NFPA 54 国家燃气规范
日期:2012-02-08 15:32
fuel gas.
Other major changes improve safety and facilitate Code application
New bonding clamp location for CSST clarifies bonding requirements added in the 2009 edition of the Code.
Added overpressure protection for 2 psi (14 kPa) regulators improves convenience for designers and installers at industrial sites.
Two new tables make it easier to size schedule 40 steel pipe for higher pressure drops in natural gas service.
Expanded sizing tables are provided for natural gas and propane polyet
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