| Moen (company) ： ウィキペディア英語版|
Moen is a product line of faucets and other fixtures started by inventor Alfred M. Moen that is now part of the Fortune Brands Home & Security company. The Moen subsidiary is headquartered in North Olmsted, Ohio. Moen was originally part of Ravenna Metal Products of Seattle, Washington. In 1956, it became part of Stanadyne, which was in turn acquired by Forstmann-Little & Company in 1988 and then purchased by the consumer-products holding company Fortune Brands. Fortune Brands then spun off its related product lines to form the Fortune Brands Home & Security company on October 3, 2011.
Most Moen kitchen, washbasin, and bathtub/shower faucets are of the single-handle design, and almost all have used the same basic water-controlling cartridge since the 1960s. Known as the Moen 1225, it is a plastic (older versions were brass) cylinder approximately 4 inches long by 3/4 inches in diameter. As the "engine" in most Moen single-handle faucets, it has undergone at least two revisions since its inception though newer versions remain compatible with older faucets. Pulling up the stem of the cartridge opens the water supply; rotating toward the left opens the hot water passages while rotating to the right opens the cold water passages (using the standard North American convention of the hot water control on the left).
Later Moen bathtub/shower controls with single handles use a larger cartridge with a pressure balancing mechanism which compensates for sudden pressure changes in either the hot or cold water supply (as caused by a toilet being flushed while someone is showering). The design goal is to maintain the temperature of the shower for safety and comfort reasons, even if the volume of water is reduced. The cartridge is known as the 1222. The operation is similar to the 1225 (above) though the cartridge is approximately 1 inch in diameter to allow space for the pressure balancing mechanism.
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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