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For hoses and piping, a quick connect fitting, also called a push fitting, is a coupling used to provide a fast, make-or-break connection of gas or liquid transfer lines. Operated by hand, quick connect fittings replace threaded or flanged connections, which require wrenches. When equipped with self-sealing valves, quick connect fittings will ...
A JIC bulkhead adapter, which converts National Pipe Thread ... JIC fittings, defined by the SAE ... 3, 4, 5, 8, and 10 share the same thread size. Some couplings may ...
An example of this is a "3 ⁄ 4-inch female adapter NPT", which would have a corresponding male connection of the same size and thread standard (in this case also NPT). Common piping and plumbing fittings
This coupling is used by Spanish firefighters, and is defined by Spanish Standard UNE 23400. [15] It is a sexless coupling with three engaging lugs, and is available in several different sizes, including Barcelona 25 (25 mm hose ID), Barcelona 45 (45 mm hose ID), and Barcelona 70 (70 mm hose ID). Suitable for delivery (pressure) only, not suction.
Garden Hose Thread first manufactured 1891 2 5/8, 2 3/4, 3, 3 + 1 ⁄ 2, 4, 4 + 1 ⁄ 2, 5, and 6 inches; all 8 tpi The National Association of Fire Engineers adopts a resolution calling for the use of 8 different diameters of couplings. 1898 Earliest effort by the NFPA to create fire hose coupling standards. [11] c.1901
Examples of adapters include one end BSP threaded with the other NPT threaded, and one end threaded with the other a plain socket for brazing. A coupling whose ends use the same connection method but are of different sizes is called a reducing coupling or reducer. An example is a 3/4" NPT to 1/2" NPT coupling.
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