... sealing element, 2no leakage, no pollution; 3 Advanced rolling technology adopted l 1.Peristaltic Pump The industrial hose pump is a new ... sealing element, no leakage, no pollution; 2) Advanced rolling technology adopted, no need of lubrication for roller; 3) High suction ... , lower maintenance cost; 5) Linear regulation of flow rate, limited, measuring ability; 6) No block when pumping fluid with high ...