1. PVC lay flat hose is suitable for liquid and non-corrosive powder transportation. It should avoid contact with corrosive chemicals such as oil, acid and alkali.
2. Working pressure should be within the specified range of PVC lay flat hose model. Sudden twists and turns should be avoided in laying to prevent reducing water pressure resistance.
3. It is strictly forbidden to drag on sharp objects in order to avoid pulling the surface of the belt and causing it to be out of normal use. It is strictly forbidden to drag PVC lay flat hose in V-shape to avoid wearing and tearing PVC lay flat hose.
4. The rigid weight should be avoided to press on the PVC lay flat hose. When the vehicle passes through the PVC lay flat hose in the laying, the PVC lay flat hose guard bridge should be placed in the passing part beforehand.
5. PVC lay flat hose must be dried in a cool place after use and rolled up to prolong its service life. When PVC lay flat hose is used outside buildings in cold areas, it should be fully dried before it can be used to prevent the freezing phenomenon of PVC lay flat hose.
6. Heavy pressure, sun exposure and rain and snow wetting should be prevented during transportation and storage. Heat sources and corrosive substances should be isolated. PVC lay flat hose should be stored in a dry, ventilated and cool warehouse with storage temperature ranging from 0 35 and the optimum storage temperature is about 15 C. Heat sources and corrosive substances should be isolated.
7. The storage life of PVC lay flat hose is one year. When the storage conditions meet the requirements, the comprehensive performance of PVC lay flat hose shall not be allowed to decline within six months from the date of production, and the maximum time for testing PVC lay flat hose by the national testing institution shall be set at this limit.