توضیحات :
NFPA 54 – National Fuel Gas Code
۲۰۲۱ Edition
Chapter 1 Administration
۱-۱ Scope.
۱-۱-۱ Applicability.
۱-۱-۱-۱ This code is a safety code that shall apply to the installation of fuel gas piping systems, appliances, equipment, and related accessories as shown in 1.1. l. l (A) through 1.1.l .l (F) .
(A)* Coverage of piping systems shall extend from the point of delivery to the appliance connections. For other than undiluted Liquefied petroleum gas (LP-Gas) systems, the point of delivery shall be the outlet 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 systems, the point of delivery shall be considered to be the outlet of the final pressure regulator, exclusive of line gas regulators where no meter is installed. Where a meter is installed, the point of delivery shall be the outlet of the meter.
(B) This code shall apply to natural gas systems operating at a pressure of 125 psi (862 kPa) or less.
(C) This code shall apply to LP-Gas systems operating at a pressure of 50 psi (345 kPa) or less.
(D) This code shall apply to gas-ai1- mixture systems operating within the flammable range at a pressure of 10 psi (69 kPa) or less.
(E) Requirements for pi ping systems shall include design, materials, components, fabrication, assembly, installation, testing, inspection, operation, and maintenance.
(F) Requirements for appliances, equipment, and related accessories shall include installation, combustion, and ventilation air and venting.
<< ادامه مطلب را در فایل پیوست مطالعه فرمایید >>
