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  1. Home
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  3. 貞徳舎
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貞徳舎

Establishment1949 year
capital1000Ten thousand
number of employees42
addressOsaka/Tsurumi-ku, Osaka-shi/2-4-48 Kitasumiyoshi, Imazu
phone06-4258-1051
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last updated:Dec 03, 2019
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貞徳舎 List of Products and Services

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Achieving a high temperature of 1000℃ and a large flow rate of 1Nm3/min【Hot Air Generation Device】

It reaches 1000°C in 5 minutes after turning on the switch! Optionally, it can go up to 1200°C! *Demo units are available for loan, and there are also optional control panel items.

The "Hot Air Generation Device" from Jotoku-sha is a device that can maintain high-temperature, high-flow hot air. It reaches 1000°C in just 5 minutes after switching on, and the optional 1200°C is achieved in 13 minutes, allowing for the reduction of unnecessary waiting time until high temperatures are reached. Additionally, despite its large capacity, it features a compact design, making efficient use of space. It can be installed either vertically or horizontally. We also offer an optional control panel with a touch screen that makes program creation easy. From consultation to installation, operation, regular inspections, and free installation services, we provide comprehensive after-sales support both before and after your purchase. 【Hot Air Generation Device Features】 ■ Simultaneously achieves high temperature (1000°C) and high flow rate (1Nm3/min) ■ Optional capability up to 1200°C ■ Compact design despite large capacity ■ Includes control panel and blower ■ One-year warranty for peace of mind, demo units available for loan ■ Flow rate can be adjusted while maintaining 1000°C *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device

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A must-see for those struggling with heat treatment! 《Selection guide available》

Easy installation that just requires insertion! Custom-designed and manufactured ceramic fiber heaters made possible by a heater manufacturer.

With 127 years of experience as a heater manufacturer, we solve our customers' problems with our expertise in heat treatment technology. Our company offers electric furnace heaters known as "ceramic fiber heaters," which are widely used in applications ranging from research to general industrial furnaces. Since the ceramic fiber, which is an insulating material, is combined with the heating element, it is lighter and easier to install in electric furnaces compared to traditional brick-mounted heaters. In addition to the standard "round wire coil" heating element, we use our original "strip heating element," which excels in heat uniformity and achieves high output in a compact space, allowing for rapid heating and cooling speeds. 【Features】 ■ Non-RCF (environmentally friendly specifications) / RCF boards can be produced ■ High-precision processing of boards is possible ■ Easy installation and replacement, saving time ■ There are cases where power has doubled and lifespan extended by replacing heaters from other companies ■ Replacement from gas furnaces is also possible! *In addition to ceramic fiber heaters, we have a wide range of products available. Please refer to our materials for more details. Feel free to contact us with any inquiries.

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[Case Study of Hot Air Generation Device] Heat Storage Type Deodorization Device

Simultaneously achieve high temperature and large flow rate! Heat organic compounds with hot air above 850°C for oxidative decomposition!

The "Hot Air Generating Device" from Seidokusha is a device that simultaneously achieves 1000°C and 1 Nm³/min. Since the outlet temperature is 1000°C, it maintains 800°C by the time it reaches the workpiece through the piping. Furthermore, temperature adjustments can be made by varying the length of the piping and wrapping it with insulation material. Company B has adopted our product because it is necessary to heat organic compounds to over 850°C for oxidative decomposition using hot air. 【Features of the Hot Air Generating Device】 ■ Capable of maintaining high-temperature, high-flow hot air ■ Reaches 1000°C in just 5 minutes after switching on ■ Compact design despite large capacity ■ Easy to install ■ No combustion gas is required to operate the device ■ Safe and clean, with no combustion noise, making it quiet *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device
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[Case Study of Hot Air Generation Device] Thermal Treatment of Fine Solid Fuels and Metal Powders

Stable supply of 1000℃ hot air! Replaced from other manufacturers to Seidokusha products, improving heat treatment effects!

The "Hot Air Generator" from Seidokusha is a device that simultaneously achieves 1000°C and 1Nm3/min. Since the outlet temperature is 1000°C, it maintains 800°C by the time the air reaches the workpiece through the piping. Additionally, temperature adjustments can be made by varying the length of the piping and adding insulation. At National University B and Company A, they previously used hot air at 800°C from other manufacturers, but by switching to Seidokusha's product, they are now able to stably supply hot air at 1000°C, resulting in improved heat treatment effects. 【Features of the Hot Air Generator】 ■ Capable of maintaining high-temperature, high-flow hot air ■ Reaches 1000°C in just 5 minutes after switching on ■ Compact design despite large capacity ■ Easy to install ■ No combustion gas is required to operate the device ■ Safe and clean, with no combustion noise, making it quiet *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device
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[Case Study of Hot Air Generation Device] Durability and Heat Resistance Testing of Honeycomb Material

Simultaneously achieve high temperature and large flow! The outlet is at 1000°C, so even when it cools down, it comfortably stays at 800°C!

The "Hot Air Generation Device" from Teitokusha is a device that simultaneously achieves 1000°C and 1Nm3/min. Since the outlet temperature is 1000°C, it can still reach 800°C by the time it arrives at the workpiece through the piping. Additionally, temperature adjustments can be made by varying the length of the piping and wrapping it with insulation. At National University A, there was a need to continuously apply hot air at 800°C to honeycomb materials, and with an outlet temperature of 1000°C, we were able to comfortably meet the 800°C requirement, which was well received. 【Features of the Hot Air Generation Device】 ■ Can maintain high-temperature, high-flow hot air ■ Reaches 1000°C in just 5 minutes after switching on ■ Compact design despite large capacity ■ Easy to install ■ No combustion gas is required to operate the device ■ Safe and clean, with no combustion noise, making it quiet *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device
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Custom Manufacturing of Electric Furnace Heaters

The electric furnace heaters from Teitokusha, proud of their long lifespan! We shape various heaters.

At Teitokusha, we custom-manufacture heaters for electric furnaces that operate in harsh environments with extreme temperature fluctuations. For 126 years since our founding, we have been producing refractory materials (refractory bricks, insulators) and have developed unique technologies based on our expertise in heat resistance and insulation, providing innovative products. We solve problems related to specific requests and bring various heaters to life. Additionally, we take pride in the long lifespan of our heaters. We have a track record of them being used continuously for 20 to 30 years. Please consult us even for special items or those that have been declined by other companies. 【Features】 ■ Provision of innovative products through unique technology ■ Problem-solving for specific requests ■ Quick and careful responses to inquiries related to heating, cooling, and other thermal concerns ■ Provision of long-lasting heaters *For more details, please refer to the PDF materials or feel free to contact us.

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[Application/Applicable Furnace Type] Metal Frame Heater

Supports up to 900℃ in the furnace! Industrial electric heater that can be used in a clean environment.

The "Metal Frame Heater" provided by Teitokusha is an industrial electric heater that can be safely used in applications requiring a clean environment, such as metal heat treatment furnaces, semiconductor diffusion furnaces, glass heat treatment furnaces, and various experimental furnaces. It is suitable for various types of furnaces, including round and square pit furnaces, bell-type furnaces, box-type batch furnaces, tubular furnaces, roller hearth furnaces, and cart furnaces, without restriction on the type of furnace. In cases where insulation materials cannot be used in vacuum furnaces, we introduced the "FW type," a surface heater, to meet the conditions for uniform heating. The design required to prevent vacuum discharge and the ability to accommodate details such as fixing to the case and TC holes were tailored to the customer's requests, which they were very pleased with. 【Applications】 ■ Various metal heat treatment furnaces (quenching, annealing, homogenization, carburizing) ■ Various wire materials ■ Pipe continuous furnace processing (stainless steel, copper, aluminum, etc.) ■ Aluminum melting and holding furnaces ■ Brazing furnaces ■ Semiconductor diffusion furnaces ■ CVD furnaces ■ Weak current and electronic related continuous processing furnaces ■ Glass heat treatment furnaces ■ Various experimental furnaces, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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Application example: Metal frame heater

You can design the installation at your preferred angle! It can also be used in small spaces and cylindrical shapes.

The "Metal Frame Heater (FW Type)" is an industrial electric heater designed for use in clean environments, featuring a ceramic fiber-less specification. It can be installed at any angle, and repairs or upgrades can be performed through part replacements. Additionally, we offer the "Basic Type (NEW-PISR Type)" which can be used in small spaces, and the "Radiant Heater Type (TRH-MC Type)" which is recommended for cylindrical use. The "Basic Type (NEW-PISR Type)" has a subdivided heating zone, allowing for temperature settings based on operational conditions. It is a high-performance heater that uses ceramic fiber only in some parts, making it suitable for clean environments. The "Radiant Heater Type (TRH-MC Type)" maintains shape stability by securing the heating element with insulators, enabling zone division without movement of the heating element. 【Features (FW Type)】 ■ Installation design can be done at any desired angle ■ Repairs and upgrades are possible through part replacements *For more details, please refer to the PDF materials or feel free to contact us.

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Technical Introduction: Metal Frame Heater

Rapid temperature rise and fall is possible! Industrial electric heater with a heating element stopped by ceramics.

The "Metal Frame Heater" uses metal for the frame and employs a structure that suspends the heating element by making it thinner, resulting in reduced thermal capacity and enabling rapid temperature rise. The heating element is secured with ceramics to prevent it from falling off. The technology for securing the heating element with ceramics is unique to Seidokusha (patented technology). Additionally, by suspending the heating element, the heat from the back can also be utilized as radiant heat. [Features] ■ The heat from the back can also be used as radiant heat ■ Calculated the direction of expansion of the heating element and added a bulge ■ Secured the heating element with ceramics to prevent it from falling off *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study] Metal Frame Heater FW Type

Recommended for those who want to use it in a clean environment! Case study of the surface heater "FW type".

We would like to introduce a case study of the 'Metal Frame Heater,' which can operate at temperatures up to 900°C and is designed without ceramic fiber, making it suitable for use in clean environments. Due to the inability to use insulation materials in vacuum furnaces and to meet the conditions for uniform heating, we proposed the planar heater model "FW type," which was successfully implemented. The design needed to prevent vacuum discharge, and we were able to accommodate details such as fixing to the case and TC holes according to the customer's requests, which made them very happy. Additionally, we have a track record of delivering FW heaters for standalone testing. They can also be used for testing purposes, serving as a basis for determining whether they can be adapted to the customer's equipment. 【Product Introduced】 ■ Ceramic Fiberless Type (FW Type) ・Maximum Operating Temperature (inside furnace): 900°C ・Wall Watt Density: up to 10w/cm² ・Shape: Rectangular Plate ・Manufacturable Dimensions: W100×L250×t30mm and above *For more details, please refer to the PDF document or feel free to contact us.

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Examples of extending heater lifespan for ceramic fiber heaters!

We respond to requests such as wanting to extend lifespan and introducing heaters that are less prone to disconnection!

The "Ceramic Fiber Heater" from Teitokusha is a heater capable of operating at temperatures up to 1200°C inside the furnace. We offer a lineup of heaters including strip-type heating elements that are space-saving and have high output, as well as round wire coil heating elements and irregularly shaped heating elements. We respond to requests such as "I want to extend the lifespan of the heater," "I want to introduce a heater that is less prone to breakage," and "I want to make a large furnace body as compact as possible." 【Case Studies】 <Case: I want to extend the lifespan of the heater> ■ Proposed and introduced a heater using a strip-type heating element (TELF-PISR type) - Can take a large power load per unit area, allowing for high output in a compact space - Excellent heat uniformity enables even heating of the object being heated ◎ After introduction: Lifespan doubled, power also doubled! *For more details, please refer to the PDF materials or feel free to contact us.

  • Heating device
  • Ceramic Heater
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Ceramic fiber heater capable of withstanding temperatures up to 1200°C *Examples of applications included.

Capable of handling temperatures up to 1200℃! Active in applications such as metal heat treatment furnaces and aluminum melting furnaces.

The "Ceramic Fiber Heater" from Teitokusha is a heater capable of operating at temperatures up to 1200°C inside the furnace. It features a lineup including the "Strip Heating Element Heater," which is space-saving and offers high output with excellent heat uniformity, as well as "Round Wire Coil Heating Element Heaters" and "Special-Shaped Heating Element Heaters." These heaters can be used for various applications, including metal heat treatment furnaces for quenching, annealing, homogenizing, and carburizing, as well as continuous processing furnaces related to weak electricity and electronics. 【Examples of Applications】 ■ Various metal heat treatment furnaces (quenching, annealing, homogenizing, carburizing) ■ Various wire materials ■ Pipe continuous processing furnaces (stainless steel, copper, aluminum, etc.) ■ Aluminum melting and holding furnaces ■ Weak electricity and electronics-related continuous processing furnaces ■ Brazing furnaces ■ Ceramic firing furnaces ■ Semiconductor diffusion furnaces ■ CVD furnaces ■ Ceramic firing furnaces ■ Glass heat treatment furnaces ■ Various experimental furnaces *For more details, please refer to the PDF materials or feel free to contact us.

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  • Ceramic Heater
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Ceramic Fiber Heater: From large industrial furnaces to small test furnaces.

Capable of handling temperatures up to 1200℃ in the furnace! A variety of options available, including surface hardening treatment and binder removal treatment.

The "Ceramic Fiber Heater" from Teitokusha is a heater that can handle temperatures up to 1200°C inside the furnace. The "Strip Heating Element Heater" can accommodate a large power load per unit surface area, allowing for high output in a compact space. It excels in heat uniformity, enabling even heating of the objects being heated. Additionally, we offer standard products such as the "Round Wire Coil Heating Element Heater" and high-performance, large-capacity types like the "Irregular Heating Element Heater." Since we design and produce in-house, we can respond flexibly to various needs, from large industrial furnaces to small test furnaces. 【Product Features】 ■ Supports up to 1200°C inside the furnace ■ High output in a compact space ■ Excellent heat uniformity ■ In-house design and production ■ Abundant options *For more details, please refer to the PDF document or feel free to contact us.

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  • Ceramic Heater
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Ceramic Fiber Heater - Uniform Heat Distribution, High Performance, High Output

A must-see for those who want to increase capacity with the same area and require special processing! High thermal uniformity high-output heater.

The "Ceramic Fiber Heater" from Teitokusha is a heater capable of operating at temperatures up to 1200°C inside the furnace. The "Strip Heating Element Heater" can take a large power load per unit area, allowing for high output in a compact space. It excels in heat uniformity, enabling even heating of the items being heated. Additionally, we offer standard products like the "Round Wire Coil Heating Element Heater" and high-performance, large-capacity types such as the "Special-Shaped Heating Element Heater." Since we design and produce in-house, we can respond flexibly. We cater to all needs, from large industrial furnaces to small test furnaces. 【Recommended for customers like these!】 ■ Want to increase capacity in the same area ■ Want special shapes or processing ■ Want to leave the furnace management to us *For more details, please refer to the PDF document or feel free to contact us.

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【Hot Air Generation Device】A compactly designed device for high temperature and large flow rate.

Exhaust temperature of 1000℃, still a comfortable 800℃ upon arrival of the workpiece! A hot air generation device with numerous successful implementations.

The "Hot Air Generation Device" from Jotoku-sha is a compactly designed device that can maintain high-temperature, high-flow hot air. It reaches an outlet temperature of 1000°C within 5 minutes of switching on. Even when 800°C hot air is required upon the arrival of the workpiece, it can easily accommodate this requirement, considering cooling after handling. 【Case Study】 ■ Conditions: Outlet temperature 1000°C, Workpiece 800°C ■ Application: Testing to observe changes in material and composition by applying hot air for a certain period We have many other successful cases as well. ◎ We also offer demo unit rentals, so please feel free to consult with us. * For more details, please refer to the PDF document or feel free to contact us.

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【Hot Air Generation Device】Maintains high-temperature, high-flow hot air. *Examples of applications introduced.

Simultaneously achieving high temperature and large flow rate! Active in applications such as mold heating processes and processing evaluation tests.

The "Hot Air Generation Device" from Teitokusha is a device that can maintain high-temperature, high-flow hot air. It reaches 1000°C in just 5 minutes after switching on, allowing for use only when needed. Despite its large capacity, it has a compact design that does not waste space. It can be used for various applications, including hot N2 purging of semiconductor manufacturing equipment exhaust pipes, evaluation tests of materials and processed products, downward installation for mold heating processes, and continuous furnaces. Our company offers comprehensive services from consultation to installation, operation, and regular inspections. We also provide demo units for loan, so please feel free to contact us. 【Examples of Applications】 ■ Hot N2 purging of semiconductor manufacturing equipment exhaust pipes ■ Evaluation tests of materials and processed products ■ Welding of plastic products such as PET bottles ■ Mold heating processes ■ Various heating processes related to steel and iron ■ Auxiliary heating for piping for chemical manufacturers ■ Aluminum melting ■ Experimental use for drying manufacturing lines (500°C) *For more details, please refer to the PDF materials or feel free to contact us.

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【Hot Air Generation Device】 Simultaneously high temperature and large flow rate *Technical documentation available

A hot air generation device that simultaneously achieves high temperature and large flow rate! Introducing its performance with graphs.

The "Hot Air Generation Device" from Teitokusha is a device that can maintain high-temperature, high-flow hot air. It reaches 1000°C in just 5 minutes after switching on, allowing you to use it only when needed. Despite its large capacity, it has a compact design that does not waste space. Our company offers comprehensive services from consultation to installation, operation, and regular inspections. We also provide demo units for rental, so please feel free to contact us. 【Features】 ■ Simultaneously achieves high temperature (1000°C) and high flow rate (1Nm3/min) ■ Reaches 1000°C in 5 minutes after switching on ■ Compact design despite large capacity ■ Includes control panel and blower ■ Comprehensive service *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device

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【Hot Air Generation Device】 Compact design despite large capacity

Simultaneously achieve high temperature and large flow! A control panel with enhanced features is available as an option.

The "Hot Air Generation Device" from Joto-sha is a device that can maintain high-temperature, high-flow hot air. It reaches 1000°C in just 5 minutes after switching on, so it can be used only when needed. Despite its large capacity, it has a compact design that does not waste space. It can be installed in either vertical or horizontal orientation. We also offer an optional control panel with a touch screen that makes program creation easy. Our company provides comprehensive services from consultation to installation, operation, and regular inspections. We also offer demo units for loan, so please feel free to contact us. 【Features】 ■ Achieves high temperature (1000°C) and high flow rate (1Nm3/min) simultaneously ■ Reaches 1000°C in 5 minutes after switching on ■ Compact design despite large capacity ■ Includes control panel and blower ■ Comprehensive service *For more details, please refer to the PDF document or feel free to contact us.

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Hot Air Generation Device: Achieving High Temperature and Large Flow Rate Simultaneously

For those who want to use work at high temperatures and improve factory environments! Easy-to-install hot air generator.

The "Heat Wind Generation Device" from Jotaku-sha contributes to solving customer requests and problems by simultaneously achieving high temperatures and large flow rates. 【Recommended for customers like these!】 ■ Want to use workpieces at 800°C ■ Cannot use combustion gases ■ Extensive and difficult piping work ■ Want to improve the factory environment Our product has an outlet temperature of 1000°C, so it comfortably maintains 800°C even when cooled. Temperature adjustments can be made by varying the length of the piping and wrapping it with insulation material. The combustion gas required to operate the device can be replaced with electricity, making it safe, clean, and quiet without combustion noise. ◎ We also offer demo unit rentals, so please feel free to consult with us. *For more details, please refer to the PDF materials or feel free to contact us.

  • Heating device

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Hot air generation device: Support from consultation to installation, operation, and regular inspections.

Simultaneously achieving high temperature and large flow! Reliable support from introduction consideration to aftercare.

The "Hot Air Generation Device" from Teitokusha is a device that can maintain high-temperature, high-flow hot air. It reaches 1000°C in just 5 minutes after switching on, allowing you to use it only when needed, and despite its large capacity, it features a compact design that does not waste space. Additionally, we support our customers with a reliable concierge service from simulation and consultation during the introduction phase to installation, operation, and regular inspections. We also offer demo units for loan, so please feel free to contact us. 【Features】 ■ Simultaneously achieves high temperature (1000°C) and high flow rate (1Nm3/min) ■ Reaches 1000°C in 5 minutes after switching on ■ Compact design despite large capacity ■ Includes control panel and blower ■ Comprehensive service *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device

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"Hot Air Generation Device" *Demo unit available for loan*

Maintain high-temperature, high-flow hot air! This electric device, which does not require combustion gases, reaches 1000°C in just 5 minutes!

The hot air generation device is an electric device that simultaneously achieves 1000°C and 1Nm3/min. It can be easily installed and uses electricity for operation, eliminating the need for combustion gases. There is no combustion noise, ensuring a safe and clean environment. Additionally, it reaches 1000°C within 5 minutes of turning on the switch, making it available for use only when needed. Since the outlet temperature is 1000°C, it can be used for workpieces at 800°C, and temperature adjustments can be made by varying the length of the piping or adding insulation. Recommended for those who say, "I can't use combustion gases," "The piping work is extensive and difficult," or "I want to improve the factory environment." We provide comprehensive service from before purchase to after-sales support. We also offer demo unit rentals! 【Features】 ■ Maintains high-temperature, large-volume hot air (1000°C at 1Nm3/min) ■ Reaches 1000°C in 5 minutes after switching on ■ Large capacity, compact design ■ Usable both vertically and horizontally ■ Easy installation ■ Safe and clean, quiet with no combustion noise *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device

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[Case Study] Hot Air Generation Device

Maintaining high-temperature, high-flow hot air. Introducing a case study of the electric device "hot air generator" that does not require combustion gas!

We would like to introduce a case study of the "hot air generation device" from Seidokusha Co., Ltd., which custom-manufactures heaters for electric furnaces operating in harsh environments with severe temperature fluctuations. 【Case Study】 ■ With an outlet temperature of 1000°C, it allows for a comfortable 800°C upon workpiece arrival. Since 800°C of hot air is required when the workpiece arrives, having an outlet temperature of 1000°C ensures that even considering cooling after handling, achieving 800°C is comfortably feasible. Conditions: Outlet temperature 1000°C, Workpiece 800°C Application: Testing to observe changes in material and composition by applying hot air for a certain period. 'Metal Frame Heater' An electric device that simultaneously achieves 1000°C and 1 Nm³/min. It does not require combustion gas to operate, and there is no combustion noise, making it quiet. Additionally, with an outlet temperature of 1000°C, the workpiece can be used at 800°C, and temperature adjustments are possible by considering the length of the piping and wrapping insulation. *We have many other achievements as well. Please contact us for more details.

  • Other heaters

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[Case Study] Ceramic Fiber Heater

Customized according to the heating area. Examples of introducing ceramic fiber heaters that can accommodate special shapes and special processing, with shape selection based on capacity and application.

We would like to introduce a case study of ceramic fiber heater implementation by Teitokusha Co., Ltd. 【Case Study】 ■ The lifespan has increased. "I want to extend the lifespan of the heater." ⇒ We proposed and implemented a heater using a band-type heating element (TELF-PISR type). The lifespan doubled, and the power also increased twofold. ■ There are no more disconnections. "I need a heater that is less prone to disconnections and easy to maintain." ⇒ After multiple discussions with the customer, we proposed and implemented a heater using a non-standard heating element (TELF-PISR-HD type) that can be replaced without removing the equipment during replacement. The heater has a long lifespan and is still in operation without any disconnections. ■ We manufactured it as a product compliant with RCF regulations. "Since it is a large furnace body, I want to make it as compact as possible." ⇒ By using high-performance insulation material made of alumina fiber board, we were able to reduce the thickness of the insulation material on the furnace wall. Additionally, we handled the terminal connections, so the customer only needed to install the equipment without any hassle. *For more details, please download the PDF document or feel free to contact us.

  • Other heaters

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[Case Study] Metal Frame Heater / Quartz Irregular Tube Heater

Introducing case studies of metal frame heaters and quartz atypical tube heaters!

We would like to introduce a case study of heater installation by Seidokusha Co., Ltd., which custom-manufactures electric furnace heaters that operate in harsh environments with severe temperature fluctuations. 【Case Study】 ■ Production with a special shape has been realized. Since insulation materials cannot be used in vacuum furnaces, we proposed the FW type, which is a surface heater, to meet the conditions for uniform heating, and it was successfully implemented. A design to prevent vacuum discharge was necessary, and we were able to accommodate details such as fixing to the case and TC holes according to the customer's requests, which made them very happy. ■ It can also be used for testing purposes. It is also used as a reference material to determine whether it can be adapted to the customer's equipment. We delivered the FW heater for use in standalone testing. 'Metal Frame Heater' Can be used safely without ceramic fiber. The heating element has a TC (temperature sensor) welded to it, allowing for temperature control. It has a wide range of uniform heating. 'Quartz Irregular Tube Heater' Metal heating elements are covered with quartz glass to prevent contamination, accommodating a cleaner environment of a higher standard. The use of strip heating elements provides a large heating area, and zone division and unit design are also possible. *For more details, please contact us or refer to the materials.

  • Other heaters

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Radiation and thermal efficiency of radiation-type heaters on heated objects (Teitokusha Column)

Basic knowledge about the thermal efficiency of radiation and radiation-type heaters on heated objects.

Since its founding over 130 years ago, the company has spent about 100 years as a refractory manufacturer and has ventured into the electric heater industry in the last 30 years. We have been committed to responding to the wishes and requests of customers in various industries and focusing on the development of new products based on new technology. That is why we provide useful knowledge about heaters. <Radiation> Heat transmitted by electromagnetic waves. No material is needed to conduct heat. The energy intensity increases in proportion to the fourth power of absolute temperature. The effectiveness of radiators (mainly heating elements) is significant at temperatures above 800°C. <Heat efficiency of radiation-type heaters to heated objects> ■ The wavelength of radiant heat is determined by the temperature of the heating element. Example: 1000°C (1273K) peak wavelength 2.3μm. Black body (perfect) > absorbs all incident energy. White body (perfect) > reflects all incident energy. Transparent body (perfect) > transmits all incident energy. ■ The absorption, reflection, and transmission characteristics are determined by the material (strong wavelength dependence). General materials > Absorption rate: varies with surface condition (mirror finish, surface roughness, oxidation level) / Transmission rate: usually considered to be zero. Materials like glass > Absorption rate: varies significantly with wavelength / Transmission rate: mostly transmits. *For more details, please contact us or download the PDF.

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How Heat Transfers / Conduction and Transmission (Teitokusha Column)

Basic knowledge about heat transfer/conduction and transmission.

Since its establishment over approximately 130 years ago, the company has spent about 100 years as a refractory manufacturer and has ventured into the electric heater industry in the last 30 years. We have been committed to responding to the wishes and requests of customers in various industries and focusing on the development of new products based on new technology. That is why we provide useful knowledge about heaters. <How Heat Transfers> Three Principles of Heat Transfer + 1 ⇒ Conduction, Convection, Radiation + Convection (liquid and gas) ~Conduction~ A form of heat transfer within the same material. Heat moves from the high-temperature side to the low-temperature side. The conduction characteristics change depending on the thermal conductivity (which can be altered). ~Convection~ Heat moves between different materials (solid, liquid, gas). The efficiency of heat transfer between solids varies significantly based on the degree of contact. If the heating element is closely attached to the workpiece, the transfer efficiency becomes very good. *For more details, please contact us or download the PDF.

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What is heat treatment / Heat treatment and tools (Teitokusha Column)

What is heat treatment? - Basic knowledge about heat treatment and tools.

Since its establishment over 130 years ago, the company has spent about 100 years as a refractory manufacturer and has ventured into the electric heater industry in the last 30 years. We have responded to the wishes and requests of customers in various industries and have focused on developing new products centered around new technology. That is why we provide useful knowledge about heaters. <What is heat treatment?> A place where various heat sources make it possible. Heating (or cooling) the object to be heated ⇒ Energy exchange This is called a furnace. The object to be heated is surrounded by insulation (for heating and energy saving). ~Heat Sources~ Chemical reactions (oxidation, combustion) Arc Plasma Electromagnetic waves (low frequency, high frequency, induction), microwaves, far infrared, near infrared <Humans are tool-using creatures> The encounter with heat (campfire) dramatically advanced the development of tools. From the campfire, the idea of warming and cooking food was born, leading to the creation of ironware from the concept of heating vessels. *For more details, please contact us or download the PDF.

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Refractory bricks and insulators used in various electric furnaces.

We propose bricks and insulators that match the intended purpose with a diverse lineup. The use of wooden molds also helps reduce initial costs.

Our company has consistently manufactured various types of refractory materials. With approximately 130 years of experience and achievements alongside bricks, we meet all kinds of needs. The refractory bricks and insulators used in various electric furnaces have unique characteristics. As a pioneer in the manufacturing of industrial refractory bricks, particularly for electric furnaces, we propose the optimal bricks suited to their applications and purposes. Please feel free to consult with us. 【Features】 - A wide variety of products available for diverse applications - Reduced initial costs through wooden mold shaping - Custom insulators can be produced according to their intended use, thanks to our unique know-how *For more details, please contact us or download the PDF.

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Quartz tubular heater

Zone division and unit design are possible! We accommodate a cleaner environment of a higher standard.

The "Quartz Variant Tube Heater" is a heater that prevents contamination by sealing a metal heating element with quartz glass. By using a strip-type heating element, it allows for a wide heating area and enables zone division and unit design. We offer a lineup that includes the "Oval Type," which can be used for heating food and water, the "Flat Panel Type," which can be used for heating glass for building materials, and the "Radiant Type," which can be used for heating cleaning tanks for conductors. 【Features】 ■ Prevents contamination ■ Wide heating area ■ Increased work heating speed ■ Uniform heating achieved with only metal heating elements ■ Contributes to energy savings *For more details, please download the PDF document or contact us.

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  • Other heaters

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Metal Frame Heater

Supports up to 900℃ in the furnace! Can be used in a clean environment with a ceramic fiber-less design.

The "Metal Frame Heater" is a heater that can operate up to 900°C inside the furnace and is designed without ceramic fibers. It can be used in a clean environment. This product allows for temperature control of the heating element by welding a TC (temperature sensor) to it. Since the heating surface is used across the entire frame, it evenly heats a wide area. The metal frame structure makes it easy to install onto the furnace shell, reducing construction time. Its rapid heating and cooling speed also contributes to increased production efficiency. 【Features】 - Ceramic fiber-free design - Operates up to 900°C inside the furnace - TC (temperature sensor) can be welded to the heating element - Heating surface used across the entire frame - Capable of rapid heating and cooling with low thermal capacity *For more details, please refer to the PDF document or feel free to contact us.

  • Other Auto Parts

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Ceramic fiber heater

Supports up to 1200℃ in the furnace! Responding to various needs from large industrial furnaces to small test furnaces.

The "Ceramic Fiber Heater" is a multi-heater that can be used from research applications to general industrial furnaces. It enables high-precision processing of ceramic fiber boards using NC routers based on data from 3D/2D CAD. Additionally, it allows for high-strength bonding with in-house adhesives and enhances strength and reduces dust generation with coatings. It features standard radiant heating heaters, including the "Round Wire Coil Heating Element Heater" suitable for a wide range of applications, as well as the "Strip Heating Element Heater" and "Special-Shaped Heating Element Heater," which excel in heat uniformity. 【Features】 ■ Usable from research applications to general industrial furnaces ■ Capable of high-precision processing ■ Shape selection based on capacity and application ■ Flexible response due to in-house design and production ■ Environmentally friendly specifications (Non-RCF) available *For more details, please download the PDF document or contact us.

  • Other Auto Parts

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Hot Air Generation Device

[Demo unit available for loan] Maintains high-temperature, high-flow hot air! Electric device that does not require combustion gas.

The "Hot Air Generation Device" is an electric device that simultaneously achieves 1000°C and 1Nm³/min. This product can be easily installed and operates using electricity, eliminating the need for combustion gases. It operates silently, creating a safe and clean environment. Additionally, it reaches 1000°C within 5 minutes of switching on, allowing for use only when needed. The outlet temperature is 1000°C, enabling the use of workpieces at 800°C, and temperature adjustments can be made by varying the length of the piping or adding insulation. Recommended for those who cannot use combustion gases, find extensive piping work challenging, or wish to improve their factory environment. We provide comprehensive support from pre-purchase to after-sales service. 【Features】 ■ Maintains high-temperature, high-flow hot air (1000°C at 1Nm³/min) ■ Reaches 1000°C within 5 minutes of switching on ■ Large capacity and compact design ■ Usable both vertically and horizontally ■ Easy installation ■ Safe, clean, silent operation without combustion noise *For more details, please refer to the PDF document or feel free to contact us.

  • Heating device

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