| 摘要 |
PURPOSE: An integrated alarm valve having a function of reducing pressure and a function of blocking water are provided to prevent damage to a sprinkling head and malfunction due to excessive pressure. CONSTITUTION: An integrated alarm valve having a function of reducing pressure and a function of blocking water is comprised of a lever(13), a rotating member(12), a spindle(9), a diaphragm(4), a spring(6), and a depressurization valve. The lever presses the disc of an alarm valve. A rotation member pushes the lever to be rotated. The spindle moves forward and backwards according to the rotation of the rotating member. The diaphragm is moved forward and backward with the spindle according to the pressure.
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