Description
Alarm Check Valve is available in multiple sizes and configurations to match system requirements. Models range from 3” (80 mm) to 8” (200 mm) with maximum working pressures of 175 psi (12 bar) for larger sizes and 250 psi (17.5 bar) for selected models.
End connection options include flanged, grooved, or hybrid flanged/grooved designs. Trim packages are available for either electric alarms, hydraulic alarms, or combination systems. Additional accessories such as retarding chambers, water motor alarms, and pressure switches are available to create a complete fire alarm assembly.
Standard finish: Red RAL 3000 for high visibility and corrosion protection.
System Components
A complete Alarm Check Valve assembly includes:
- Valve body with clapper assembly
- Retarding chamber
- Water motor gong or alarm bell
- Electric pressure switch (optional)
- Standard trim assembly
- Drain and ball valves
- Pressure gauges and fittings
All components are precision-made for durability and seamless integration into wet pipe sprinkler systems.
Key Features of Alarm Check Valve
- One-Way Flow Protection—Prevents contaminated water from flowing back into the supply.
- Automatic Alarm Signaling—Activates alarms upon sustained water flow equivalent to a single sprinkler head.
- Surge-Resistant Design – The retarding chamber minimizes false alarms from pressure fluctuations.
- Multiple Configurations—Available in a range of sizes and connection types.
- Global Compliance—UL Listed and FM Approved models available.
- Robust Construction – Built from high-grade materials with corrosion-resistant finishes.
- Service-Friendly Design – Easy access to internal parts for inspection and maintenance.
