作者: Claude Giroux , Gaston Veillette
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摘要: An automatic shut off valve for shutting the water supply to a building in case of detected leak. A conventional is provided with an apparatus rendering when has sliding stem projecting from body. The includes jacket adapted fit over body contain having roof normal axis and spaced end thereof plunger slidably mounted through extending coaxial connected stem. compression spring extends between urge retract close valve. lever member pivotally exteriorly jacket. cam head abutting extended retracted positions. retaining exterior pair arms outwardly therefrom one arm engaging first on retain position. third direction opposite second solenoid device which can be actuated pivot disengage means allowing