Heat Exchangers Business History
An overview of Tada Electric Co., Ltd.'s Heat Exchangers Business history spanning more than half a century.
| 1955 | Started production / sales of "NK filter" microfiltration unit. |
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| 1958 | Started production / sales of Alightron roll-formed fin tube. |
| 1963 | Established Tada Electric Co., Ltd. |
| 〃 | Started production / sales of radiator for transformers. |
| 1965 | Started production / sales of air-cooled and water-cooled oil coolers. |
| 1969 | Started production / sales of welded fins (welded fin tubes). |
| 1970 | Started production/sales of plate heat exchanger for food applications. |
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| 1971 | Completed cooler performance testing device. |
| 〃 | Started production / sales of water-cooled air cooler for rotating machines. |
| 1973 | Completed Okayama Works; Started production/sales of water-cooled air cooler with double tube type structure. |
| 1974 | Started production / sales of pure-water cooling unit for rectifiers. |
| 1975 | Developed plate, hot-dip galvanizing air-cooled oil cooler for transformers. |
| 1977 | Jointly developed ultra-large air-cooled oil cooler for transformers with leading transformer manufacturers. |
| 1978 | Used welded fin dissimilar material combined product in practical application. |
| 1979 | Began delivery of the first closed-circuit cooling tower. |
| 1982 | Began delivery of the first water-cooled hydrogen gas cooler for generators. |
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| 〃 | Developed slit-fin water-cooled air cooler. |
| 〃 | Started production of ozonizer. |
| 1983 | Started production of pure water cooling unit. |
| 1985 | Developed ultra-low-noise air-cooled oil cooler (32dB(A)) for transformers. |
| 1986 | Completed optimization of underground substation cooling system. |
| 1994 | Started production/sales of pure-water plate cooling unit. |
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| 〃 | Completed Okayama Area No.2 factory. |
| 〃 | Began delivery of air-cooled oil coolers for 1,000kV transformers. |
| 1998 | Began delivery of the world's largest capacity closed-circuit cooling tower (3,140kW) for underground substations. |
| 1999 | Developed plate-fin water-cooled hydrogen gas cooler for generators. |
| 2000 | Delivered a pure-water cooling unit (3,000kW) for Japan's largest capacity DC power transmission plant. |
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| 2001 | Developed tube-expansion air-cooled oil cooler for transformers. |
| 2002 | Developed compact slit-fin cooler. |
| 2004 | Developed oval-pipe air-cooled oil cooler for transformers. |
| 2005 | Developed high-efficiency fin tubes (AS20xx, AS23xx). |
| 2008 | Started production of oil cooler for railcars. |
| 2009 | Renamed Okayama Works as Heat Exchanger Works. |
| 〃 | Started production in Funabashi Area. |
| 2011 | Started export of hydrogen gas cooler for turbine generators. |
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| 2014 | Completed Okayama Area Factory No. 3. Consolidated heat exchanger production by moving manufacturing from Funabashi to Okayama. |
| 2016 | Delivery of our largest pre heating heat exchanger for chemical plants. |
