NFPA 54 国家燃气规范
日期:2012-02-08 15:32
let of the service meter assembly or the outlet of the service regulator or service shutoff valve where no meter is provided. For undiluted LP-Gas, the point of delivery shall be considered to be the outlet of the final pressure regulator, exclusive of line gas regulators, in the system. (B) The maximum operating pressure shall be 125 psi (862 kPa).
Exception No. 1 Piping systems for gasair mixtures within the flammable range are limited to a maximum pressure of 10 psi (69 kPa). Exception No. 2
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