Prevention of water hammer, damage to the impeller, and prevention of wear.
The problem of the impeller frequently breaking due to water hammer during the pump's startup, leading to equipment downtime and costs amounting to millions for repairs, has been resolved through smooth acceleration using a soft starter. Measures have been taken to prevent water hammer, impeller damage, and wear. 【Features】 ○ Control method: Stepless acceleration operation using a soft starter ○ Target equipment: Water lifting pumps (37.0 kW × 3 units) For more details, please contact us or download the catalog.
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basic information
【Issues】 ○ The impeller frequently breaks due to water hammer during startup. ○ Equipment shutdown and costs amounting to several million yen are incurred for repairs. 【Improvement Measures】 ○ By using a soft starter for smooth acceleration, we can prevent water hammer and avoid damage and wear of the impeller. ○ Since energy saving is not the goal, we adopted a soft starter with lower installation costs than an inverter. 【Implementation Results】 ○ All three units have been operating continuously for over a year without any issues. ● For more details, please contact us or download the catalog.
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Applications/Examples of results
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Company information
Hakkou Techno Co., Ltd. is engaged in business in the fields of resource conservation and energy saving, with the motto of "Heart & Technology." In particular, regarding power control, we contribute to environmental business based on reliable achievements centered around the "inverter system," which enables ultimate energy-saving drives.
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