Piston grouting pump gp-90s Sug hp series heavy-duty hose pump is a kind of peristaltic pump, which is suitable for handling aggressive, high viscosity, high density products, such as abrasive slurries, corrosive acids, gaseous liquids, sand/cement mortar , liquid accelerator, etc. And also is used for dosing pump with 1% repeat precision. Features: Reversibility Sealessness and valveness Abrasion resistance Self priming with high suction Peristaltic hose is the only Consumption part 1.Nature rubber outer layer 2.Nylon reinforcement layer 3.Lnner liner material available in various chemically resistant rubber