ニッシンコーポレーション List of Products and Services

The "expansion joint for roll seals" is a product that accommodates large expansion and displacement due to our unique structure. It was developed for sealing between the roll shaft and furnace wall for the transportation and trajectory correction of thin steel plates in cold rolling plants (continuous annealing furnaces and surface treatment) in steel manufacturing plants. In continuous annealing furnace equipment and devices, it is used for sealing rolls, including "steering roll," "tension pickup roll," and "hearth roll," to ensure stable feeding of steel plates. 【Features】 ■ Compatible with high-temperature fluids such as HN gas ■ Accommodates large expansion and displacement due to our unique structure ■ Developed for sealing between the roll shaft and furnace wall ■ Expansion joints made of non-metallic and metallic materials *For more details, please refer to the PDF document or feel free to contact us.

The "snout lifting device expansion joint" is a product designed to handle high-temperature fluids such as HN gas. It is a non-metallic and metallic expansion joint intended for sealing when thin steel sheets pass through the plating tank in cold rolling equipment at steel plants, capable of accommodating large expansion and displacement due to our unique structure. We offer a "metal snout lifting device" that allows for the installation of insulation materials and heaters, as well as a "non-metal snout lifting device" that uses non-metallic bellows for ultra-low reaction force and enhanced flexibility. 【Features】 ■ Compatible with high-temperature fluids such as HN gas ■ Accommodates large expansion and displacement due to our unique structure ■ Non-metallic and metallic expansion joints designed for sealing when thin steel sheets pass through the plating tank in cold rolling equipment at steel plants *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the "CDQ Equipment Expansion Joint" handled by Nisshin Corporation. This is an ultra-large rectangular expansion joint used for absorbing thermal contraction in the piping between boilers and chambers in steel mills. It is designed to accommodate large expansions with low reaction forces. In addition to this product, we also offer a variety of other products, including "Expansion Joints for Snout Elevating Devices," "Expansion Joints for Blowers," and "Expansion Joints for Powder Transport." Please feel free to contact us for inquiries. 【Features】 ■ Used for absorbing thermal contraction in the piping between boilers and chambers in steel mills ■ Ultra-large rectangular expansion joint ■ Accommodates large expansions with low reaction forces *For more details, please refer to the PDF document or feel free to contact us.

The "Corrosion-Resistant and Non-Stick Expandable Joint" is a product that enhances corrosion resistance and non-stick properties by using fabric made of fluororesin, extending durability compared to conventional expandable joints. By using a fluororesin coating and a buffed inner tube, it is possible to reduce direct contact with the bellows body and achieve non-stick properties. This expandable joint is designed for installation in areas where corrosion resistance is required against strong corrosive gases and fluids, as well as in areas where low friction is necessary for powders and viscous fluids. 【Features】 ■ Uses fabric made of fluororesin ■ Improves corrosion resistance and non-stick properties ■ Extends durability compared to conventional expandable joints ■ Can be combined with heat-resistant and weather-resistant sheets ■ Reduces direct contact with the bellows body and achieves non-stick properties *For more details, please refer to the PDF document or feel free to contact us.

The "duct expansion joint" is a product that excels in high-temperature durability and sealing performance. It is an expansion joint designed to absorb piping errors and thermal expansion in factory piping, providing suitable products based on usage conditions. Despite being non-metallic, it can withstand high temperatures and accommodate large expansions and displacements with low reaction force. We offer "high-temperature" options as well as "general-purpose" options that allow for various combinations based on diverse specification conditions from a wide range of material types. 【Features】 ■ Selection of metal or non-metal materials based on temperature, fluid, pressure, and expansion amount ■ Design tailored to usage conditions, providing optimal products ■ Selection of plate thickness from thick to thin according to conditions, with a wide range of diameters ■ Metal materials available include SUS304, 304L, 316, 316L, 310S, Inconel, and Hastelloy *For more details, please refer to the PDF document or feel free to contact us.

We handle "flexible joints for blowers" that can accommodate large to small blowers. Depending on the blower specifications, you can choose between metal and non-metal materials. These flexible joints are designed to be installed on the discharge and suction sides of the blower to absorb vibrations. We offer a "non-metallic" option that can be combined with corrosion-resistant and non-stick applications, as well as a "metallic" option that excels in low reaction and expansion capabilities. 【Features】 ■ Selection of metal or non-metal materials based on blower specifications ■ Compatible with large to small blowers *For more details, please refer to the PDF document or feel free to contact us.

The product is used for dust prevention measures and to prevent entanglement of cylinders and shafts. It can accommodate a particularly wide range of extension amounts, and the vertical and horizontal mounting directions are flexible. We offer a "safety cover" that provides safety through a variety of fabric materials and structures, and a "dust cover" that enhances durability by using fabric materials excellent in oil resistance, water resistance, and weather resistance. 【Features】 ■ Can be detached and attached without removing the shaft due to its two-part structure ■ Flexible vertical and horizontal mounting directions ■ Capable of accommodating a particularly wide range of extension amounts *For more details, please refer to the PDF document or feel free to contact us.

The "Flexible Joint for Powder Transport" is a product that excels in heat resistance and durability, designed for the transportation of combustion ash. It is also used at the inlet and outlet of vibrators. This flexible joint prevents scattering and blowing caused by drops during the loading of powders for port transport and civil engineering, allowing for the smooth transport of highly abrasive powders. Additionally, we offer a "Flexible Joint for Vibrators" that reduces wear from powders by using an inner tube. 【Features】 ■ Equipped with significant flexibility from use to storage ■ By using an inner tube when handling highly abrasive powders, it can extend the lifespan *For more details, please refer to the PDF materials or feel free to contact us.

Our company handles the expansion joint product "Welded Bellows." It has excellent sealing properties and ultra-low reaction force. The materials can accommodate special materials such as SUS316, SUS310S, Inconel, and Hastelloy. It is suitable for a wide range of fields, including vacuum devices, vacuum equipment, semiconductor-related equipment, vibration equipment, sealing for various valves, and space equipment. 【Features】 ■ Despite being metallic, it allows for significant expansion and displacement ■ Excellent sealing properties and ultra-low reaction force ■ Materials can accommodate special materials such as SUS316, SUS310S, Inconel, and Hastelloy ■ Compatible with inner diameters from φ3.4 to φ750 *For more details, please refer to the PDF document or feel free to contact us.

The "sealing boot" is an expansion joint that seals the penetration between the external duct of a power plant and the interior of the building. By using a two-part structure with fasteners, it can be replaced on-site. It is used for annular penetrations and is highly durable. 【Features】 ■ The two-part structure allows for on-site replacement using fasteners. ■ It is used for annular penetrations and is highly durable. *For more details, please refer to the PDF document or feel free to contact us.

The "Tawami Flexible Joint" is a telescopic joint product that features vibration absorption, safety, and durability. Our product for railway vehicle underfloor equipment is durable, reduces resistance, and absorbs positional fluctuations. It boasts high quality and a proven track record for both domestic and international vehicles. The "Tawami Pipe for Air Conditioning Piping" is used as a flexible joint for air conditioning piping inside vehicles. It is a high-quality joint that meets the standards of various vehicle manufacturers and has a significant number of delivery records both domestically and internationally. 【Features】 ■ Vibration absorption, safety, and durability ■ High quality and proven track record for both domestic and international vehicles ■ Durable, reduces resistance, and absorbs positional fluctuations *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our expandable joint product, the "Suction Hose." It can accommodate a range of diameters from small to large, tailored to your equipment. It is capable of handling full vacuum and has excellent elasticity. It can be used for piping air containing white water in paper-making machinery and has been adopted by major paper machine manufacturers, boasting numerous achievements. 【Features】 ■ Compatible with full vacuum ■ Excellent elasticity ■ Accommodates a range of diameters from small to large, tailored to your equipment ■ Adopted by major paper machine manufacturers, boasting numerous achievements *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our "Expansion Joint for Dryer Equipment." This product excels in heat resistance and can accommodate large expansion and significant displacement, and is used in the hot air ducts of the dryer part of paper-making machines. We carry out design and manufacturing tailored to the equipment. It has been adopted by major paper machine manufacturers and boasts numerous achievements. 【Features】 ■ Excellent heat resistance ■ Capable of accommodating large expansion and significant displacement ■ Custom design and manufacturing available to fit equipment ■ Adopted by major paper machine manufacturers, boasting numerous achievements *For more details, please refer to the PDF document or feel free to contact us.

"Metal bellows" are expansion joint products used under temperatures, pressures, and conditions that cannot be handled by non-metal materials. The metal materials available include SUS304, 304L, 316, 316L, 310S, Inconel, and Hastelloy. The thickness of the material can be selected from thick to thin according to the usage conditions, and a wide range of diameters is also available. We offer "round thin-walled bellows" with low reaction force and excellent flexibility, as well as "round thick-walled bellows" and "square bellows." [Features] ■ Thickness can be selected from thick to thin according to usage conditions ■ A wide range of diameters is available ■ Metal materials include SUS304, 304L, 316, 316L, 310S, Inconel, and Hastelloy *For more details, please refer to the PDF document or feel free to contact us.

The "silicone rubber bellows" is a non-metallic expansion joint that utilizes the properties of silicone rubber. By incorporating an insulation layer inside, it can be used at high temperatures of 180°C or higher. It is used in areas where high temperatures and sealing properties are required. We offer a lineup for "duct piping" and "high temperature" applications, which are used in inlet and outlet ports, conveyors, duct piping, and blowers. 【Features】 ■ Can be used at high temperatures of 180°C or higher by incorporating an insulation layer inside ■ Easy to perform simple repairs in case of damage ■ Can handle temperatures up to 180°C with just the fabric for continuous use ■ Excellent heat resistance and sealing properties *For more details, please refer to the PDF materials or feel free to contact us.

The "automatic telescopic joint" is a product that is driven by a cylinder and automatically attaches and detaches. It is a telescopic joint combined with a driving device such as a cylinder, installed in stirring equipment for pharmaceutical manufacturers, and used for loading onto vehicles. By utilizing the compressive force of the cylinder, it can create a seal, and by combining the driving device with the telescopic joint, it operates automatically. 【Features】 ■ Operates automatically by combining a driving device with the telescopic joint ■ Can create a seal using the compressive force of the cylinder ■ Driven by a cylinder for automatic attachment and detachment *For more details, please refer to the PDF materials or feel free to contact us.

The "expansion joints for incineration equipment" are products used in the duct piping and ash transport lines of incinerators. We offer "metallic" types for areas requiring sealing, available in various specifications from low to high temperatures, and "non-metallic" types for areas requiring flexibility, also available in various specifications from low to high temperatures. We provide suitable products by designing according to specification conditions and selecting between metallic and non-metallic options based on temperature, fluid, pressure, and expansion amount. 【Features】 ■ Selection of metallic and non-metallic types based on temperature, fluid, pressure, and expansion amount ■ Design tailored to specification conditions to provide appropriate products ■ Lineup of both metallic and non-metallic options *For more details, please refer to the PDF materials or feel free to contact us.

The "SUS Flexible Hose" is a product used as a flexible connection for transportation and piping systems, featuring a telescopic joint. It can accommodate special materials such as Inconel. It offers excellent sealing properties, heat resistance, and can withstand high pressure due to blade processing. It is compatible with various types of end fittings, possesses excellent earthquake resistance, and has an extremely small bending radius. 【Features】 ■ Excellent sealing properties, heat resistance, and can withstand high pressure due to blade processing ■ Can accommodate special materials such as Inconel ■ Possesses excellent earthquake resistance and has an extremely small bending radius ■ Compatible with various types of end fittings *For more details, please refer to the PDF document or feel free to contact us.

This is a chute designed to prevent scattering and blowing up when discharging powdery materials (such as ash and dry substances) from a silo, and to smoothly transport highly abrasive powders. 【Features】 ■ It extends cleanly, straight, and smoothly, which helps suppress powder accumulation. ■ Can be operated with a manual or automatic winch for lifting. ■ Excellent wear resistance. ■ Diameter and length can be customized according to your requirements. *For more details, please download the PDF or feel free to contact us.

We manufacture custom-made products tailored to various specifications, both domestically and internationally, in fields such as steelmaking, power generation, vehicles, waste disposal, papermaking, and semiconductors. We design products that meet the needs of our users. Since we handle both non-metallic and metallic materials, we can provide suitable proposals based on the specification requirements. Please feel free to contact us when you need our services. 【Features】 ■ All products are made to order ■ Products designed according to user specifications ■ Handling both non-metallic and metallic materials ■ Providing suitable proposals based on specification requirements *For more details, please refer to the PDF document or feel free to contact us.