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// CODE SNIPPET

1208.7.1 Overpressure Protection

California Plumbing Code 2016 > 12 Fuel Gas Piping > 1208.0 Gas Piping System Design, Materials, and Components > 1208.7 Gas Pressure Regulators > 1208.7.1 Overpressure Protection

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Where the gas supply design pressure in piping systems located indoors exceeds 2 psi (14 kPa) and line pressure regulators are installed to reduce the supply pressure to 14 inches water column (3.5 kPa) or less, the following shall apply:

Regulators shall be provided with factory installed overpressure protection devices.
Overpressure protection devices shall limit the pressure downstream of the line pressure regulator to 2 psi (14 kPa) in the event of failure of the line pressure regulator. [NFPA 54:5.8.3]

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