Transferring ink from storage containers to the rollers on printing presses was proving problematic for Danish company Peterson Packaging. The air diaphragm pumps used had proved unable to handle the water based ink gently enough. As a result bubbles formed in the ink, ruining the packaging, creating excess waste and adding expense.
To resolve the problem, Peterson Packaging needed a gentle-action pump to ensure bubble-free ink, and sufficiently compact to fit into the limited space available.
The Verderflex Dura peristaltic pump proved the ideal solution. Ink is completely contained within the pump’s hose which is compressed by a rotating roller. On restitution of the hose the resulting vacuum draws in more liquid, creating a gentle and accurate pumping process, and eliminating any danger of cross-contamination or spillage.
The Dura has a novel design said to provide a 70% smaller footprint to similar pumps. This was important for Peterson Packaging, as it required five pumps to fit in a tight space at the end of each print line. The Danish company is ‘very happy’ with the Verderflex pumps and has now installed a total of 15 units.
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