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The 7th annual convention of the National Association of Fire Engineers adopts a resolution calling for 2 + 1 ⁄ 2-inch hose couplings with 6 threads per inch and 3 13/64" OD, because it was the thread least liable to become damaged, the most easily handled, and least likely to become fouled with dirt or gravel. [1] 1882
A union also connects two pipes but is quite different from a coupling, as it allows future disconnection of the pipes for maintenance. In contrast to a coupling requiring solvent welding, soldering, or rotation (for threaded couplings), a union allows easy connection and disconnection multiple times if needed. It consists of three parts: a nut ...
Pipe coupling (copper sweat) In piping and plumbing , a coupling (or coupler ) is a very short length of pipe or tube , with a socket at one or both ends that allows two pipes or tubes to be joined, welded ( steel ), brazed or soldered ( copper , brass etc.) together.
Side view of a 1.5 to 2.5 inches (38 to 64 mm) adapter. National Hose thread (NH), also known as National Standard Thread (NST). It is the most common type of fire hose coupling used in the United States.
The 100 mm (4-inch) and 125 mm (5-inch) Storz couplers have been specified in NFPA 1963, Standard for Fire Hose Connections, since the 1993 edition. U.S. cities that have fire hydrants with 125 mm Storz connectors include Raleigh, NC [ 5 ] and the City of Corvallis, OR (adapter on 4-inch threaded outlet).
A 32-year-old woman has been arrested after allegedly bludgeoning her mother to death inside her own home, officials said. Burlington County Prosecutor LaChia L. Bradshaw and Willingboro Township ...
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