Model WAV-1 Alarm Check Valve is a wet pipe sprinkler system water supply check valve that makes possible the installation of sprinkler systems in buildings not subject to freezing temperatures. It is designed so that water pressure in the piping system will hold back water pressure at the valve until a significant flow of water occurs such as a sprinkler is activated.
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4" (DN100)
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6" (DN150)
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55lbs∕25kg
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75lbs∕34kg
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175 psig∕1.2 MPa (12 bar)
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100% @ 350 psig∕2.4 MPa (24 bar)
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Flange: Class 150 ANSI B16.1
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The trim sets for the Model WAV-1 Alarm Valve are arranged for rapid, easy and compact attachment, and serves as connection points to Alarm and other devices. The trim also serves as means for testing the operation of the alarm devices without causing the system to operate.
1. Constant Pressure Closed Drain
This trim set is used where water supply pressure does not vary, such as tank supplies. An automatic draining is provided to drain the mechanical sprinkler alarm line. This drain connection should be piped separately from the 2" (50mm) main drain.
2. Variable Pressure With Open Retard Chamber Drain
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