1、 Errata NFPA 52 Vehicular Natural Gas Fuel Systems Code2016 Edition Reference: Various Errata No: 52-16-1 The Technical Committee on Vehicular Alternative Fuel Systems note the following errors in the 2016 edition of NFPA 52, Vehicular Natural Gas Fuel Systems Code. 1. Update the reference in paragr
2、aph 12.10.5 to read as follows: 12.10.5 The breakaway device in 12.10.4 shall be arranged to separate using a force not greater than 150 lb (68 kg) when applied in any horizontal direction. 2. Add missing text to read as follows: 15.3.4.3.3 The vent tube shall not be provided with any feature that l
3、imits or obstructs gas flow. 15.3.4.4* All vehicles shall be provided with a venting system to allow the high pressure portion of the CNG fuel system to be vented for service. 15.3.4.4.1 It shall not be required to break any connections while under pressure in order to vent the high pressure portion
4、 of the CNG fuel system. 15.3.4.4.1.1 A connection for an external vent system shall be provided. 15.3.4.4.2 The venting function shall be manually controlled. 15.3.4.4.3 All high pressure portions of the CNG fuel system shall be capable of being vented. 15.3.4.4.4 The vehicle manufacturer or system
5、 installer shall provide written venting instructions and specify any special tools needed for venting. A.15.3.4.4 The high pressure portion of the system are those portions that are exposed to fuel supply container pressure. Issue Date: September 14, 2016 (Note: Electronic products and pamphlet reprints may have this errata incorporated. For current information about the NFPA Codes and Standards, including this errata, please see www.nfpa.org/docinfo) Copyright 2016 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
