标准号:IS 9212-1979
发布日期:1979/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:a) Determines and limits the values of pressures in the compressed-air lines of road vehicles and lines used to ensure pneumatic connections between tractors and trailers, andb) Determines braking efficiency.1.1 It applies to vehicles for international commercial transport with trailers of a total loaded weight greater than 3·5 tonnes-force.1.2 It deals only with compressed-air braking devices with two lines, one service braking line and the other automatic braking line.