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In corrugated cardboard production, pumps transfer finished glue to the corrugating machine, where it is applied to bond layers of the corrugated medium. However, pumping corn-starch glue presents a unique challenge due to its high viscosity and adhesive nature. Its thickness and tendency to harden when left inside the pump can lead to premature wear, compromising the performance of mechanical seals, faces, and bushings. To maintain efficiency and prevent equipment damage, pumps must be designed to handle these demanding conditions effectively.
Wilden air-operated double-diaphragm (AODD) pumps offer a highly reliable solution for adhesive and viscous fluid handling. With a self-priming, dry-run capable, and seal-less design, they minimize the risk of leaks while ensuring superior product containment. These pumps are easy to install, operate, and maintain, making them an efficient choice for demanding applications. To further enhance durability and prevent outer-piston abrasion, Wilden recommends equipping them with Chem-Fuse Integral Piston Diaphragms (IPDs), extending pump life and reducing leakage risks.