When PVC Lay Flat Hose is used and stored, it should avoid falling, collision and heavy pressure, in order to prevent deformation and difficult assembly and disassembly. Before the connection of PVC Lay Flat Hose, the sliding groove and sealing parts should be carefully inspected. If there are sludge and sand, debris should be removed in time to prevent difficult assembly and disassembly and poor sealing. When connecting the inner button type interface, the claw should be inserted into the chute and then screwed in clockwise direction. When connecting PVC Lay Flat Hose, PVC Lay Flat Hose should be straightened out in order to prevent the interface from self-detaching due to the torsion of PVC Lay Flat Hose. When connecting the plug-in interface, the spring pin of the female interface should be inserted until the sound of the spring pin extending to the slot of the male interface card is heard, so as to ensure the reliability of the connection.
How many years can PVC Lay Flat Hose be used? According to the relevant regulations of the state, if it has been used once, it is necessary to replace or go to the fire protection maintenance unit for maintenance, and at least once a year for testing, because PVC Lay Flat Hose needs to withstand high water pressure in the process of operation. If the time is too long, it will present the condition of inner wall adhesion and so on. Rubber-plastic PVC Lay Flat Hose and rubber-lined PVC Lay Flat Hose have different protection methods. PVC Lay Flat Hose tape with inner lining is woven with high strength polyester, cotton and polyester material. It has high pressure resistance, high quality rubber lining, low lubrication resistance of coating, acid resistance, alkali resistance and pressure resistance of PVC Lay Flat Hose.
Rubber PVC Lay Flat Hose: one year shelf life; PVC Fire PVC Lay Flat Hose: two years; Polyurethane Fire PVC Lay Flat Hose: two years