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Sloan Valve Company
Sloan Valve Company is a privately owned American company specializing in plumbing valves and fixtures.
==History==
The company was founded by William Elvis Sloan in Chicago, Illinois in 1906 with the introduction of the Royal flushometer, a valve to release a measured amount of water to flush a urinal or toilet. Initial sales were very poor: only a single Royal model flushometer was sold in 1906, and two were sold in 1907. Fortunately, in 1908, the company sold 150 units. Initially, potential customers were wary of adjusting to his invention. Even some plumbing fixture manufacturers wouldn't sell their products if they were furnished with Sloan's flushometers. However, the original 1906 design has proven so reliable that as of 2012, parts are still available to repair any flushometer ever made.
In addition to its flush valves based on diaphragm technology, Sloan also introduced piston-type flushometers, including the Crown and the GEM 2. A special piston-type flushometer, called the Naval, was built for marine applications. In 1976, Sloan introduced the Optima line of sensor-activated flushometers (the first few were installed at Chicago's O'Hare International Airport); battery-powered equivalents under the name Optima Plus followed in 1991. Sloan also now has solar-powered models with a battery back-up that operate using any artificial or natural light source.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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