By using a multi-leaf structure for the inner pipe cross-section of the double pipe, the heat transfer area increases and the heat transfer rate improves!
The "high-efficiency heat exchanger" is a double heat exchanger developed to solve the shortcomings of conventional double-tube heat exchangers, using a newly developed "multi-leaf heat transfer tube." By making the inner tube of the double tube multi-leaf shaped, the contact (heat transfer) area with the fluid flowing on the outside is significantly increased without increasing the flow path cross-section. As a result, the heat exchange efficiency of the heat exchanger has been improved to more than twice that of conventional models. 【Features】 ■ Larger heat transfer area compared to round tubes, enabling miniaturization and weight reduction ■ Various cross-sectional shapes can be formed using the pull-out processing method (thin diameter and thin wall are also possible) ■ Both ends are round tubes, making connection for piping easy *For more details, please refer to the catalog or feel free to contact us.
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basic information
【Benefits】 ■ Compatible with high-pressure applications such as CO2 refrigerants ■ Capable of bending processing, allowing for various shapes ■ Possible to reduce size and weight, etc. *For more details, please refer to the catalog or feel free to contact us.
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Applications/Examples of results
【Applications】 ■ Heat exchanger with double pipes for natural refrigerant hot water supply (EcoCute) ■ Gas hot water supply double pipe heat exchanger ■ Heat transfer pipes for exhaust gas recovery heat exchangers for cogeneration and power recovery heat exchangers ■ Heat exchangers for shell and tube type (multi-tube) heat exchangers ■ Cooling fins for EGR coolers for passenger diesel and gasoline engines, etc. *For more details, please refer to the catalog or feel free to contact us.
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Company information
Since our establishment in 1949, we have been fully committed to technological innovation and the development of new products, earning a high reputation in the drawn steel pipe industry as "Nishiyama of thin pipes." Moving forward, we are determined to make further efforts to improve quality in order to meet the strict quality demands of our customers. Additionally, our policy, which we have consistently upheld since our founding, is "a company that I would definitely want my own children to join." To realize this, we will enhance employee satisfaction and strive to create an ideal company, aiming for new leaps forward.
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