Alarm pressure switch is used in wet, dry, deluge, and pre-action sprinkler systems indicating a discharge from sprinkler side, so to transmit the signal automatically to local alarm system and pump control cabinet.
Available size
| Application | Alarm response | Factory set | Ref. No. |
|---|---|---|---|
| Mainly in wet system | 4 ~ 20 psi, field adjustable pressure sensitivity | Respond at 4 ~ 8 psi on rising or falling pressure | V8510 |
| Mainly in dry system | 10 ~ 100 psi, field adjustable pressure sensitivity | Respond at 50 psi on rising pressure and at 30 psi at decreasing pressure | V8540 |
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