Adjustable pressure relief valve is used to relieve excess system pressure caused by surges or temperature changes in wet sprinkler systems and downstream of pressure reducing valve.
Available size
| Size | Relief pressure range (psi) | Working pressure (psi) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 | 175 ~ 310 | 310 | VC3911 (FM) |
| 3/4″ / DN20 | 175 ~ 310 | 310 | VC3912 (FM) |
| 1″ / DN25 | 175 ~ 310 | 310 | VC3913 (FM) |
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