... valveless 3) Abrasion resistance 4) Self priming with high suction LH50 Hose Pump LEC LH Series Heavy-Duty ... Peristaltic Pump, Which Is Suitable for Handling Aggressive, High Viscosity, High Density Products, Such as Abrasive Slurries, Corrosive Acids, ... Features:ReversibilitySealessness and valveless Abrasion resistance Self priming with high suction Peristaltic hose is the only consumption partLH50 ...