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These water valves are operated by rotary handles. A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In ...
Choke valve, Butterfly valve used to limit air intake in internal combustion engine. (Not to be confused with choke valves used in industrial flow control, above.) Clapper valve: a type of check valve used in the Siamese fire appliance to allow only one hose to be connected instead of two (the clapper valve blocks the other side from leaking out)
During the 1920s, when Crane expanded overseas, the company was the world's leading manufacturer of valves and fittings. Company sales rose to over US$300 million per annum by the mid-1950s. In 1959, the Crane family sold their control of the company, and the new owners began to turn Crane into a global conglomerate that made aerospace ...
The SLI measures the angle and extension of the boom along with the load weight and compares this with the manufacturer's specifications to determine if the lift is safe. [ 2 ] A safe load indicator has the capability of detecting the angle, weight of load lifted, and ground radius of any lifting device.
The Crane Valve Company manufactured steel valves in the 1920s and 30s in the U.S. with swastika markings, using a symbol with the arms pointed to the right. [106] The Buffum Tool Company of Louisiana, Missouri manufactured "High Grade Tools for High Grade Workmen" from about 1909 to 1922. [107]
A gantry crane has a hoist in a fixed machinery house or on a trolley that runs horizontally along rails, usually fitted on a single beam (mono-girder) or two beams (twin-girder). The crane frame is supported on a gantry system with equalized beams and wheels that run on the gantry rail, usually perpendicular to the trolley travel direction.
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