Solving the issue of "hardeners sticking due to exposure to air, causing pump failures" at the foundry manufacturer!
The request from the casting manufacturer was to add a hardener to the sand in the process of making sand molds for casting. However, there was a challenge where the hardener leaked from the pump's shaft seal, came into contact with air, and hardened, causing the pump to fail. The hardener was supplied using a gear pump, and the injection amount was controlled by an electromagnetic valve. For the solution to this issue, please download and refer to the PDF materials. 【Customer's Issue】 ■ The hardener leaking from the pump's shaft seal comes into contact with air and hardens, causing the pump to fail. *For more details, please refer to the PDF materials or feel free to contact us.
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Takumina Co., Ltd. is a leading company in precision pumps, welcoming all challenges as a "fluid solutions" provider. With a history of over 67 years since its founding, it is a long-established manufacturer that was the first in Japan to start producing powered metering pumps. Before the widespread adoption of water supply systems, it began manufacturing and selling suction-type chlorine disinfection machines, and the difficult challenges faced by customers have shaped Takumina's "pump technology" over the years. Currently, our pumps continue to be chosen in various manufacturing processes that require severe precision, including electronic materials and pharmaceuticals. Our smooth flow pumps, which provide high-precision liquid delivery with a continuous, pulsation-free flow despite being diaphragm-type, are strong against slurries, contamination-free, and do not alter liquid quality. We offer fluid solutions used in various manufacturing, transfer, supply, and injection processes, starting with the water treatment field. Takumina is committed to understanding the characteristics of liquids and the various conditions of processes to propose optimal transfer systems. We provide suggestions from research and development to manufacturing processes. We also accept inquiries about rental machines and actual liquid tests. If you have any difficulties in choosing pumps or fluid transfer, please feel free to contact us.