| 摘要 |
<p>Reciprocating positive-displacement pump for pumping oenological liquids such as wines, musts, distillates, vinegars and the like, alimentary oils and other alimentary liquids and/or beverages such as fruit juices sand pulp, sugary juices etc., of the kind with a reciprocating piston and with distributing valves provided with rubber-covered balls, comprising a double-action fluidodynamic cylinder for actuating the piston, the fluidodynamic cylinder being fed by a central distribution unit which is in turn fed by a source of pressurized fluid.</p> |
