This standard specifies the classification, structure, requirements, test methods, signs, labels, packaging, storage and transportation of narrow V-belts for general transmission (hereinafter referred to as narrow V-belts). The narrow V-belt specified in this standard is suitable for high-speed and high-power mechanical transmission, as well as general power transmission.
GB/T 12730-2008 Referenced Document
GB/T 11544 Belt drives.Classical and narrow V-belts.Dimensions (system based on datum width)*, 2012-12-31 Update