NFPA 31: 燃油设备安装标准
日期:2012-02-09 15:12
d residential occupancies.
Substantive changes and improvements in the 2011 edition include:
Expanded section on acceptable fuels for liquid fuel-burning appliances now includes biodiesel blends, biofuels, and recycled lubrication oil, in addition to No. 2 fuel oil.
Specifications for minimum thickness for different diameters of steel pipe vent connectors
Major revisions to Chapter 7, Liquid Fuel Tanks, to consolidate requirements for fill and vent openings; conform to leak testing and inspec
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10/31 16:13