Peristaltic Pump Hose as Peristaltic Pump consumable in use may encounter all kinds of damage, under normal circumstances 100 RPM pump speed to transport normal temperature liquid, silicone tube life can reach 200-400 hours, imported A-60-F pump tube can reach 2000-10000 hours. However, in the process of use, premature wear and abnormal wear of the peristaltic pump will be caused by incorrect clamping of the peristaltic pump hose or certain corrosive liquid. What is the cause of all this damage? Today do a simple analysis of this problem. The reasons for the damage of peristaltic pump hose can be seen from the damage crack: A damaged peristaltic pump hose that appears to be a sharp cut like a knife cut is usually cut by the runner and flange edge of the Peristaltic Pump Head. The reason for this kind of damage is usually because the hose in the pump head is too long. When the peristaltic pump head is running, the hose moves in the pump head and touches the flange edge of the runner. The flange edge keeps rubbing and cutting the hose. The process of damage can be very rapid, usually in about ten minutes will be completely broken. With the failure of the pump line, you will also see a lot of hose residue in the pump. Solutions: ① When installing the card pump tube, we must ensure that the pump tube in the pump head is straightened, and there will not be too many hoses buried in the pump head. ② At the same time, a special plastic clamp (as shown in the figure) is clamped on the inlet and outlet of the hose pump near the clamping pipe of the pump head to prevent the peristaltic pump hose from loose running during operation. The damage caused can be seen from the shape of the damaged hose: the hose is completely flattened and loses its rebound ability. The thickness of the soft pipe wall becomes thinner and the surface is severely worn. This phenomenon is usually caused by the runner stuck, peristaltic pump pressure block contact pump tube surface, and impurities on the runner caused by high speed. Peristaltic pump head of the wheel is stuck, shaved peristaltic pump wheel directly peristaltic pump hose, the hose will increase friction on the surface of the tube surface temperature rises high and the wear surface of the hose, high temperature will also lose elasticity, soft and extreme cases of melting temperature more than 140 degrees can cause even the hose deformation. Solutions: Pay attention to check whether the operation of the peristaltic pump head runner is flexible; Pay attention to cleaning pump head pressure tube surface; Properly reduce the peristaltic pump speed. From the size and shape of the peristaltic pump hoses damaged to see the cause of damage: Peristaltic pump hoses may transport different liquids, some liquids will cause corrosion and dissolution of some of the hoses. If we see the peristaltic pump hose brittle, hard, lose elasticity, discoloration, swelling, damage, and other phenomena, then it is usually because the hose can not transport this liquid caused. Solutions: Look for the hose material that will not be corroded by the liquid delivered by yourself. There are many kinds of pump pipes of different materials to choose from. They can provide the chemical compatibility experimental reference data of most liquids and provide detailed chemical compatibility forms for future reference to help you accurately choose the hose. You can also take samples of hoses and do immersion tests to make sure they are not corroded by liquids.
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