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Storz is a type of hose coupling invented by Carl August Guido Storz [ de] in 1882 and patented in Switzerland in 1890, and patented in the U.S. in 1893 [1] that connects using interlocking hooks and flanges. It was first specified in standard FEN 301-316, and has been used by German fire brigades since 1933. (See German delivery hose article.)
Hose coupling. A selection of Storz hose couplings. A hose coupling is a connector on the end of a hose to connect (or couple) it with another hose or with a tap or a hose appliance, such as an irrigation sprinkler. It is usually made of steel, brass, stainless steel, aluminium or plastic . Due to the great variety of the designs and the number ...
Small tool primarily used to tighten or loosen hose couplings; can also be used as a prying tool or a gas key. [18] Special egress control device Locking device on doors used for delaying opening for short period (10–15 seconds) after release is pressed. Permitted as panic hardware in limited circumstances.
The report notes that sets of tools for rethreading existing hydrants and hose couplings are commercially available. 1935 American Standards Association publishes ASA B33.1-1935 standard for small hose couplings (1 ⁄ 2-inch to 2"). 1955 NFPA published standards for suction hose coupling threads. 1956
The fitting is known as a reducing coupling, reducer, or adapter if their sizes differ. There are two types of collars: "regular" and "slip". A regular coupling has a small ridge or stops internally to prevent the over-insertion of a pipe and, thus, under-insertion of the other pipe segment (which would result in an unreliable connection).
Cam and groove. Cam and groove is a kind of quick connect coupling usually used in industry. A cam and groove coupling, also called a camlock fitting, is a form of hose coupling. This kind of coupling is popular because it is a simple and reliable means of connecting and disconnecting hoses quickly and without tools.
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