This standard specifies the classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage of concrete mixers. This standard applies to periodic concrete mixers (hereinafter referred to as mixers) with a nominal capacity of 6000L or less (including 6000L). The mixer used in the concrete mixing plant (building) should also be used as a reference.
GB/T 9142-2000 history
2021GB/T 9142-2021 Building construction machinery and equipment—Concrete mixer