This standard specifies the models and parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of hollow guide rails for elevators and hollow guide rail connectors for elevators. This standard is applicable to heavy-duty guide rails and connectors in elevators without safety gears.
JG/T 5072.3-1996 history
1996JG/T 5072.3-1996 Hollow guide rails for elevator's counterweight