An important multinational company active in the production of food packaging industry, uses peristaltic pumps for transferring the adhesives in the production process. The first experiments have been made long ago with a peristaltic pump that gave promising results. The application of the pump consists on sucking and transfer bonder and glues to forming lines of product (carton packaging). The bonder has sorely tested the conventional pumps double diaphragm previously in use, the formation of the layers of glue film makes the valve system of pneumatic pumps if not useless, certainly very unstable. Interruptions, and discontinuity in productive activity generated a “nuisance” no longer sustainable.
Cleaning and restoring frequently not solved the problem in an acceptable manner. The rupture of the diaphragm was often a problem for pneumatic pumps due to spill of the glue in distribution air system making unusable. The activity of dosage was complicated by the fact that the pneumatic equipment do not combine with constancy and uniformity required for the operation. Complicated electro-pneumatic devices are necessary to allow the control of the flow rates. But even these devices require careful maintenance and control to ensure their (precarious) operation.
The turning point came some years ago by inserting into the cycle a HCP 25 peristaltic pump with variable speed controlled by an inverter. The pump characteristics were studied with particular attention precisely to meet an efficient operation, economic and possibility of rapid intervention in the site, without having to stop for a long time the job (replacing the tubular membrane worn out). From that day, the peristaltic pump HCP 25 had only one destiny, work hard, and that is exactly what it will do for many years more .
Recently, to a confirmation of the excellent service provided by pump, the company add another, almost identical pump, with small modifications which improve the utilization in order to further limit the dead times in the stage of replacement of the peristaltic hose for cleaning or restore. The company can also count on this pump for a long time, obtaining a service of high efficiency, management costs certainly not very significant.
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