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

Automatic Sprinkler Inspection, Testing & Maintenance

Valve supervisory switches

Completing the annual operating test of a sprinkler control valve will automatically test the function of the valve supervisory switch. Tests of the valve supervisory switch may be required more often in some facilities or jurisdictions.

This butterfly valve is equipped with a valve supervisory switch. Many newer butterfly valves have such a switch built into the valve by the valve manufacturer.

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

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