中日技研工業 List of Products and Services

The "CW-9000" is a flexible tube for tank trucks handled by Chuo Nitto Giken Co., Ltd. The fittings for tank trucks come in various types and shapes. Depending on the standards and manufacturers, it may not be possible to specify them. The "flexible tube" is formed from thin-walled electric welded stainless steel pipe into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Used for connection with tank trucks ■ Material - Truck fittings: SUS304 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 - Packing: PTFE, etc. *For more details, please refer to the PDF document or feel free to contact us.

• tube

The "CW-B" is a flexible tube with a connector for gas cylinders, handled by Chuo Nitto Kogyo Co., Ltd. The "flexible tube" is made from thin-walled electric welded stainless steel pipe formed into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Used for various gas filling equipment ■ Material - Connector for gas cylinder: SUS304, C3604 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 * Connector for gas cylinder: φ34.5-6 threads, φ30-6 threads, W22-14 threads, 9/16-18UNF, etc. * For more details, please refer to the PDF document or feel free to contact us.

• tube

The "CN-2000" is a fine tube handled by Chuo Nitto Kogyo Co., Ltd. It is a flexible tube for water use, utilized in areas such as residential water systems and toilets. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes shaped into a continuous pleated form, providing bendability and flexibility. ■ Applications - Water supply and hot water piping for equipment units * A dedicated adapter (nipple) is also available separately. ■ Materials - Tube: SUS304 - Bag nut: C3604 (chrome-plated) - Packing: EPDM (15A, 20A), non-asbestos (25A) * For more details, please refer to the PDF materials or feel free to contact us.

• tube

The "CT-2000" is a free-cut tube handled by Chūnichi Giken Kōgyō Co., Ltd. The CN-2000 allows for the length to be freely determined on-site and can be crimped with fittings. Although it is used differently from its original purpose, it may be used as a material for temperature control piping by mold manufacturers. The "Flexible Tube" is formed from thin-walled electric welded stainless steel pipe into a continuous pleated shape, providing bendability and flexibility. ■ Applications - Water heaters, washbasins, bathrooms, rotaries, around bathtubs, water meters, vending machines, various hot water heaters, solar systems, etc., water supply and hot water connection pipes. ■ Materials - Tube: SUS304, SUS316L - Bag nut: C3604 (chrome-plated) - Ring: SUS304 *Only for 20A - Packing: EPDM, non-asbestos *For more details, please refer to the PDF document or feel free to contact us.

• tube

The "Glass Blade" is an option for flexible tubes handled by Chūnichi Giken Kōgyō Co., Ltd. It is a heat-resistant fiberglass cloth applied to the outside or inside of a stainless steel wire blade of a flexible tube. The "flexible tube" is formed into a continuous pleated shape from thin-walled electric-welded stainless steel pipes, providing bendability and flexibility. 【Features】 - Used for insulation and heat retention. - There are two types of installation methods: sleeve type (cylindrical) and garter type (spiral). - The installation method will be selected based on specifications. *For more details, please refer to the PDF document or feel free to contact us.

• tube

The "Spring" is an option for flexible tubes handled by Chuo Nitto Kogyo Co., Ltd. It is a spring that attaches to the outside of the stainless steel wire blade of the flexible tube. The "Flexible Tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 - It can be attached to the neck or the entire surface of the flexible tube. - It is used for reinforcement at the neck (to prevent excessive bending) and to protect against external damage caused by friction, such as dragging the tube. - The standard length of the neck spring is 300L, but other lengths are also available. *For more details, please refer to the PDF materials or feel free to contact us.

• tube

The "shrink tube" is an option for flexible tubes handled by Chūnichi Giken Kōgyō Co., Ltd. It is applied to the outside of the stainless steel wire blade of the flexible tube. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ It is used for dust prevention, salt damage protection, and condensation prevention, among other applications. *For more details, please refer to the PDF materials or feel free to contact us.

• tube

Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case study of a custom-made product. 【Case Study】 ■Product: Fire-resistant Tube ■Specifications: The fire-resistant tube can protect flexible hoses from high temperatures, flames, and molten steel. It can withstand molten metal splashes over 1000°C and protect the hose for more than 10 minutes. It also has high thermal insulation performance, blocking heat conduction to protect the hose. ［Chu-Nichi Giken Kogyo - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which allows for quick consideration of special specifications. ★For custom orders, please feel free to contact us. You can check our product lineup in the catalog available for [PDF download].

• tube

Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case study of a custom product we have produced. 【Production Case】 ■ Product: Aeroflex ■ Specifications: Aeroflex applied as an option to pipe-end type flex (Model: CW-8000). ■ Production Points: Aeroflex provides insulation, heat retention, and condensation prevention effects, and the terminal parts are secured with heat shrink tubing, etc. ■ Usage Locations: It is widely used by various customers, including semiconductor factories and food container factories. ［Chūnichi Giken Kōgyō - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products. ［About Us］ At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is a strength in the speed of consideration for special specifications. ★ For inquiries regarding custom orders, please feel free to contact us. You can check the products we handle in the catalog materials available for [PDF download].

• tube

The "PTFE Ultra High Pressure Hose S" is a PTFE hose handled by Chuo Giken Kogyo Co., Ltd. It is a straight hose with good pressure resistance. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 34.5 MPa under hydraulic conditions. The maximum operating pressure is lower for gases (gas-phase fluids), so please inquire each time. It cannot be used with flammable, combustible, or toxic gases. 【Specifications】 ■ Reinforcement layer: SUS304 wire unibraid ■ Continuous operating temperature range: -54℃ to +204℃ ■ Meets the conditions of US SAE standards 100R8 and 100R9. ■ Static electricity prevention type *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "PTFE High Pressure Hose H" is a PTFE hose handled by Chuo Nittetsu Giken Co., Ltd. It is a straight hose with good pressure resistance. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 27.5 MPa for hydraulic use. The maximum operating pressure is lower for gases (gas-phase fluids), so please inquire each time. It cannot be used with flammable, oxidizing, or toxic gases. 【Specifications】 ■ Reinforcement layer: SUS304 double wire braid ■ Continuous operating temperature range: -54℃ to +204℃ ■ There is also an electrostatic prevention type available. * For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "PTFE Medium Pressure Hose M" is a PTFE hose handled by Chūnichi Giken Kōgyō Co., Ltd. It is a straight hose with good pressure resistance. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 20.6 MPa under hydraulic conditions. The maximum operating pressure is lower for gases (gas-phase fluids), so please inquire each time. It cannot be used with flammable, combustible, or toxic gases. 【Specifications】 ■ Reinforcement layer: SUS304 wire braid ■ Continuous operating temperature range: -54℃ to +232℃ ■ There is also a static electricity prevention type available. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine tools
• Pipe Fittings

The "PTFE Combo Hose R" is a PTFE hose handled by Chūnichi Giken Kōgyō Co., Ltd. It features a shallow corrugated design, providing excellent bending performance. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 6.9 MPa under hydraulic conditions. The maximum operating pressure is lower for gases (gas-phase fluids), so please inquire each time. It cannot be used with flammable, combustible, or toxic gases. 【Specifications】 ■ Reinforcement layer: fiberglass, SUS304 wire braid ■ Continuous operating temperature range: -54℃ to +204℃ ■ For static electricity prevention types, please consult us. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "PTFE Flexible Hose E" is a PTFE hose handled by Chūnichi Giken Kōgyō Co., Ltd. It features a deep corrugated design, providing excellent bending performance. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 16.9 MPa for hydraulic applications. The maximum operating pressure is lower for gases (gas-phase fluids), so please inquire each time. It cannot be used with flammable, oxidizing, or toxic gases. 【Specifications】 ■ Reinforcement layer: SUS304 wire braid ■ Continuous operating temperature range: -54°C to +204°C ■ An electrostatic discharge type is also available. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "PTFE Flexible Hose F-1 Liquid Contact Part PTFE" is a PTFE hose handled by Chūnichi Giken Kōgyō Co., Ltd. It features a deep corrugated design, providing excellent flexibility. The liquid contact part is made of PTFE, and the fittings are flange type. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 1.0 MPa. For gases (gas-phase fluids), the maximum operating pressure is lower, so please inquire each time. It cannot be used with flammable, combustible, or toxic gases. 【Specifications】 ■Manufactured diameters: 15A to 50A *Sizes other than those listed can also be manufactured, so please inquire. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "PTFE Flexible Hose F-2 Liquid Contact Part PTFE" is a PTFE hose handled by Chūnichi Giken Kōgyō Co., Ltd. It features a deep corrugated design, providing excellent flexibility. The liquid contact part is made of PTFE, and the fittings are flange type. The maximum operating pressure varies depending on the diameter and usage conditions, but it is 1.0 MPa. For gases (gas-based fluids), the maximum operating pressure is lower, so please inquire each time. It cannot be used with flammable, combustible, or toxic gases. 【Specifications】 ■Manufactured diameters: 15A to 50A *Other sizes are also available upon request, so please contact us. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "CE-81000" is a welded expansion joint that can be installed even in short face-to-face distances. It uses a soft bellows, providing excellent vibration resistance. Additionally, the flange contact surface is flat, ensuring superior sealing performance. Custom specifications can also be manufactured according to diameter, pressure resistance, and other conditions. 【Features】 ■ Excellent vibration resistance due to the use of soft bellows ■ Superior sealing performance with a flat flange contact surface ■ Can be installed in short face-to-face distances ■ Custom specifications available based on diameter, pressure resistance, and other conditions *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "CE-82000" is a non-welded expansion joint that can be installed even in short face-to-face distances. It uses a soft bellows, providing excellent vibration resistance. Additionally, all wetted parts are made of stainless steel. Custom specifications can also be manufactured according to diameter, pressure resistance, and other conditions. 【Features】 ■ Flange assembly is non-welded ■ Use of soft bellows ensures excellent vibration resistance ■ All wetted parts are made of stainless steel ■ Can be installed even in short face-to-face distances ■ Custom specifications can be manufactured according to diameter, pressure resistance, and other conditions *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

Our company, Chūnichi Giken Kōgyō Co., Ltd., is a manufacturer of stainless steel flexible tubes. This catalog introduces the rubber joints (rubber expansion joints) handled by Chūnichi Giken Kōgyō Co., Ltd. We feature a variety of products, including the spherical rubber flexible joint "F-FLEX," the spherical flexible joint "D-FLEX" with a synthetic rubber coating on a fluororesin exterior, and "L-FLEX," among others. Please make use of this for selecting rubber joints (rubber expansion joints). [Contents (excerpt)] ■ Spherical rubber flexible joints ■ Spherical flexible joints with a synthetic rubber coating on a fluororesin exterior ■ Straight tubular rubber flexible pipes ■ Tubular flexible joints with a synthetic rubber coating on a fluororesin exterior *For more details, please refer to the PDF document or feel free to contact us.

• tube
• Pipe Fittings

"F-FLEX" is a flexible joint made of spherical rubber, handled by Chūnichi Giken Kōgyō Co., Ltd. It offers vibration absorption, accommodates expansion and displacement of piping, and provides excellent vibration isolation and pressure resistance. 【Usage Range】 ■ Maximum operating pressure: 1.0 MPa (Note: This may vary depending on usage conditions.) ■ Maximum operating temperature: 70°C (Note: This may vary depending on usage conditions.) ■ If the operating pressure is negative (vacuum), please use the embedded rubber type. ■ If the fluid is gas, the maximum operating pressure will change, so please inquire. ■ For fluids such as wastewater and powders that tend to accumulate in the mountain part, the embedded rubber type is recommended. (1) Cannot be used for hot water piping. (Please use D-FLEX.) (2) Cannot be used for pool water. (Please use D-FLEX around circulation pumps for pool water, etc.) (3) Cannot be used in areas where pressure fluctuations occur frequently, such as on the delivery side of pressurized or booster water pumps. (4) Generally, cannot be used with fluids or installation locations that may deteriorate the elasticity of the rubber. *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials
• Pipe Fittings

"FW-FLEX" is a flexible joint made of rubber with a double-bulb shape, handled by Chūnichi Giken Kōgyō Co., Ltd. It offers excellent vibration damping and pressure resistance. 【Usage Range】 ■ Maximum operating pressure: 1.0 MPa (However, this may vary depending on usage conditions.) ■ Maximum operating temperature: 70°C (However, this may vary depending on usage conditions.) ■ If the operating pressure is negative (vacuum), please use the embedded rubber type. ■ If the fluid is gas, the maximum operating pressure will change, so please contact us. (1) It cannot be used for hot water piping. (Please use D-FLEX.) (2) It cannot be used for pool water. (Please use D-FLEX around circulation pumps for pool water, etc.) (3) It cannot be used in areas where pressure fluctuations occur frequently, such as on the delivery side of pressurized or booster water pumps. (4) It cannot be used with fluids or installation locations that may degrade the elasticity of the rubber. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

"D-FLEX" is a spherical flexible joint coated with synthetic rubber on the outer surface of fluororesin, handled by Chuo Nikkigiken Co., Ltd. Since the liquid-contacting part is made of fluororesin, it has excellent heat resistance and chemical resistance, while also possessing properties such as water repellency, oil repellency, and non-stickiness. 【Usage Range】 ■ Maximum Operating Pressure: 1.0 MPa (However, this may vary depending on usage conditions.) ■ Maximum Operating Temperature: 100°C (However, this may vary depending on usage conditions.) ■ If the fluid is a gas, the maximum operating pressure will change, so please inquire. (1) It cannot be used in locations such as the delivery side of pressurized or booster water pumps where pressure fluctuations occur frequently. (2) Due to the characteristics of the material, there is a possibility that sealing performance may decrease. In this case, please perform re-tightening or use a gasket. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

"DL-FLEX" is a spherical flexible joint coated with synthetic rubber on the outer surface of fluororesin, handled by Chūnichi Giken Kōgyō Co., Ltd. Since the liquid-contacting part is made of fluororesin, it excels in heat resistance and chemical resistance, while also possessing properties such as water repellency, oil repellency, and non-stickiness. 【Usage Range】 ■ Maximum operating pressure: 1.0 MPa (However, this may vary depending on usage conditions.) ■ Maximum operating temperature: 100°C (However, this may vary depending on usage conditions.) ■ If the fluid is a gas, the maximum operating pressure will change, so please inquire. (1) It cannot be used in locations such as the delivery side of pressurized water pumps where pressure fluctuations occur frequently. (2) Due to the material properties, there is a possibility of reduced sealing performance. In this case, please perform additional tightening or use a gasket. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

"L-FLEX" is a flexible rubber pipe in a straight tubular shape handled by Chūnichi Giken Kōgyō Co., Ltd. It absorbs displacements caused by earthquakes and uneven settlement. 【Standard Specifications】 ■ Maximum Operating Pressure: If used beyond the maximum operating pressure (1.0 MPa), please contact us for separate structural considerations. ■ Maximum Operating Temperature: -10℃ to 60℃ ■ Installation Conditions: When installed for burial, the burial depth should be between 1M and 3M. Additionally, the maximum vehicle weight should be 25 tons or less. ■ If the fluid is gas, the maximum operating pressure will change, so please contact us. ■ For regulating axial thrust generated by internal pressure and preventing excessive displacement, please use a control unit (tie rod bolt type). Also, for adjusting the spacing dimensions during installation, please use a control unit (set bolt type). (1) It cannot be used in locations such as the delivery side of pressurized water pumps where pressure fluctuations occur frequently. (2) It cannot be used with fluids or installation locations that may deteriorate the elasticity of rubber. *For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

The "T-FLEX S" is a cylindrical flexible joint coated with synthetic rubber on the outer surface of fluororesin, handled by Chūnichi Giken Kōgyō Co., Ltd. Since the inner surface is straight, there is no liquid pooling. 【Usage Range】 ■ Maximum operating pressure: 1.0 MPa (However, this may vary depending on usage conditions.) ■ Maximum operating temperature: 100°C (However, this may vary depending on usage conditions.) ■ If the fluid is gas, the maximum operating pressure will change, so please inquire. * If you exceed the maximum operating pressure (1.0 MPa), please contact us as we will conduct a separate structural review. (1) It cannot be used in locations such as the delivery side of pressurized or booster water pumps where pressure fluctuations occur frequently. (2) Due to the characteristics of the material, there is a possibility of decreased sealing performance. In this case, please either retighten or use a gasket. * For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

"T-FLEX C" is a cylindrical flexible joint covered with synthetic rubber on the outer surface of fluororesin, handled by Chūnichi Giken Kōgyō Co., Ltd. The inner surface is a corrugated hose, allowing it to accommodate a large amount of eccentricity. 【Usage Range】 ■ Maximum operating pressure: 1.0 MPa (However, this may vary depending on usage conditions.) ■ Maximum operating temperature: 100°C (However, this may vary depending on usage conditions.) ■ If the fluid is gas, the maximum operating pressure will change, so please contact us. * If used beyond the maximum operating pressure (1.0 MPa), we will conduct a separate structural review, so please contact us. (1) It cannot be used in locations such as the delivery side of pressurized or booster water pumps, where pressure fluctuations occur frequently. (2) Due to the characteristics of the material, there is a possibility of reduced sealing performance. In this case, please perform additional tightening or use a gasket. * For more details, please refer to the PDF document or feel free to contact us.

• Pipe Fittings

Our company, Chūnichi Giken Kōgyō Co., Ltd., is a manufacturer of stainless steel flexible tubes. This catalog introduces the molded bellows for vacuum piping handled by Chūnichi Giken Kōgyō Co., Ltd. We offer a wide range of products, including the "CEV-10000," which features a JIS standard vacuum flange (VG/VF) for flexible bellows for vacuum use, and the "CEV-30000," which comes with a pipe end. Please make use of this catalog for selecting vacuum piping. [Contents] ■ Molded Bellows VG-VF CEV-10000 ■ Molded Bellows NW (KF) CEV-20000 ■ Molded Bellows with Pipe End CEV-30000 ■ Molded Bellows ICF CEV-40000 ■ Molded Bellows ISO MF CEV-50000 ■ Molded Bellows ISO BT CEV-60000 *For more details, please refer to the PDF document or feel free to contact us.

• tube
• Pipe Fittings

The "CEV-10000" is a molded bellows for vacuum piping handled by Chuo Nikkiken Co., Ltd. It is a product with JIS standard vacuum flanges (VG/VF) attached to flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, absorbing errors, and vibration absorption. 【Features】 ■ Flexible bellows with a low spring constant ■ Manufacturing diameter: 20A to 300A ■ Please specify the total length (L) for production. ■ It is a product with a long repeated durability lifespan. ■ VG-VG type and VF-VF type can also be manufactured. ■ Diameters of 350A and above can also be produced. ■ Rotating type (loose type) flanges can also be manufactured. ■ Custom types may have changes in the dimensions of the bellows. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Other semiconductor manufacturing equipment
• Vacuum Equipment

The "CEV-20000" is a molded bellows for vacuum piping handled by Chuo Giken Kogyo Co., Ltd. It is a product with an NW (KF) flange attached to a flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, error absorption, and vibration absorption. 【Features】 ■ Flexible bellows with a small spring constant ■ Manufacturing diameters: NW16 to NW100 ■ Please specify the total length (L) during ordering. ■ It is a product with a long repeated durability lifespan. ■ A nominal diameter of NW-10 can also be manufactured. ■ Nominal diameters of NW-125 and above can also be manufactured. 【Application Fields】 ■ Semiconductor, LCD, petrochemical, construction, food, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Vacuum Equipment

The "CEV-30000" is a molded bellows for vacuum piping handled by Chūnichi Giken Kōgyō Co., Ltd. It is a product with a pipe attached to a flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, absorbing errors, and vibration damping. 【Features】 ■ Flexible bellows with a low spring constant ■ Manufacturing diameters: 20A to 100A ■ Please specify the total length (L) for production. ■ It is a product with a long repetitive durability lifespan. ■ Manufacturing for nominal diameters below 15A is also possible. ■ Manufacturing for nominal diameters above 125A is also possible. ■ The outer diameter and thickness of the pipe can also be changed. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Vacuum Equipment

The "CEV-40000" is a molded bellows for vacuum piping handled by Chuo Nitto Kogyo Co., Ltd. It is a product with an ICF flange attached to a flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, error absorption, and vibration absorption. 【Features】 ■ Flexible bellows with a small spring constant ■ Manufacturing diameters: ICF34 to ICF253 ■ Please specify the total length (L) during order. ■ This product has a long repetitive durability lifespan. ■ The standard type has a fixed flange. ■ Rotating type (loose type) can also be manufactured. ■ Bolt holes can be changed to taps. ■ For custom types, the dimensions of the bellows differ, so please inquire. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Vacuum Equipment

The "CEV-50000" is a molded bellows for vacuum piping handled by Chuo Nippon Giken Kogyo Co., Ltd. It is a product with an ISO MF flange attached to a flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, error absorption, and vibration absorption. 【Features】 ■ Flexible bellows with a small spring constant ■ Manufacturing diameters: MF63 to MF200 ■ Please specify the overall length (L) during ordering. ■ This product has a long repetitive durability lifespan. ■ The dimensions of the bellows can be changed, so please consult us. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Vacuum Equipment

The "CEV-60000" is a molded bellows for vacuum piping handled by Chuo Nitto Kogyo Co., Ltd. It is a product with an ISO BT flange attached to a flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, error absorption, and vibration absorption. 【Features】 ■ Flexible bellows with a low spring constant ■ Manufacturing diameter: BT63 to BT200 ■ Please specify the total length (L) during order. ■ This product has a long repetitive durability lifespan. ■ The dimensions of the bellows can be changed, so please consult with us. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Vacuum Equipment

Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case of custom-made products. 【Manufacturing Example】 ■Product: Welding processing order ■Specifications: Three components were supplied by the manufacturer, and we only performed the welding processing. ■Manufacturing Points: After delivery from our company, the manufacturer assembles electrical components and resin parts to complete the product, which is then subjected to performance testing before being delivered to each user. [Chūnichi Giken Kōgyō - Product Line] Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products [About Us] At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which allows us to quickly consider special specifications. ★For inquiries regarding custom orders, please feel free to contact us. You can check the products we handle in the catalog materials available for [PDF download].

• Piping Materials

Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. We would like to introduce a custom-made production example. 【Production Example】 ■ Product: L-shaped pipe ■ Specifications: Type with vacuum flanges attached to both ends of a 90° elbow ■ Production Points: Initially, we planned to bend the flexible tube for installation, but due to limited space, we proposed manufacturing and installation with processed products. Since this is not a standard product, we can manufacture it to your desired length. ［Chu-Nichi Giken Kogyo - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For custom orders, please feel free to contact us. You can check the products we handle in the catalog materials available for [PDF download].

• tube

Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. We would like to introduce a case of custom-made products we have undertaken. 【Production Case】 ■ Product: Welded products ■ Specifications: Hose nipple + pipe + 45° elbow + reducer + hex socket + hose nipple ■ Production Points: We sometimes receive requests for welded products from customers who usually order flexible tubes. We believe we are able to assist our customers just as we do with flexible tubes. [Chūnichi Giken Kōgyō - Product Line] Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products [About Us] At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For inquiries about custom orders, please feel free to contact us. You can check our product catalog from the [PDF Download].

• tube

Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case study of a custom product we undertook. 【Case Study】 ■Product: Special Product ■Specifications: Due to insufficient flexibility of standard stainless steel flexible hoses, we manufactured a hose using a flexible stainless steel material that is not airtight. ■Production Points: Since the hose itself is not airtight, using it as is would cause fluid to leak from the hose section. However, since it is used for suction, we cover the outside of the hose with vinyl for use. [Chu-Nichi Giken Kogyo - Product Line] Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products [About Us] At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the optimal product for you. Our sales department and manufacturing plant are adjacent (headquarters), which allows us to quickly consider special specifications. ★For custom orders, please feel free to contact us. You can check our product offerings in the catalog materials available for [PDF download].

• tube

Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case of custom-made products we have undertaken. 【Production Example】 ■ Product: Conversion Joint ■ Specifications: Joint for Tanker Trucks (Female) x Flange ■ Production Points: Since this is not a standard product, we will accommodate your requested specifications. Of course, we can also handle flexible options. ［Chūnichi Giken Kōgyō - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the optimal products for you. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For custom orders, please feel free to contact us. You can check our product lineup in the catalog materials available for [PDF Download].

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Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. Here, we introduce a case study of a custom-made product. 【Case Study】 ■Product: Extension Joint ■Specifications: Vacuum Flange VG40A x Nipple R1, Total Length 200L ■Manufacturing Points: Initially, we planned to extend the existing joint by screwing in a socket and nipple, but due to the increased number of threaded connections, the risk of leaks was high. Therefore, we proposed manufacturing it as a welded product. [Chu-Nichi Giken Kogyo - Product Line] Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products [About Us] At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which allows us to quickly consider special specifications. ★For custom orders, please feel free to contact us. You can check our product catalog from the [PDF Download].

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Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. We would like to introduce a custom-made production case that we have undertaken. 【Production Case】 ■Product: Conversion Joint ■Specification: A joint that converts the diameter from 25A to 50A for vacuum flanges ■Production Points: Initially, the customer searched for ready-made products, but due to the inability to find the desired product, they requested us to manufacture it. ［Chūnichi Giken Kōgyō - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the optimal product. Our sales department and manufacturing plant are adjacent (headquarters), which allows us to quickly consider special specifications. ★For custom orders, please feel free to contact us. You can check our product lineup in the catalog available for [PDF download].

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Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. We would like to introduce a case study of a custom-made product. 【Case Study】 ■ Product: Conversion Joint ■ Specifications: A joint that converts to a special angle flange + vacuum flange ICF070 ■ Production Points: Due to the inspection equipment being manufactured overseas, we were unsure of the specifications for the angle flange and had no drawings, so we took measurements on-site and proceeded with production. There was some anxiety about whether it would fit properly, but the installation was completed successfully, and the inspection equipment operated smoothly, which made our customer very happy. ［Chu-Nichi Giken Kogyo - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For custom orders, please feel free to contact us. You can check our product lineup in the catalog available for [PDF download].

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Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. Here we introduce a case study of a custom-made product. 【Case Study】 ■Product: Conversion Joint ■Specifications: A joint that converts to a vacuum flange NW25 + hose connection (bamboo shoot) ■Manufacturing Points: We received a request to attach a resin hose to a vacuum pump and connect an NW25 on the opposite side. Since there was a length specification, we processed and manufactured the hose connection ourselves. As this is not a standard product, we can manufacture it to your desired joint and length. ［Chūnichi Giken Kōgyō - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products ［About Us］ At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★For custom orders, please feel free to contact us. You can check our product lineup in the catalog available for [PDF download].

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Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. We would like to introduce a custom-made production case that we accepted. 【Production Case】 ■ Product: Conversion Joint ■ Specifications: A joint that converts to vacuum flange VF (loose) + NW40 ■ Production Points: While there are VF (fixed) type products available, there are no VF (loose) type products, so we consulted with our company and proceeded with the production. [Chu-Nichi Giken Kogyo - Product Line] Stainless steel flexible tubes, stainless steel expansion joint fittings, PTFE hoses, rubber joints, welded products [About Us] At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For custom orders, please feel free to contact us. You can check our product offerings in the catalog materials available for [PDF download].

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Our company, Chūnichi Giken Kōgyō, is a manufacturer of stainless steel flexible tubes. Here we introduce a case of custom-made products. 【Production Case】 ■ Product: Cross Pipe ■ Specifications: Type with vacuum flanges at two locations, gauge port, and leak port ■ Production Points: Due to limited installation space, we manufactured it to the length specified by the customer. Since it is not a standard product, we can produce it to your desired length. ［Chūnichi Giken Kōgyō - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion pipe joints, PTFE hoses, rubber joints, welded products ［About Us］ At Chūnichi Giken Kōgyō, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which is our strength in quickly considering special specifications. ★ For inquiries about custom orders, please feel free to contact us. You can check the products we handle in the catalog materials available for [PDF Download].

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Our company, Chu-Nichi Giken Kogyo, is a manufacturer of stainless steel flexible tubes. Here we introduce a case study of a custom-made product. 【Case Study】 ■Product: Flexible tube with semi-intercover ■Specifications: This product features a standard flexible tube covered with a stainless steel protective pipe, welded for construction. ■Production Points: It protects the internal tube from external impacts and abrasions caused by dragging on the ground. It is soft and has excellent flexibility, similar to the tube. ［Chu-Nichi Giken Kogyo - Product Lineup］ Stainless steel flexible tubes, stainless steel expansion pipe joints, PTFE hoses, rubber joints, welded products ［About Us］ At Chu-Nichi Giken Kogyo, we specialize in made-to-order production and can accommodate manufacturing from one piece. Based on specifications and applications, we will select the most suitable products. Our sales department and manufacturing plant are adjacent (headquarters), which allows for quick consideration of special specifications. ★For inquiries about custom orders, please feel free to contact us. You can check our product lineup in the catalog available for [PDF download].

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