境川工業 List of Products and Services

The "stainless steel fin-tube heat exchanger" excels in corrosion resistance, heat resistance, and strength, ensuring a long lifespan and easy maintenance. Additionally, through collaboration between industry and academia, we have successfully improved the adhesion of the fins, enhancing performance. There are cases where the introduction of this heat exchanger has resolved issues related to corrosion of copper and steel pipes due to water quality impacts, as well as lifespan problems in corrosive environments. It is also suitable for clean usage environments. 【Specifications】 ■ Functions: Dehumidification, solvent recovery, corrosion prevention against corrosive gases and water quality ■ Heat media: Flash steam, saturated water, pure water, well water, industrial water, etc. ■ Element materials - Tubes: Stainless steel pipes (SUS304, SUS316, SUS316L) - Fins: Stainless steel fins (SUS304, SUS316, SUS316L) Other materials available upon consultation Sakaigawa Industries Co., Ltd.'s "rapid filling hydrogen storage alloy tank" has been selected for the "Kansai Manufacturing New Selection 2025" by the Kinki Bureau of Economy, Trade and Industry in the Carbon Neutral Society Realization (GX) category. *You can view a catalog introducing our heat exchangers by downloading the PDF. Please feel free to contact us with any inquiries.

• Heating device

The performance of fin tube heat exchangers is greatly influenced by the degree of contact between the heat transfer tubes and the radiating fins, the shape of the contact, and the shape of the radiating fins. This time, by reviewing the mold and press processing, we have developed high-efficiency stainless steel radiating fins that maximize the degree of contact between the heat transfer tubes and the radiating fins. Compared to our conventional fins, we have achieved an approximately 15% improvement in performance. There are also cases where the introduction of this product has resolved issues related to the corrosion of copper pipes due to water quality and lifespan problems in corrosive environments. 【Must-see for those in need】 ■ Those who require drying and cooling processes in production lines that demand cleanliness ■ Those who want to perform heat exchange in corrosive environments ■ Those seeking compactness and cost reduction ■ Those who want to recover exhaust gas and waste heat to reduce energy consumption *For more details, please download the PDF document or feel free to contact us.

• Heating device
• Heat exchanger
• Cooling system

At "Sakaigawa Industry of Heat Exchangers," we have received numerous requests from various companies and have been involved in the production of prototypes for heat exchangers. If you provide us with your concepts, drawings, etc., we will make the most of our extensive knowledge, technology, experience, and equipment accumulated over the years to respond to your needs. We also accept capability measurements for heat exchangers using materials currently under development in the fin section. For anything related to heat exchangers, please consult "Sakaigawa Industry of Heat Exchangers." 【Examples of Services】 ■ Development of Heat Exchangers ○ Production of fin molds → Design and manufacturing of heat exchangers ○ Production of heat exchangers using new materials and capability testing ○ Capability comparison tests between conventional materials and newly developed materials ○ Design and manufacturing of energy-saving heat exchangers ○ Test machines before mass production ○ Industry-academia collaboration ■ Comparative Testing of Development Metals ○ Capability comparison of metals under development ○ Production of sample products

• Heat exchanger

It is widely adopted in various fields for the purpose of drying materials and production processes of various industrial products. We can propose shapes and materials tailored to applications such as corrosion and freezing prevention due to outside air or cooling water. 【Specifications】 ■ The cooler body is not airtight, so it should be installed in air conditioning units or enclosed rooms. ■ If the humidity of the incoming air is high, condensation will occur, so a drain pan is necessary. You can view our catalog introducing heat exchangers by downloading the PDF. Please feel free to contact us with any inquiries.

• Heating device
• Heat exchanger
• Other process controls

It is widely adopted in various fields for the purpose of drying materials and production processes of various industrial products. It is a heater that can respond to issues such as corrosion and freezing by changing the material, offering excellent cost performance. 【Specifications】 ■ Ideal for installation inside equipment where airtightness is maintained, or when airtightness is not required. ■ Installation orientation: horizontal, vertical, or horizontal installation We can suggest shapes tailored to the installation location. *Note: Please avoid touching the header section as it becomes high temperature. You can view our catalog introducing heat exchangers by downloading the PDF. Please feel free to contact us.

• Heating device
• Heat exchanger
• Other process controls

It is widely adopted in various fields for the purpose of drying materials and production processes of various industrial products. 【Specifications】 ■ Can be directly connected to ducts ■ The casing joints and nozzle penetration parts are fully welded all around to ensure complete sealing, preventing gas from leaking to the outside. ■ Installation directions can accommodate horizontal, vertical, and level setups. *Note: Insulation is required as the casing will become hot. The airtight type requires a design pressure on the casing side, so please specify. If the design pressure on the gas side is high, the shape may change. You can view a catalog introducing our heat exchangers by downloading the PDF. Feel free to contact us with any inquiries.

• Heating device
• Heat exchanger
• Other process controls

It is widely adopted in various fields for the purpose of drying materials and production processes of various industrial products. The duct-connected type can be directly installed in the gas airflow (ventilation duct) as the heat exchanger itself becomes part of the duct. 【Specifications】 ■ Can be directly connected to ducts ■ Choose the structure and installation direction according to your application. Non-tight type: When the fan static pressure is low or when some leakage from the casing joints or penetrations can be tolerated. Tight type: When the fan static pressure is high or when leakage of fluid within the duct is not acceptable. Installation direction: Horizontal, vertical, or horizontal installation. *Note: Insulation is required as the casing will become hot. You can view our catalog introducing our heat exchangers by downloading the PDF. Please feel free to contact us with any inquiries.

• Heating device
• Heat exchanger
• Other process controls

It is widely adopted in various fields for the purpose of drying materials and production processes of various industrial products. Solvents are reused, achieving environmental improvement, energy conservation, and resource saving. 【Specifications】 - The gas flows from top to bottom, and the condensed solvent is collected from the bottom. - The heat exchanger for solvent recovery will be divided if the number of columns increases. - We can propose shapes tailored to the installation location. You can view our catalog introducing our heat exchangers by downloading the PDF. Please feel free to contact us with any inquiries.

• Heating device
• Heat exchanger
• Other process controls

The "fin tube type heat exchanger" from Kyokugawa Industries is installed under various conditions, including heat exchangers for air conditioning, dehumidification and gas cooling, solvent recovery, and cooling machines using pure water, well water, and industrial water. In particular, under corrosive environments, there is often a demand for corrosion-resistant stainless steel heat exchangers. However, since stainless steel has a very low thermal conductivity, the heat transfer area of the heat exchanger becomes larger. To provide heat exchangers that satisfy our customers, we conduct daily research and development of fin tube type heat exchangers at our in-house testing facilities, and we will continue to manufacture high-efficiency, compact heat exchangers even in stainless steel. 【Heat Exchanger Specifications】 ○ Fin Tube Type Heat Exchanger ○ Functions: Dehumidification, solvent recovery, and corrosion measures against corrosive gases and water quality ○ Heat Medium: Flash steam, saturated water, pure water, well water, industrial water, etc. ○ Element Materials: - Tube: Stainless steel pipe (SUS304, SUS316, SUS316L) - Fin: Stainless steel fin (SUS304, SUS316, SUS316L) *Other materials are available upon consultation *For more details, please contact us or download the PDF.

• Heating device
• Heat exchanger
• Cooling system

Sakaigawa Industries' "fin tube heat exchangers" are installed under various conditions, including heat exchangers for air conditioning, dehumidification and gas cooling, solvent recovery, and heat exchangers for cooling machines using pure water, well water, and industrial water. In particular, under corrosive environments, there is often a demand for heat exchangers made of highly corrosion-resistant stainless steel. However, since stainless steel has a very low thermal conductivity, the heat transfer area of the heat exchanger becomes larger. At Sakaigawa Industries, we conduct daily research and development of fin tube heat exchangers in our in-house testing facilities to provide heat exchangers that satisfy our customers, and we will continue to manufacture high-efficiency, compact heat exchangers even in stainless steel. 【Heat Exchanger Specifications】 ○ Fin Tube Heat Exchanger ○ Functions: Dehumidification, solvent recovery, and corrosion measures against corrosive gases and water quality ○ Heat Media: Flash steam, saturated water, pure water, well water, industrial water, etc. ○ Element Materials: - Tubes: Stainless steel pipes (SUS304, SUS316, SUS316L) - Fins: Stainless steel fins (SUS304, SUS316, SUS316L) * Other materials are available upon consultation. * For more details, please contact us or download the PDF.

• Heating device
• Heat exchanger
• Cooling system

Sakigawa Industrial Co., Ltd. has been designing and manufacturing heat exchangers for industrial machinery and heaters and coolers for air conditioning, primarily using fin tube technology, for over 60 years since its founding. Our heat exchangers are used in the production processes of various industrial products, and they are widely utilized not only as heat exchangers for industrial machinery but also for heating and cooling equipment in air conditioning systems. Additionally, we are committed to research and development aimed at improving the efficiency and compactness of heat exchangers by utilizing our own capacity testing equipment. We strive to become a company that earns the strong trust of our customers with the motto, "For heat exchangers, choose Sakigawa Industrial." ● For more details, please refer to our company brochure or feel free to contact us.

• Heat exchanger
• air conditioning

The "fin tube type heat exchanger" from Sakigawa Industries is installed under various conditions, including heat exchangers for air conditioning, dehumidification and gas cooling, solvent recovery, and cooling machines using pure water, well water, and industrial water. In particular, under corrosive environments, there is often a demand for heat exchangers made of highly corrosion-resistant stainless steel. However, since stainless steel has a very low thermal conductivity, the heat exchange surface area of the heat exchanger becomes larger. At Sakigawa Industries, we conduct daily research and development of fin tube type heat exchangers in our in-house testing facilities to provide our customers with satisfactory heat exchangers, and we will continue to manufacture high-efficiency, compact heat exchangers even with stainless steel. 【Heat Exchanger Specifications】 ○ Fin Tube Type Heat Exchanger ○ Functions: Dehumidification, solvent recovery, and corrosion measures against corrosive gases and water quality ○ Heat Medium: Flash steam, saturated water, pure water, well water, industrial water, etc. ○ Element Materials ・Tube: Stainless steel pipe (SUS304, SUS316, SUS316L) ・Fin: Stainless steel fin (SUS304, SUS316, SUS316L) ※ Other materials available upon consultation For more details, please contact us or download the catalog.

• Heating device
• Heat exchanger
• Cooling system

"I want to update the existing heat exchanger, but the manufacturer is unknown, the structure is unknown, and there are no drawings..." "I want to take measures because the heat exchanger corrodes in a short period of time." "I want to change the material, but I don't know the capacity," etc. Sakaigawa Industries will measure dimensions on-site and check the usage and installation conditions, and we will propose a heat exchanger that meets your needs as much as possible, including piping and inspection methods, so that you can use it with peace of mind. For anything related to heat exchangers, please consult 'Sakaigawa Industries for Heat Exchangers.'

• Heat exchanger

Releasing boiler exhaust heat directly into the atmosphere wastes thermal energy. The exhaust heat recovery heat exchanger "SK Economizer," when installed on a boiler, efficiently recovers the heat from combustion exhaust gases to preheat the feedwater to the boiler, improving boiler efficiency and reducing fuel consumption, thus achieving energy savings. Additionally, it may comply with boiler structural standards based on the heat transfer area. "Narikawa Industrial of Heat Exchangers" has obtained boiler manufacturing permission, allowing for a wide range of proposals. 【Specifications】 ○ Function: Exhaust heat recovery ○ Heat medium: Water ○ Element materials: - Tubes: Steel pipe (STB), stainless steel pipe (SUS-TB) - Fins: Steel fins (SPCC), stainless steel fins For more details, please contact us.

• Cooling system

The heating and cooling heat exchangers "SK Water Coil" and "Sealed Type" have a case attached to the outer surface of the "In-Flight Installation Type," and all joints of the case are welded to prevent warm or cool air from leaking outside. In cooling operation, condensation water is generated when air or gas is cooled. The "Sealed Type" can have a bottom plate shaped like a drain pan, allowing for the collection of condensation water without leaking outside. Additionally, it has a shape that allows for direct duct connection, and we can accommodate the installation of insulation bolts and nuts on the heat exchanger body, as well as insulation work on the body itself. We design and manufacture large heat exchangers, small heat exchangers, and heat exchangers for high pressure, so please specify "Sealed Type" when making your request. 【Heat Exchanger Specifications】 ○ Functions: Generation of warm and cool air, dehumidification, heat recovery, solvent recovery, etc. ○ Heat Medium: Hot water, cold water, brine ○ Element Materials: - Tubes: Copper pipes, iron pipes, stainless steel pipes (please specify the material) - Fins: Copper fins, aluminum fins, iron fins, stainless steel fins (please specify the material) For more details, please contact us or download the catalog.

• Cooling system
• Heat exchanger

The cooling heat exchanger "SK Water Coil" is a heat exchanger that generates hot and cold air using water (cold and hot water). It is used as a hot air generation device in various industrial products' materials and production processes, operating at relatively low temperature ranges, and as a cooling device for organic solvent recovery using cold air. Additionally, it is also ideal for heating and cooling systems in business and residential spaces. 【Specifications】 ○ Function: Hot and cold air generation ○ Heat medium: Cold water, hot water ○ Element materials: - Tubes: Steel pipes, copper pipes, stainless steel pipes - Fins: Aluminum fins, copper fins, stainless steel fins For more details, please contact us or download the catalog.

• Cooling system

The cold air generation heat exchanger [SK unit cooler] uses cold water as a heat source and cools the air through a heat exchanger, which is then blown by a pressurized ventilation fan to provide spot cooling in living areas or production process sites. It is widely used for improving working environments. [SK Unit Cooler Specifications] ○ Function: Cold air generation ○ Heat medium: Cold water ○ Element materials: - Tubes: Steel pipes, copper pipes, stainless steel pipes - Fins: Aluminum fins, copper fins, stainless steel fins

• Cooling system

We also manufacture tanks and pressure vessels necessary for heat exchanger equipment. In the case of updating existing items, we will produce equivalent items if drawings are provided.

• air conditioning
• Heating device
• Heat exchanger

The heating heat exchanger "SK thermal oil coil" generates hot air using thermal oil. Due to this principle, it is also widely used for cooling lubricating oil. We offer a wide range of products tailored to various applications, including "duct-connected airtight type," "duct-connected standard type," and "in-cabin installation type." 【Specifications】 ○ Function: Hot air generation ○ Heat medium: Thermal oil ○ Element materials - Tube: Steel pipe (STPG, STB) Stainless pipe (SUS304, 304L, 316, 316L) - Fin: Steel fin (zinc-coated steel plate), stainless fin For more details, please contact us or download the catalog.

• Other heaters

Dehumidification is performed using the cooling heat exchanger "SK Water Coil" in the front section, and reheating is done using the heating heat exchanger "SK Plate Fin Heater" in the rear section to generate dry air at the set temperature. It is used for various industrial products' materials, production processes, and process air conditioning. 【Heat Exchanger Specifications】 ○ Function: For generating cold and warm air ○ Heat medium: Cold water, hot water, steam ○ Element materials: - Tubes: Steel pipes, copper pipes, stainless steel pipes - Fins: Aluminum fins, copper fins, stainless steel fins For more details, please contact us or download the catalog.

• Cooling system

The heat exchanger for dryers, [SK Plate Fin Heater], is a heat exchanger that generates warm and hot air by utilizing the latent heat of steam. It is used for drying in painting lines, large washing machine dryers, and other drying equipment and devices. For fine temperature adjustments and when there are significant load fluctuations due to production volume or season, it is recommended to use a split configuration. When split, it can be compactly stored in one case, allowing for low-cost production. [Specifications for Heat Exchanger for Dryers] ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For details, please request materials or view the PDF data from the download.

• Heat exchanger

The heating heat exchanger "SK Plate Fin Heater" is a heat exchanger that generates warm and hot air using steam. We also provide selection of the necessary steam piping components for the heat exchanger. Additionally, Sakigawa Industry can collaborate with equipment construction contractors to handle everything from steam boilers to installation work. For anything related to heat, please consult "Sakigawa Industry for Heat Exchangers." 【Heat Exchanger Specifications】 ■ Function: For generating warm and hot air ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For details, please request materials or view the PDF data available for download.

• Other heaters

A shell and tube heat exchanger consists of a shell (cylindrical body) with numerous tubes (heat transfer pipes) arranged inside, allowing heat exchange by flowing fluids with different temperatures on the shell side and the tube side. It can be adapted for all applications, including heating, cooling, evaporation, and condensation, regardless of low or high temperatures.

• air conditioning
• Heating device
• Heat exchanger

The cold air generation heat exchanger "SK Water Coil" can be used as a heat exchanger for solvent recovery and dehumidification machines. This heat exchanger circulates cooling water on the tube side to cool the gas, condensing organic solvents and moisture from the atmosphere to achieve solvent recovery and dehumidification. It has been installed in various customers' production lines and has received positive feedback due to its high recovery rate. Sakaigawa Industries designs and manufactures heat exchangers for solvent recovery and dehumidification, ranging from large heat exchangers for chemical plants to small heat exchangers suitable for low air volumes, tailored to specific applications. * When selecting a heat exchanger for solvent recovery, the physical properties of the solvent are required. * Please specify the material of the heat exchanger. * We may not be able to accommodate use in corrosive environments. * Please consult us if dealing with high-temperature air and moisture levels close to saturation. 【Heat Exchanger Specifications】 ○ Function: Cold air generation (solvent recovery and dehumidification through condensation) ○ Heat medium: Cold water / brine ○ Element materials: - Tube: Steel pipe, copper pipe, stainless steel pipe (please specify the material) - Fin: Aluminum fin, copper fin, stainless steel fin (please specify the material) For more details, please contact us or download the catalog.

• Cooling system
• Heat exchanger

The "SK Water Coil" is a heat exchanger that generates hot and cold air using water (cold and hot water). In heating applications, it is used as a heat exchanger for hot air generation devices in various industrial products and production processes at relatively low temperatures. In cooling applications, it serves as a heat exchanger for condensation devices aimed at dehumidification and organic solvent recovery. It is also ideal as a heat exchanger for heating and cooling systems in business and residential spaces. 【Heat Exchanger Specifications】 ○ Function: Hot and cold air generation ○ Heat medium: Cold water, hot water, brine ○ Element materials: - Tubes: Steel pipes, copper pipes, stainless steel pipes - Fins: Aluminum fins, copper fins, stainless steel fins For more details, please contact us or download the catalog.

• Cooling system

The heating heat exchanger "SK Plate Fin Heater" generates warm and hot air using steam. It is used for drying materials and production processes in various industrial products, as well as for warm air heating systems in business and residential spaces. 【Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The heating heat exchanger "SK Plate Fin Heater" generates warm and hot air using steam. It is used for drying materials in various industrial products and production processes, as well as for warm air heating systems in business and residential spaces. 【Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials 　・ Tubes: Steel pipes, stainless steel pipes, copper pipes 　・ Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request materials or view the PDF data from the download.

• Other heaters

The heating heat exchanger "SK Plate Fin Heater" generates warm and hot air using steam. It is used for drying materials and production processes of various industrial products, as well as for warm air heating systems in business and residential spaces. 【Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The heat exchangers from Sakigawa Industries have been used for ship air conditioning for many years. Leveraging our extensive track record and experience, we provide heat exchangers tailored to your needs. 【Specifications for Ship Air Conditioning Heat Exchangers】 ■ Function: For generating warm and hot air ■ Heat media: Steam, hot water, thermal oil ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request a brochure or view the PDF data available for download.

• Other heaters

The heating heat exchanger "SK Plate Fin Heater" is a heat exchanger that generates warm and hot air using steam. The "in-cabin installation type" is a heat exchanger installed inside air conditioning units or equipment that maintains airtightness. It offers excellent cost performance. If you provide us with the design and installation conditions, we will propose a heat exchanger suitable for your usage environment. 【In-Cabin Installation Type Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Usage conditions: Installed inside equipment that maintains airtightness, or if airtightness is not required. ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The plate fin heat exchanger "SK Plate Fin Heater/Cooler" increases the heat transfer area by attaching heat transfer plates (fins) to heating tubes at necessary intervals, enabling the heating and cooling of air and gas. The plate fin and tube from "Sakaigawa Industrial, the heat exchanger manufacturer," adopts a press-fit method. Important factors for the plate fin type include fin adhesion and precise fin pitch. "Sakaigawa Industrial" conducts tests on improved products regarding fin adhesion and fin shape using heat exchanger evaluation testing equipment. Additionally, thorough quality control is implemented to maintain accurate fin pitch during manufacturing. Leveraging years of experience and achievements, "Sakaigawa Industrial" designs and manufactures plate fin heat exchangers tailored to customer requirements. 【Heat Exchanger Specifications】 ■ Function: Generation of warm and hot air ■ Heat Medium: Steam ■ Element (Plate Fin and Tube Type) Materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request materials or view the PDF data available for download.

• Other air conditioning equipment
• air conditioning
• Heat exchanger

The duct-connected non-tight type heating heat exchanger [SK Plate Fin Heater] is a heat exchanger that generates warm and hot air using steam. If a slight leakage of gas passing through the duct is permissible, a non-tight type (standard type) with bolted casing is adopted. Upon request, it is also possible to caulk the casing connection parts and nozzle penetration parts. If airtightness is required, please choose the "airtight type" with full circumferential welding. [Non-tight Type Specifications] ■ Function: For generating warm and hot air (when the passing gas is air, etc., and slight leakage is permissible) ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For details, please request documentation or view the PDF data from the download.

• Other heaters

The heating heat exchanger "SK Plate Fin Heater" is a heat exchanger that generates warm and hot air using steam. It is used for drying materials in various industrial products and production processes, as well as for warm air heating systems in business and living spaces. 【Heat Exchanger Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The heating heat exchanger [SK Plate Fin Heater] is a heat exchanger that generates warm air and hot air using steam. The [SK Plate Fin Heater] is used for drying materials in various industrial products and production processes, as well as for heating systems in business and residential spaces. The term [airtight type] refers to a design where the heat exchanger itself becomes part of the duct when connecting gas directly to the airflow (ventilation duct), ensuring that warm or cold air does not leak outside by fully welding the casing joints all around to achieve complete sealing. [Heat Exchanger Specifications] ■ Function: Warm and hot air generation (completely sealed type) ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The heating heat exchanger "SK Plate Fin Heater" generates warm and hot air using steam. It is used for drying materials in various industrial products and production processes, as well as for warm air heating systems in business and residential spaces. 【Specifications】 ■ Function: Warm and hot air generation ■ Heat medium: Steam ■ Element materials - Tubes: Steel pipes, stainless steel pipes, copper pipes - Fins: Aluminum fins, steel fins, stainless steel fins, copper fins *For more details, please request documentation or view the PDF data available for download.

• Other heaters

The space heating and cooling heat exchanger [SK Erofin type radiator] is a radiator (heat exchanger) combined with the space heating radiator pipe [SK Erofin tube]. It is used for heating and insulation utilizing excess heat, exhaust heat, and waste hot water, as well as for forced convection cooling heat exchangers (sensible cooling). Additionally, the [SK Erofin tube] can be designed and manufactured according to your desired pipe diameter, fin width, fin pitch, and other specifications to match your preferred shape. [Specifications] ○ Function: For generating warm and cool air; for space heating and cooling through natural heat dissipation ○ Heat medium: Steam, hot water, cold water For more details, please contact us or download the catalog.

• tube

Depending on the quality of the cooling water used, impurities may adhere to the inner surface of the tubes, and using it as is can reduce the efficiency of the heat exchanger. The boundary river industry's tube cleaning type heat exchanger allows for regular inspection and cleaning of the heat transfer tubes by having an openable header structure. 【Heat Exchanger Specifications】 ○ Function: Can clean the inside of the tubes while installed ○ Heat Medium: The tube side must be liquid ○ Element Materials: - Tubes: Copper pipes, steel pipes (STPG, STB), SUS pipes - Fins: Aluminum fins, steel fins, SUS fins, copper fins For more details, please contact us or download the catalog.

• Cooling system
• air conditioning
• Heating device

We also manufacture heat exchangers for 9.53mm copper pipes in addition to heat exchangers for 15.9mm copper pipes. Our relatively small cooling heat exchangers, "Water Coil" and "Direct Expansion Coil," have received positive feedback from various sectors. 【Fin Pattern】 ○ T-type fin (22P×25.4mm) 　・ Tube: 9.53mm copper pipe 　・ Fin material: 0.2t aluminum plate, copper plate For more details, please contact us or download the catalog.

• Heat exchanger

The cooling heat exchanger "SK Brine Coil" is a heat exchanger that generates cold air using various brines (antifreeze). It is capable of producing cold air below zero degrees Celsius and is used as a heat exchanger for cooling devices aimed at dehumidification, drying, and the refrigeration and freezing preservation of food. Additionally, in cold regions where temperatures drop below freezing, the heat exchange tubes of the heat exchanger may burst and leak due to freezing. The cooling heat exchanger "SK Brine Coil" uses brine (antifreeze), which prevents freezing. *Please refer to the notes below.* *Note 1: The shape is the same as the heat exchangers for generating warm and cold air, the "SK Water Coil" for warm air and the "Heat Medium Oil Coil." Note 2: Choose a brine (antifreeze) that does not freeze at the minimum temperature and manage its concentration. Note 3: Using below the manufacturer's specified minimum concentration may lead to the growth of moss and a decrease in the heat exchanger's performance, so please be cautious. Note 4: Some antifreezes can corrode the heat exchange tubes. Please be careful when using them.* For more details, please contact us or download the catalog.

• Cooling system

The cooling heat exchanger "SK Direct Expansion Coil DX Type" is a heat exchanger that generates cool air using refrigerant (Freon). It is utilized in industrial applications for cooling air generation, dehumidification, drying, and for refrigeration and freezing storage of food. In the air conditioning field, it is used for cooling systems in residential spaces such as factories and ships, as well as for refrigeration heat exchangers. We will propose heat exchangers tailored to your needs using our uniquely developed calculation program. 【Heat Exchanger Specifications】 ○ Function: For generating cool air ○ Heat Medium: Freon gas (R404A, R410A, etc.) ○ Element Materials: - Tubes: Copper pipes - Aluminum fins, Copper fins We have created an Instagram account for Sakaigawa Industry! We will be sharing product information and more, so please search for "sakaigawa_industry" and follow us. For more details, please contact us or download the catalog.

• Cooling system

The heating heat exchanger "SK Erofin Heater" is a heat exchanger that uses Erofin tubes as elements. Like the "SK Plate Fin Heater," it generates warm air using steam. It is widely adopted in various fields for the purpose of drying materials and production processes in industrial products. It achieves compactness and high efficiency. The structure and materials are selected to withstand harsh operating conditions, allowing for safe use. 【Specifications】 ○ Function: Warm air generation ○ Heat medium: Steam ○ Element materials: - Tubes: Steel pipes (SGP, STPG, STB), stainless steel pipes, copper pipes - Copper fins, stainless steel fins, steel fins For more details, please contact us or download the catalog.

• Other heaters

The Erofin tube (radiant pipe for space heating) is a fin tube type radiator that is wrapped in a spiral around the outer circumference of a pipe, with fin plates (fins) closely attached to increase the surface area of the pipe. Erofin tubes are used as heat exchangers for heating storage rooms in factories and drying rooms. They are also utilized as heat exchangers (natural radiators) for promoting the growth of seedlings and vegetables in greenhouses such as vinyl houses. 【Erofin Tube "Fin Tube Type Radiator" Specifications】 ○ Function: Space heating, heat recovery (natural convection heat exchanger) ○ Heat medium: Steam, water (hot water) ◎ The catalog includes the radiant heat output of Erofin tubes combined with pipe diameter, fin width, and fin pitch. Please consult us for combinations not listed in the catalog. *For more details, please contact us or download the catalog.

• tube

The air conditioning heat exchanger [SK Water Coil] is an air conditioning heat exchanger installed inside air conditioning units that generates warm or cool air using water (cold or hot water) as the heat source. Since the air conditioning unit maintains airtightness, the air conditioning heat exchanger is a non-airtight type that only requires a fixed case. Depending on the region, it is also possible to switch to the [SK Brine Coil], which uses antifreeze as the heat source. Generally, copper pipes are used, but if high pressure, high-temperature water, or corrosion resistance is a priority, stainless steel can be used. When updating the heat exchanger in an existing air conditioning unit, even if changing to equivalent products or materials, you can verify the thermal load through capacity calculations if you provide the design conditions. For heat exchangers in air conditioning units and when updating existing products, please consult "Boundary River Industry for Heat Exchangers." [Heat Exchanger Specifications] ○ Function: For generating warm and cool air (for air conditioning) ○ Heat Medium: Cold water, hot water (compatible with high-pressure, high-temperature water, and antifreeze (brine)) ○ Element Materials: - Tubes: Copper pipes, stainless steel pipes (iron pipes acceptable) - Fins: Aluminum fins, copper fins, stainless steel fins For more details, please contact us or download the catalog.

• Cooling system

The high-temperature heating heat exchanger "SK thermal oil coil" is a heat exchanger that generates hot air using thermal oil. It is used as a heat exchanger for hot air generation devices in high-temperature ranges for various industrial products' materials and production processes, as well as for cooling thermal oil with air. The high-temperature heating heat exchanger "SK thermal oil coil" offers a wide range of heat exchangers tailored to different applications, including "duct-connected airtight type," "duct-connected standard type," and "in-unit installation type." 【Heat Exchanger Specifications】 ○ Function: Hot air generation (high-temperature range) ○ Heat medium: Thermal oil ○ Element materials: - Tubes: Steel pipes (STPG, STB), stainless steel pipes (SUS304, 304L, 316, 316L) - Fins: Steel fins (zinc-coated steel plate), stainless steel fins For more details, please contact us or download the catalog.

• Other heaters

The heating heat exchanger [SK Plate Fin Heater] is designed and manufactured as a plate fin type heat exchanger in compliance with the latest "Regulations for Safety Inspection of Fixed Pressure Vessels." [Heat Exchanger Specifications] ■ Function: For generating warm and hot air ■ Heat Medium: Steam ■ Element Materials - Tubes: Steel pipes, stainless steel pipes - Fins: Aluminum fins, steel fins, stainless steel fins ○ We obtained a general construction business license (No. 145983) from the Osaka Prefectural Governor on September 23, 2016! ○ On September 30, 2016 (Friday), we received the "Osaka Manufacturing Excellence Award 2016"! Please pay attention to Sakai River Industries as we continue our new initiatives! * For detailed information on the heat exchanger, please request materials or view the PDF data available for download.

• Other air conditioning equipment
• air conditioning
• Heat exchanger