This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and transportation of coal mine machinery hydraulic system assemblies for factory inspection. This standard is applicable to the factory inspection of hydraulic system assemblies of coal mine machinery that use hydraulic oil as the working medium and the working pressure is not higher than 31.5MPa.
MT/T 776-2004 history
2004MT/T 776-2004 Specification for routine inspection of coal mining machine-hydraulic system assembly