Alarm Valve Model H
HD Alarm Valve acts as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. It is used to actuate a fire alarm during flow of water from the sprinkler system. Alarm Valve is UL Listed and FM Approved.
Description
- Ductile Iron material to ASTM - A536
- Flanged x Flanged, Grooved x Grooved and Grooved x Flanged available
- Rated for maximum 17.5 Bar (250 PSI) operating pressure
- Size: 80, 100, 150 and 200 NB
- Variable Pressure Trim with Retard Chamber and Water Motor Gong
- Constant Pressure Trim available as an option
- Epoxy painted internally & externally
- UL Listed and FM Approved
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Specifications
| Design Parameters | |
|---|---|
| Size | 100mm (4") |
| Mounting type | Vertical |
| MoC (Material of Construction) | |
|---|---|
| MOC - Body/All Parts | Cast Iron |
| Inspection Parameters | |
|---|---|
| Service Pressure | 17.5 Bar (250 PSI) |
| Finish | |
|---|---|
| Body | Red RAL 3001 |
| General | |
|---|---|
| Brand | HD FIRE |
| UL Listed | Yes |
| FM Approved | Yes |
| Model No. | H |
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