Wet Alarm Valve
The wet alarm valve is designed for applications where the water is unlikely to freeze. The water staying pressurized in the pipes is released over the fire area after the sprinkler is activated due to fire.
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Dry Alarm Valve
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Viking自動警報逆止閥動作演示(Viking automatic alarm check valve action demonstration)
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Sprinkler System Animation Alarm Valve activated
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System Activation: Viking Model F Dry System
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