Products Description


Wet Alarm Check Valves
Wet alarm check valves serve a crucial role in fire protection systems. They are installed on the main fire protection water supply and help to prevent backflow or contamination of the water supply, while also providing a visual and audible alarm in the event of a water flow activation. Wet Alarm Check Valves are an important component for ensuring reliable and effective fire protection in buildings and other structures.
The design of it is such that they are installed in a wet pipe fire sprinkler system. This means that water is constantly present in the piping, which allows for faster response to a fire. When a fire sprinkler activates, the Alarm Check Valves will open and allow water to flow to the activated sprinkler head. At the same time, an alarm will sound, notifying building occupants and emergency responders that a fire is present.
Products Parameters
Wet Alarm Check Valves is FM certified,Size 4" or 6",Inlet and Outlet connection style is flange,175psi/1.2Mpa is its Max.Working Pressure,The valve should be installed vertically on wet-pipe sprinkler systems with constant pressure or variable pressure water supplies. The valve is made suitable for use on variable pressure water supplies by adding the optional retard chamber to the standard trim.The valve is available with a flanged inlet and flanged outlet or with a grooved inlet and grooved outlet.
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Size
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4" (DN100)
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6" (DN150)
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Inlet Connection Style
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Flange
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Flange
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Outlet Connection Style
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Flange
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Flange
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Shipping Weight
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55lbs∕25kg
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75lbs∕34kg
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Max. Working Pressure |
175 psig∕1.2 MPa (12 bar)
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Factory Hydro Test
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100% @ 350 psig∕2.4 MPa (24 bar)
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Standard Finish
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Red Painted
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Flange Specification
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Flange: Class 150 ANSI B16.1
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Required Accessories
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Standard Trim
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Optional Accessories
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Retard Chamber, Water Motor Alarm, Alarm Pressure Switch
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Installation Manner
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Vertically
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Listings and Approvals
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FM APPROVAL
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FAQ

Common Problem
What is Wet Alarm Check Valve?
A wet alarm check valve is a mechanical device used in fire protection systems to prevent water backflow and to ensure that water is immediately available when needed. It is a type of valve that combines the functions of both a check valve and an alarm valve in a single unit.
How does Wet Alarm Check Valve work?
The wet alarm check valve works by constantly monitoring the water pressure in the fire sprinkler system. When a fire occurs, the pressure drops and the valve opens, allowing water to flow into the sprinkler system and onto the fire. At the same time, the alarm valve triggers an alarm, alerting the occupants to the danger and alerting the fire department to the location of the fire.
Does Wet Alarm Check Valve require regular maintenance?
Wet Alarm Check Valve needs regular maintenance and inspection to ensure that it is working properly. Maintenance includes cleaning, checking whether the pipes are clean, whether the valves are working properly, whether there are leaks, and so on. Regular maintenance ensures the reliability and effectiveness of the Wet Alarm Check Valve, as well as the timely detection and repair of any problems that may arise.
What are the advantages of Wet Alarm Check Valve??
The advantages of Wet Alarm Check Valve include: automatically detect whether the water flow is normal, automatically trigger the alarm, high reliability, can react quickly, suitable for a variety of different types of buildings, and so on. Using Wet Alarm Check Valve can greatly improve the efficiency and reliability of automatic fire alarm systems, thereby protecting people and property in buildings.
Contact us
Dear Customer, welcome to contact us
Our address
Nan'an City, Quanzhou City Fujian PRC-China
Phone Number
+86 177 5086 9603
sales7@forede.com

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