameter.
Ductile iron pipe. Section of DICL pipe (ductile iron concrete lined), commonly used for utility water mains, showing iron casing, concrete lining, and textured polymer protective coatings on the inner and outer surfaces. Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. [1]
Iron Pipe Size (IPS or I.P.S.) pipe sizing system based on the inside diameter (ID) of pipe. It was widely used from the early 19th century to the mid 20th century and is still in use by some industries, including major PVC pipe manufacturers, as well as for some legacy drawings and equipment. The iron pipe size standard came into being early ...