This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of overload protection devices for hoisting machinery. This standard applies to overload protection devices (hereinafter referred to as "device") used in electric hoists, bridge cranes, gantry cranes, mobile cranes, tower cranes and jib cranes. Overload protection devices used in other types of lifting machinery can be Refer to use.
GB/T 4208 Degrees of protection provide by enclosure (IP code)
GB/T 8923.1 Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coa
GB/T 12602-2020 history
2020GB/T 12602-2020 Safety devices against over1oading for lifting appliances
2009GB 12602-2009 Lifting appliances-safety devices against overloading
1990GB 12602-1990 Lifting appliances--Safety devices against overloading--Safety technology code