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1316.2.1 Secondary Valve

California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1316.0 Station Outlets and Inlets > 1316.2 Required Valves > 1316.2.1 Secondary Valve

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The secondary valve (or assembly) shall close automatically to stop the flow of gas (or vacuum, if provided) when the primary valve (or assembly) is removed. [NFPA 99:5.1.5.4]

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