1. Under normal conditions, the medium temperature conveyed by the large-diameter hose and hose assembly should not exceed - 40 ℃ - 120 ℃, otherwise the service life of the hose will be reduced.
2. The large-diameter rubber hose assembly should not be used under the condition of less than the bending radius of the rubber hose to avoid bending or bending near the pipe joint, otherwise it will hinder the hydraulic transmission and material delivery or damage the rubber hose assembly.
3. Large diameter hose and hose assembly shall not be used under torsion.
4. The large-diameter hose and hose assembly shall be handled carefully, and shall not be dragged on the sharp and rough surface, and shall not be bent and flattened.
5. The large-diameter rubber hose assembly shall be kept clean and the inside shall be washed clean to prevent foreign objects from entering the lumen, hindering the delivery of fluid and damaging the equipment.