勝川熱工 List of Products and Services

At Katsukawa Thermal Engineering Co., Ltd., we offer a wide range of heat exchangers tailored to various applications, including "high static pressure hot air blowers heat exchangers," "heat exchangers for N2 gas heaters," and "solvent recovery units." 【Units】 ○ Solvent Recovery Unit ○ Air Conditioning Unit For more details, please contact us or download the catalog.

The hot air generation device is a unit that combines a heater and a fan. The size of the heater and the type of fan are selected based on the processing air volume, temperature conditions, required heat, and intended use. Heaters for manufacturing lines serve as component elements, while the hot air generation device becomes a component of the drying apparatus. The drying apparatus is designed with the hot air generation device installed on the upper part of the equipment or externally, optimized for various drying applications. 【Features】 ○ Environmentally friendly heating device utilizing natural convection with steam ○ Suitable for heating in explosion-proof areas without a fan ○ Can be designed for hot water use ○ Internal elements can be selected from plate fins or elofins For more details, please contact us or download the catalog.

Our company manufactures "unit heaters" for factories and facilities. The "V type" is designed to efficiently raise the temperature in large spaces such as factories, gymnasiums, and markets by blowing hot air from near the ceiling down to the floor with strong pressure, allowing the warm air layer to spread across the floor. It continuously creates an upward airflow, ensuring a uniform temperature throughout the room. The "KKL type" is suitable for heating low-ceiling factories, drying rooms, and for spot heating. [Usage Scenarios] [V type] Ideal for heating high-ceiling factories, water drainage drying rooms, and insulation cabinets (for plastics, styrofoam, ceramics). [KKL type] Ideal for heating low-ceiling factories, drying rooms (for wood, plastic molding, livestock barns), and for spot heating in work areas. ★ In addition to product materials, we are also providing documents summarizing basic knowledge about types and applications of heat exchangers. You can view them via "PDF Download."

The multi-tube heat exchanger is primarily a heat exchanger that uses liquid-to-liquid media. It has a structure where numerous narrow heat transfer passages are arranged within a cylindrical body, allowing for heat exchange between fluids with different temperatures inside and outside the heat transfer tubes. The heat exchange between liquids using a multi-tube heat exchanger is systemically simple and results in the lowest total cost. In design and manufacturing, adjustments will be made to ensure a structure that can be easily integrated into existing equipment. 【Features】 ○ Achieves high-efficiency heat exchange ○ Compact design minimizes installation space ○ Can be installed in an inline configuration (both vertical and horizontal orientations are acceptable!) ○ Utilizes SUS304, 316L, and titanium for high corrosion resistance For more details, please contact us or download the catalog.

At Katsukawa Thermal Engineering Co., Ltd., we offer "renovation of air conditioning units (AHU)" by replacing only the coils inside the air handling units (AHU). Unless the entire air conditioning unit is significantly outdated, the AHU itself can continue to be used by simply replacing the coils, which can greatly reduce repair costs. We also accept orders for the new production of air conditioning units (AHU). 【Features】 ■ Cost savings through coil replacement of expensive air handling units and air conditioning units ■ Nationwide service available ★ For more details, please check the catalog available for download as a PDF. We are also providing materials that introduce basic knowledge about heat exchangers, their types, and their roles in the manufacturing line.

Here are examples of using heat exchangers for renewable energy. The Oguni Town Forest Association, which has been operating since 2009 to utilize geothermal energy to dry local timber and supply high-quality, flavorful wood products, has introduced our heat dissipation tubes (Elfin tubes). By not using fossil fuels like traditional steam drying kilns, they can perform drying that is environmentally friendly and does not emit carbon dioxide, benefiting both the environment and the wood. [Overview] - Demonstration of the potential of geothermal energy utilization - Methods of using Elfin tubes For more details, please contact us or download the catalog.

At Katsukawa Thermal Engineering Co., Ltd., we provide heat exchangers aimed at the reuse of heat. The "plate-type heat exchanger" is a direct contact and counterflow type heat exchanger designed for heat recovery from gas to gas without dust. The plate-type heat exchanger consists of a pair of welded metal plates that are pressed into a wavy shape both vertically and horizontally, and multiple pairs can be combined to increase the heat transfer area. The gas on the heat receiving side and the gas on the heat releasing side are structured to avoid mixing through welding, and the wavy shape of the heat transfer plates takes thermal expansion differences into account. Additionally, similar to the plate-type heat exchanger, we also handle "feedwater preheaters (economizers)" used to preheat feedwater in order to improve boiler efficiency. 【Features】 - Heat exchangers to enhance boiler thermal efficiency - Reuse of heat from exhaust gases emitted by the boiler - Sending preheated fresh air to the boiler to improve combustion efficiency - Air preheating is incorporated into the combustion system to enhance combustion efficiency and is widely used for energy savings such as reducing fuel costs. For more details, please contact us or download the catalog.

Katsukawa Thermal Engineering is a specialized manufacturer of finned tube heat exchangers for process air conditioning, primarily focusing on the Erofin and plate fin types necessary for industrial process air conditioning. Since our founding in 1934, we have been committed to "technology," "speed," and "trouble-solving capabilities," while also focusing on the development of engineers. We have delivered numerous heat exchangers to a wide range of industries, including automotive, pharmaceuticals, semiconductors, and food manufacturers. We take pride in our design and technical capabilities, which set us apart from other companies. We provide high-quality products based on reliable technology with short lead times and low costs. 【Wide Range of Heat Exchangers Supported】 - Heaters and coolers used in dryers, coolers, and dehumidifiers for heating and cooling industrial products - Unit heaters for heating - Hot and cold water coils within air conditioning units - Radiators for agriculture and horticulture, and radiators for snow melting in cold regions, among others For more details, please contact us or download our catalog.

The "LS Fin" is a type of heat transfer tube that has heat dissipation fins wrapped in a spiral using a special crimping method at an angle. It has a larger contact area compared to conventional fin tubes, allowing for a high thermal conductivity and enabling a compact design. Low static pressure blowers can also be used, making it possible to create a cost-effective overall system. As we specialize in custom orders, we can manufacture products according to the user's specifications for dimensions and capacity in a short lead time and at a low price. 【Features】 ■ Larger contact area than conventional fin tubes ■ Excellent adhesion ■ High thermal conductivity ■ Compact design possible ■ Supports short lead times and small lots *For more details, please refer to the PDF document or feel free to contact us.

The LS fin heater is a heater made using the LS fin tube, which has been developed as a next-generation fin tube to replace the elofin heater used for dryers. It addresses the issues associated with heaters that use aluminum elofin tubes, which have durability problems. This allows for a reduction in total costs, including heater price, weight, and fan static pressure. 【Features】 ○ When adopted in a circulation drying furnace (dryer), it can fit into about half the heat transfer area compared to elofin type. 　→ If two elofin heaters were previously needed, one unit can now meet the required capacity. ○ Total costs can be reduced, including heater price, weight, and fan static pressure. ○ It can be installed as a replacement when updating from existing elofin heaters. For more details, please contact us or download the catalog.

Heat exchangers are actively used in various applications such as heating, cooling, and drying of industrial products. However, selecting a heat exchanger that fits the equipment and machinery requires knowledge and experience. At Katsukawa Thermal Engineering, we have been providing heat exchangers that embody our customers' voices based on the experience and know-how accumulated over many years. We own a large number of dedicated machines for various types of finned tubes as part of our in-house facilities. We respond to requests by leveraging our high production capacity and the advantages of our industrial region. For inquiries about heat exchangers for manufacturing lines in sectors such as semiconductors, automotive, food, machinery, chemicals, pharmaceuticals, mining and manufacturing, paper, and pulp, please feel free to contact us. 【Products We Handle】 ■ LS finned tube heat exchangers ■ Ero finned tube heat exchangers ■ Plate finned tube heat exchangers *We are currently offering a document summarizing basic knowledge and applications of heat exchangers! You can view it via PDF download.

Our company provides comprehensive support from the design and manufacturing of industrial heat exchangers to usage advice and maintenance after delivery. We can respond quickly in the event of issues such as steam leaks, liquid leaks, or tube blockages. In Japan, we dispatch engineers on the same day or the next day, and for overseas (Asia, Europe, America, etc.), we can send engineers in as little as three days. We investigate the nature and cause of the trouble and carry out parts replacement or disassembly and cleaning. 【Our Strengths】 ■ Extensive experience and achievements cultivated since our founding in 1934 ■ Ability to identify the causes of troubles that often arise from multiple factors ■ Dispatching engineers to the site even if the nature of the trouble is unclear ■ Investigating the causes of troubles to prevent recurrence, even if there are no issues with the heat exchanger ★ Currently, we are offering materials related to troubleshooting steam heater coils. For more details, please check the download button. Feel free to contact us as well.

We custom-manufacture "Elophin Heaters" for heating air (gas) incorporated into drying equipment, facilities, and air conditioning units. The fin tube, which has a metal plate wrapped around the heat transfer tube, exhibits high heat dissipation. It is widely used as a heat source for steam, hot water, and thermal oil, and is commonly adopted in steam coils for air conditioning systems, as well as in steam heaters for drying industrial products and warming cabinets. It is easy to clean and repair, making it suitable for process air conditioning in various manufacturing lines. We can provide proposals tailored to your specific usage needs. 【Features】 ■ Available in various fin materials such as SS, SUS, copper, and aluminum ■ Zinc plating, tin plating, and brazing processing are possible for fin tubes ■ We also accommodate the production of pipes and fins made from special metals ★ We are currently offering a "Basic Knowledge and Selection Guide for Heat Exchangers," which includes examples of applications in manufacturing lines. You can view it immediately by clicking the download button. Please feel free to contact us with any inquiries.

Since our establishment in 1934, we have been designing and manufacturing industrial heat exchangers. Here are two key products we focus on. "Elfin Tube" - Radiant heat, geothermal energy, and hot spring water utilizing finned heat radiating pipes - Active in production equipment such as semiconductor-related devices and plating product dryers - Improved conductivity through winding processing that ensures fins are fully attached to the pipe - Materials can be freely combined with SS, SUS, and CU "Unit Heater" - Effective utilization of thermal energy, including steam and hot water - Suitable for heating factories with low ceilings and drying rooms for plastic molding - In high-ceiling spaces, combining with V-type unit heaters enhances heating effectiveness - Capable of manufacturing with various special motors and stainless materials *For more details, please refer to the materials. Feel free to contact us with any inquiries.

The plate fin cooler is a coil element made by pressing various thin metal plates onto tubes (heat transfer pipes), similar to a plate fin heater. To create water channels or water chambers, U-bend tube bundles (headers) and tubes are attached through suitable welding processes for the materials and housed within a duct-type casing made of steel plates. The plate fin cooler is used to cool water or refrigerant flowing inside the heat transfer pipes, as well as air and various gases outside the pipes. 【Features】 ○ Optimal as a heat exchanger for various equipment ○ Usable for cooling and dehumidifying in all environments ○ Strong support for user equipment design with abundant experience and knowledge For more details, please contact us or download the catalog.

Plate fin heaters are used as heaters to heat air with steam, hot water, or thermal medium oil. Most steam coils and hot water heaters used in air conditioning systems are either elofin or plate fin heaters. They are ideal for process air conditioning. 【Features】 - The fin area is larger than that of elofin heaters, allowing for fewer pipes, resulting in a compact, lightweight, and cost-effective design. - There is a growing demand compared to elofin heaters. - These heaters are designed for heating air and other gaseous substances and are incorporated into air conditioning units, drying equipment, and dryers. For more details, please contact us or download the catalog.

This heater is primarily designed for heating air and other gases and is incorporated into air conditioning units, drying equipment, and dryers. Its structure consists of multiple fin tubes welded to a header and housed within a duct-type casing made of steel plates. Most steam coils and hot water heaters used in air conditioning systems are either finned or plate fin heaters. 【Features】 - Fin pitch can be customized starting from 3.0 mm. - Zinc or tin plating can be applied to fin tubes upon request. - We can accommodate requests for pipes and fins made from special metals. For more details, please contact us or download the catalog.

Our company specializes in the design and manufacturing of "multi-tube (shell & tube) heat exchangers" that can be utilized for heat exchange between liquids. In addition to standard products listed in the specification sheet, we also accommodate custom-made products, and it is possible to adjust the structure for easy integration into existing equipment. The fluids inside the tubes can include steam, thermal oil, hot water, cold water, and cooling water. Due to its simple system, we can offer it at a reduced total cost. 【Features】 ■ Can be manufactured as a Type II pressure vessel or small pressure vessel ■ Some Type I pressure vessels are also available ■ Sanitary specifications are available for medical and food applications ■ We provide proposals utilizing our specialized knowledge and experience as a heat exchanger manufacturer, tailored to specification conditions and applications ★ You can view materials that introduce basic knowledge useful for selecting heat exchangers from the "PDF Download" section. Please feel free to contact us for inquiries.

In the heating and drying processes of industrial products, heaters using indirect heating with steam or thermal oil are employed. Our "LS Fin Tube Heat Exchanger" has been developed by considering both the advantages and disadvantages of the Erofin type and the plate fin type. <Features of Erofin Type> - Superior adhesion between fins and heat transfer tubes compared to plate fin type, but inferior in heat transfer area. - Arrangement and spacing between fin tubes are flexible. - A higher number of tubes and longer effective length lead to increased costs. <Features of Plate Fin Type> - Inferior adhesion between fins and heat transfer tubes compared to Erofin type, but allows for a larger heat transfer area. - Limited flexibility in the arrangement and spacing between fin tubes. - Difficult to clean and maintain. <Features of LS Fin Tube Type> - By wrapping the fins in an L-shape, the contact area with the heat transfer tubes is increased, improving heat transfer efficiency. - High heat transfer coefficient allows for a reduction in the number of tubes compared to Erofin type, leading to cost savings. - Arrangement and spacing between fin tubes can be freely determined, similar to Erofin type. - Longer effective length and a higher number of tubes make it more advantageous than plate fin type. *In addition to the product catalog, we are also providing basic knowledge materials on heat exchangers.