This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of air-cushion belt conveyors. This standard is applicable to fixed conveyors that use air cushions to support conveyor belts and transport bulk, granular, powdery and other loose materials or uniformly bagged and finished items. The working environment temperature is -25~+40℃. Mobile air cushion machines can also be used as a reference.