GB/T 18377-2001 Translated English of Chinese Standard. GB/T18377-2001, GB33460: Requirements and measurement methods of catalytic converters for petrol vehicleshttps://www.chinesestandard.net, 11/02/2018 - 12 páginas This Standard specifies the technical requirements and test methods of catalytic converters for petrol vehicles. This Standard applies to catalytic converters for petrol vehicles. This Standard also applies to catalytic converter for fuel liquefied petroleum gas (LPG) vehicles. |
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6.5.1 horizontal thermal 6.5.3 vertical thermal abscissa accelerated ageing test air-fuel ratio characteristic airspeed assembly of catalytic carbon monoxide carry out test catalytic converter 60 closed air closed water connect the catalytic conversion coefficient converter shall ensure converters for petrol corresponding emission limits displacement and sealing endurance mileage engine during test engine see Figure equipment catalytic converter excess air coefficient greater than 3500 Horizontal thermal vibration inlet temperature leakage test load of pollutant maximum total weight measuring point Mount the catalytic nitric oxide NOx Open gas emission original equipment catalytic People’s Republic petrol vehicles preconditioned as specified pressure drops product passes 6.5.2 provisions of GB/T ratio characteristic test replacement catalytic converter sample specified in 6.4 Standard test as specified test conditions Test method test of 100 test of GB thermal vibration test total weight greater vehicle of maximum vertical thermal vibration vibration test bench Water quenching support water quenching test