According to the national standard GB9576-88 "Guide for Selection, Storage, Use and Maintenance of Rubber, Plastic Hoses and Hoses Assemblies":

1. The conveying medium used by the hose must conform to the medium specified by the hose design.

2. The pressure (including pulse pressure) charged by the hose during use shall not exceed the specified design working pressure.

3. The temperature of the medium conveyed by the hose should be used within the temperature range specified by the hose.

4. The hose cannot be used below the minimum bending radius specified, so as to avoid premature fatigue damage to the bending part.

5. The hose cannot be used in a twisted state.

According to the national standard GB/T3683-92<Steel wire reinforced hydraulic rubber hose and hose assembly>; GB/T10544-89<Steel wire wound reinforced hydraulic rubber hose and hose assembly>; GB/T5563- The provisions of 94<Rubber, plastic hose and hose assembly hydraulic test method>: When the hose assembly blasts, the blasting within 25mm from the pipe joint or within the distance equivalent to the outer diameter of the hose shall not be regarded as Blasting of the hose.