This standard specifies the requirements, testing, marking, packaging, transportation and storage of air spring rubber bladders for railway vehicles and the terminology involved. This standard applies to air spring rubber bladders for railway vehicles. Air spring rubber bladders for other rail vehicles such as subways, light rails, EMUs, etc. can be implemented as a reference.
HG/T 3749-2004 history
2004HG/T 3749-2004 Air spring for railway rolling stock Rubber bellows