GB 34659-2017: Translated English of Chinese Standard. GB34659-2017: Requirements and test methods relating to the spray suppression systems of motor vehicles and their trailers
https://www.chinesestandard.net, Mar 13, 2018 - Technology & Engineering - 25 pages
This Standard specifies the performance requirements and test methods of the spray-suppression systems of motor vehicles and their trailers.
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adjacent axle tires air/water separation type average percentage axles or multiple components deionized water device which meets driver’s cab edge of outer edge of rain edge of tires energy absorbing type Figure C.3 front edge peak greater than 300 guards and outer guards shall meet improved to 300 installed on vehicles let water spray lower edge maximum laden mass maximum-minimum percentage Measuring method meet the requirements multiple axles non-steered wheels nozzle opening is allowed outer valances percentage of water permissible maximum laden radius of tires rear edge peak requirements of 4.1 requirements of 220.127.116.11c retractable axle round of tests self-steered wheels Self-tracking axle single axles single test spray-suppression devices spray-suppression systems sprayer tank Standard steered or self-steered steered wheels suppression systems Technical requirements Test equipment test result test sample trailers type of spray type of spray-suppression vehicles of category vertical plane tangent water collection wheel center width of rain