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NOTE: This is an unformatted excerpt from our online fire protection training library.

Automatic Sprinkler Inspection, Testing & Maintenance

Deluge/Preaction Valves

Deluge and preaction systems both use deluge valves. The enclosure for a deluge valve must be inspected daily during cold weather. Unless the enclosure is equipped with a low building temperature supervisory switch. If building temperature supervision is provided, the enclosure inspection may be conducted weekly. Gauges on the deluge valve must be inspected weekly to verify proper system pressure.

On a monthly basis the deluge valve must be inspected for physical damage and water leaks. At the same time any valves in trim piping must be inspected to assure they are in the proper position. Any electrical components must also be inspected.

On a quarterly basis, the priming water level for the deluge/preaction valve must be checked.

The interior of each deluge valve must be inspected annually during the trip test. Deluge valves that can be reset without opening the valve must be internally inspected once every five years.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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