中日技研工業 List of Products and Services

Our company, Chūnichi Giken Kōgyō Co., Ltd., is a manufacturer of stainless steel flexible tubes. Our flexible tubes are characterized by their very thin structure, with a thickness ranging from 0.2mm to 0.6mm. Additionally, using our unique TIG welding technology, we not only produce flexible tubes but also fabricate stainless steel welded products. This catalog introduces the flexible tubes and bellows handled by Chūnichi Giken Kōgyō Co., Ltd. Starting with the screw-in joint flexible tube "CW-1000 with Union," we also feature other special shapes such as "CW-18000F Full Jacket Flexible" and optional items like "Fire-resistant Tubes," among a wide range of offerings. Please make use of this catalog for selecting flexible tubes and bellows. [Contents (excerpt)] ■ Features and roles of flexible tubes ■ Flexible tube connection joints ■ Types of flexible tubes ■ Screw-in joint flexible tubes ■ Flanged flexible tubes ■ Other special shape products ■ Options *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our "Stainless Steel Flexible Tubes." These tubes are formed from thin-walled electric welded stainless steel pipes (0.2mm to 0.6mm) into a continuous pleated shape, and stainless steel wire (blade) is woven around the outside. Finally, fittings are attached to both ends to complete the product. In addition to flexibility and bendability, it also serves to absorb micro-vibrations. 【Features】 ■Standard material: SUS304 ■SUS316L can also be produced for higher heat resistance and corrosion resistance requirements ■Heat resistance temperature: ・SUS304: -194℃ to 400℃ ・SUS316L: -194℃ to 600℃ ■Pressure resistance: 1.0MPa ■It is also possible to double the outer blade or use high-pressure fittings to achieve 2.0MPa *For more details, please refer to the related links or feel free to contact us.

• Piping materials (copper pipes, cast iron pipes)

We would like to introduce the types of stainless steel flexible tubes that we handle. Starting with the popular "S-type Spiral Tube," which is continuously formed in a spiral shape, we also offer "O-type One-Pitch Tube" and "A-type Annular Tube" among our lineup. Additionally, we can accommodate special tubes that meet specific usage conditions, so please feel free to inquire. 【Features】 <S-type Spiral Tube> ■ Shape: Spiral (with straight sections between peaks and valleys) ■ Suitable for fixed piping, and can accommodate long lengths ■ Diameter: 8A to 65A <O-type One-Pitch Tube> ■ Shape: Single Peak (with straight sections between peaks and valleys) ■ Structure that minimizes twisting during movement and pressurization compared to the S-type ■ Suitable for fixed piping ■ Diameter: 10A to 65A <A-type Annular Tube> ■ Shape: Single Peak (with arch-shaped sections between peaks and valleys) ■ Waveforms are nearly uniform in R shape ■ Suitable for movable piping, excellent in repeated bending and vibration absorption ■ Diameter: 20A to 250A *For more details, please refer to the related links or feel free to contact us.

• Piping materials (copper pipes, cast iron pipes)

The "S-type Spiral Tube" is a type of flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. The shape is spiral, with straight sections between the peaks and valleys. The "flexible tube" is formed from thin-walled electric-welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. [Features] ■ The most popular general-purpose tube formed continuously in a spiral shape. ■ Designed for fixed piping, and long lengths are also available. ■ Diameter: 8A to 65A *For more details, please refer to the PDF document or feel free to contact us.

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The "Type O One-Pitch Tube" is a type of flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. The shape is a single mountain type, with straight valleys. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Compared to the S type, it has a structure that is less prone to twisting during movement and pressurization. ■ Suitable for fixed piping. ■ Diameter: 10A to 65A *For more details, please refer to the PDF document or feel free to contact us.

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The "Type A Anular Tube" is a type of flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. The shape is a single mountain type, with an arch-shaped valley between the peaks. The "flexible tube" is formed from thin-walled electric-welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ The waveform sections have a nearly uniform R shape. ■ Designed for movable piping, it excels in repeated bending and vibration absorption. ■ Diameter: 20A to 250A *For more details, please refer to the PDF document or feel free to contact us.

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The "Soft O Type Soft One-Pitch Tube" is a type of flexible tube handled by Chubu Giken Kogyo Co., Ltd. The shape is a single peak type, with straight valleys between the peaks. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, offering bendability and flexibility. 【Features】 ■ It is a thin-walled O type tube that is highly flexible. ■ Diameter: 8A to 50A *For more details, please refer to the PDF materials or feel free to contact us.

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The "Soft A Type Soft Annular Tube" is a type of flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. The shape is single mountain type, with an arch-shaped valley. The "flexible tube" is made by forming thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ A thin-walled type of A model with excellent flexibility. ■ Diameter: 8A to 150A *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce the stainless steel flexible tubes and fittings (with screw fittings) that we handle, along with their types. The CW-1000 union type flexible tube is a commonly used type of flexible tube with screw fittings. The CW-2000 union type flexible tube can accommodate various types of tubes as it uses standard unions available on the market. In addition, there are various other types available. Please feel free to consult us when you need assistance. 【Product Information (Partial)】 ■ CW-1000 Union Type Flexible Tube ■ CW-2000 Union Type Flexible Tube ■ CW-2300 High-Pressure Union Type Flexible Tube ■ CW-5000 Nipple Type Flexible Tube *For more details, please refer to the related links or feel free to contact us.

• Piping Equipment

We would like to introduce the stainless steel flexible tubes and fittings (with threaded fittings) that we handle. The CW-5500 coupler-type flexible tube is a type that has a commercially available coupler attached to the CW-5000. We can also install the coupler you provide. The CW-6000M metal touch flexible tube (welded type) can handle relatively high temperatures and pressures. In addition, we have various other types available. Please feel free to consult us when you need assistance. 【Product Information (Partial)】 ■ CW-5500 Coupler-type Flexible Tube ■ CW-5700 Lever Coupler-type Flexible Tube ■ CW-6000M Metal Touch Flexible Tube (Welded Type) ■ CW-6000F Metal Touch Flexible Tube (Welded Type) ■ CN-7000M Metal Touch Flexible Tube (Non-welded Type) *For more details, please refer to the related links or feel free to contact us.

• Piping Equipment

We would like to introduce the flange type and its models of flexible tubes that we handle. The CW-3500 flange type flexible tube is a low-cost product with a short delivery time, capable of being manufactured even with short face-to-face distances, and allows for a long effective length. The CW-4000 flange type flexible tube can accommodate various tubes and flanges by changing to a lap joint specification. Additionally, we also offer the CN-3000 flange type flexible tube (seamless type) and the CW-45000 neck ring type flange flexible tube. Please feel free to consult us when you need assistance. 【Product Information (Partial)】 ■ CW-3500 Flange Type Flexible Tube ■ CW-4000 Flange Type Flexible Tube ■ CN-3000 Flange Type Flexible Tube (Seamless Type) ■ CW-45000 Neck Ring Type Flange Flexible Tube ■ CW-15000 Underground Buried Flange Type Flexible Tube *For more details, please refer to the related links or feel free to contact us.

• Piping Equipment

We would like to introduce the "Flexible Tubes" that we handle. We offer a lineup including the "CW-9000," a flexible tube with fittings suitable for tank trucks that can also accommodate male threads, the "CW-B," a flexible tube with fittings for various gas filling equipment, and the "CN-2000," a fine tube for water use. Additionally, we have the pipe-end type flexible tube "CW-8000" and the free-cut tube "CT-2000." Please feel free to contact us if you need any assistance. 【Product Lineup】 ■ CW-8000 Pipe-end Type Flexible Tube ■ CW-9000 Flexible Tube with Fittings for Tank Trucks ■ CW-B Flexible Tube with Fittings for Gas Cylinders ■ CN-2000 Fine Tube ■ CT-2000 Free-Cut Tube *For more details, please download the PDF or feel free to contact us.

• Fittings

The "CW-1000" is a union-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a commonly used type of flexible tube with a threaded joint. Although it is a low-cost product with a short delivery time, it uses a union specifically processed for flexible applications, which limits the types of tubes to S-type and O-type, and the joint materials are only FCMB and SUS304. Additionally, the possible manufacturing diameters range from 8A to 65A. It is used for various applications such as cooling water, steam, and gas piping. Products can be selected according to various conditions and applications. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■Materials - Union: FCMB, SUS304 - Union color: SUS304 - Tube: SUS304 - Blade: SUS304 - Packing: T/#1995, PTFE, etc. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-1000+CW-5000" is a flexible tube with a single union and single nipple type, handled by Chūnichi Giken Kōgyō Co., Ltd. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Material - Union: FCMB, SUS304 - Union Color: SUS304 - Nipple: FCMB, SS400, SUS304 - Tube: SUS304 - Blade: SUS304 - Packing: T/#1995, PTFE, etc. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-2000" is a union-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It can accommodate various types of tubes by using commercially available standard unions. Additionally, it is possible to use SUS316 for the fitting material. Since the welding method differs from that of the CW-1000, the effective length of the tube (flexible part) is slightly shorter. Production is possible from 6A to 100A. The "flexible tube" is made by forming thin-walled electric-welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. [Features] ■ Material - Union: FCMB, SUS304, SUS316 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade Holder: SUS304 - Packing: T/#1995, PTFE, etc. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-2300" is a high-pressure union type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type that has a commercially available high-pressure union welded. It is selected for use at pressures exceeding 1 MPa or when O-ring seals or copper gaskets are desired. There are also metal touch type (without gaskets), insertion welding type, male thread type, and elbow type. The joint materials include S25C, SUS304, and SUS316L. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Materials - High-pressure union: S25C, SUS304, SUS316 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 - O-ring: Nitrile rubber (standard), gasket type, insertion type, and conical type can also be produced. *For more details, please refer to the PDF materials or feel free to contact us.

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The "CW-2500" is a flexible tube with a built-in core, handled by Chūnichi Giken Kōgyō Co., Ltd. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. ■ Applications - For water supply piping (pressure resistance: 1.0 MPa, heat resistance: 40°C) - Usable with two types: PVC-lined steel pipes and polyethylene powder lining ■ Materials - Union: FCMB - Union color: SUS316L - Core: Polyethylene resin - Tube: SUS316L - Blade: SUS304 - Packing: NBR *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-5000" is a nipple-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type with a fixed nipple attached. Various specifications such as material, type of tube, and diameter can be accommodated. Different diameter fittings can also be attached. The materials of the fittings in our inventory are FCMB, SS400, and SUS304. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Material - Nipple: FCMB, SS400, SUS304, SUS316, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-5100" is a flexible tube with a round nipple type handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type with a fixed round nipple attached. Various specifications such as material, type of tube, and diameter can be accommodated. The "flexible tube" is formed from thin-walled electric welded stainless steel pipe into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Material - Round Nipple: SUS304, SUS316 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade Holder: SUS304 *For more details, please refer to the PDF materials or feel free to contact us.

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The "CW-5200" is a socket-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type with a fixed socket. Various specifications such as material, type of tube, and diameter can be accommodated. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■Material - Socket: SS400, SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade Holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-5300" is a flexible tube with a round socket type handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type that has a fixed round socket attached. Various specifications such as material, type of tube, and diameter can be accommodated. The "flexible tube" is made by forming thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Material - Round Socket: S25C, SUS304, SUS316 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade Holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-5500" is a flexible tube with a coupler handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type that has a commercially available coupler attached to the CW-5000. We can also install the coupler you provide. 【Features】 ■ Easy one-touch attachment and detachment ■ Both plug and socket are equipped with a stop valve mechanism ■ Compatible with various couplers ■ Coupler materials: brass, steel, stainless steel ■ Manufacturing diameter: 8A to 50A *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-5700" is a flexible tube with a lever coupler handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type that has a commercially available cam lock and lever cam lock attached to the CW-5000. We can also install the couplers you provide. However, it does not come with a stop valve mechanism. 【Features】 ■ Easy one-touch attachment and detachment ■ Compatible with various lever couplers ■ Coupler materials: aluminum, bronze, stainless steel, polypropylene ■ Manufacturing diameter: 15A to 100A *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-6000M" is a standard specification metal touch flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a type that has a male adapter attached to a bag nut. Due to its metal touch design (without packing), it can relatively handle high temperatures and high pressures. Special items such as NPT and different diameter adapters are also available. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ No packing required due to the metal touch design ■ The bag nut side has a 30° male seat (G thread) ■ Materials - Male adapter: SS400, SUS304, SUS316L - Bag nut: SS400, SUS304, SUS316L - Sleeve: SS400, SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-6100M" is a flexible tube with a metal touch type, featuring a reverse seat specification (4+13) of the CW-6000M, handled by Chūnichi Giken Kōgyō Co., Ltd. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ No packing required due to the metal touch type ■ The bag nut side has a 30° female seat (G thread) ■ Materials - Male adapter: SS400, SUS304, SUS316L - Bag nut: SS400, SUS304, SUS316L - Sleeve: SS400, SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CN-7000M" is a flexible tube of the metal touch type without welding, handled by Chūnichi Giken Kōgyō Co., Ltd. It comes with a type that has a male adapter without welding. The joint material is SS400 and SUS304. The adapter has a dedicated UNF thread, so commercially available products cannot be used. The "flexible tube" is formed into a continuous pleated shape from thin-walled electric welded stainless steel pipes, providing bendability and flexibility. 【Features】 ■ No gasket required due to metal touch type ■ The bag nut side has a UNF thread ■ Materials - Male adapter: SS400, SUS304 - Bag nut: SS400, SUS304 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-6000F" is a standard specification metal touch flexible tube handled by Chuo Nitto Kogyo Co., Ltd. It is a type with the CW-6000M as the female adapter. Its features are the same as those of the CW-6000M. The "flexible tube" is formed from thin-walled electric welded stainless steel pipe into a continuous pleated shape, providing flexibility and bendability. 【Features】 ■ No packing required due to metal touch type ■ The bag nut side has a 30° male seat (G thread) ■ Material - Female adapter: SS400, SUS304, SUS316L - Bag nut: SS400, SUS304, SUS316L - Sleeve: SS400, SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-6100F" is a metal touch flexible tube with a reverse seat specification (4+13) of the CW-6000F, handled by Chuo Nisshin Giken Co., Ltd. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ No packing required due to the metal touch type ■ The bag nut side has a 30° female seat (G thread) ■ Material - Female adapter: SS400, SUS304, SUS316L - Bag nut: SS400, SUS304, SUS316L - Sleeve: SS400, SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CN-7000F" is a flexible tube of the metal touch type, handled by Chūnichi Giken Kōgyō Co., Ltd., and it is a non-welded type. It comes with a non-welded female adapter. The joint material is SS400 and SUS304. The adapter has a dedicated UNF thread, so commercially available products cannot be used. The "flexible tube" is formed into a continuous pleated shape from thin-walled stainless steel electric-welded pipes, providing bendability and flexibility. 【Features】 ■ No packing required due to the metal touch type ■ The bag nut side has a UNF thread ■ Materials - Female adapter: SS400, SUS304 - Bag nut: SS400, SUS304 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-3500" is a flange-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a general-purpose flange-type flexible tube. While it is a low-cost and short-lead-time product, the types of tubes are limited to S-type and O-type due to the use of dedicated fittings. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ The wetted parts are standard SUS304 ■ Can be manufactured for short face-to-face distances ■ Allows for a long effective length ■ Manufacturing diameters: 15A to 250A ■ Flange standards: JIS5KF, JIS10KF ■ Materials - Flange: SS400, SUS304 - Flange color: SUS304 - Tube: SUS304 - Plate: SUS304 *For more details, please refer to the PDF materials or feel free to contact us.

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The "CW-4000" is a flange-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is a flange-type flexible tube that uses commercially available lap joints. By changing the specifications of the lap joint, it can accommodate various types of tubes and flanges. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Tubes and flanges can be selected according to application ■ Manufacturing diameter: 10A and up ■ Flange standards - JIS5KF, JIS10KF, JIS20KF - JPI150LbF, JPI300LbF - Other special flanges, etc. ■ Materials - Flange: SS400, S25C, SUS304, SUS316, SUS316L - Lap joint: SUS304, SUS316, SUS316L, SGP, etc. - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CN-3000" is a flange-type flexible tube without welding, handled by Chūnichi Giken Kōgyō Co., Ltd. It uses an annular tube, making it suitable for vibration absorption. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Both ends are loose without welding. Comes with a dedicated packing. ■ The wetted parts are standard SUS304, and SUS316L can also be manufactured. ■ It uses an annular tube, making it suitable for vibration absorption. ■ Manufacturing diameters: 20A to 250A ■ Flange standards: - JIS5KF, JIS10KF ■ Materials: - Flange: SS400, SUS304 - Split ring: FCMB, SUS304 - Tube: SUS304, SUS316L - Blade: SUS304 - Packing: Non-asbestos *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-45000" is a flexible tube with a neck ring type flange handled by Chūnichi Giken Kōgyō Co., Ltd. It is selected for use under high pressure or when the fluid is heavy and used in a suspended manner, which puts a load on the neck area. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Type with the blade ends secured by banding and welded ■ Both flanges are loose ■ Manufacturing diameter: 80A and above ■ Flange standards: JIS5KF, JIS10KF, JIS20KF ■ Materials - Flange: SS400, SUS304, SUS316L - Lap joint: SUS304, SUS316, SUS316L, SGP, etc. - Neck ring: SUS304 - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-15000" is a flexible tube with a flange type designed for underground burial, handled by Chūnichi Giken Kōgyō Co., Ltd. It is wrapped with a special anti-corrosion tape on the exterior and further coated with a special paint. (All parts except for the liquid contact section and stainless steel parts are specially painted.) 【Features】 ■ For absorbing displacement due to ground subsidence of buried pipes ■ Manufacturing diameter: 10A and above ■ Flange standards - JIS5KF, JIS10KF, JIS20KF - JPI150LbF, JPI300LbF - Other special flanges, etc. ■ Materials - Flange: SS400, S25C, SUS304, SUS316, SUS316L - Lap joint: SUS304, SUS316, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 - Anti-corrosion tape: EPT, etc. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-11000" is a flange-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd., which is certified under the Fire Service Act (Hazardous Material No. 20). Commonly referred to as "oil use," it is used for piping and storage tank piping for oil and chemicals as an earthquake countermeasure. Our available diameters range from 40A to 100A, with displacement amounts from 50 to 150mm. *Please note that the length comes in three variations for each diameter, so please check the lineup below. The "flexible tube" is made from thin-walled stainless steel electric welded pipe formed into a continuous pleated shape, providing bendability and flexibility. [Features] ■ It is compliant with operational standards for the installation of flexible piping joints at the connection points between tanks and piping that store or handle hazardous liquids, and has passed operational tests, pressure tests, etc., in the presence of the Japan Fire Equipment Safety Center, according to the "Testing Standards for Flexible Metal Hoses." *For more details, please refer to the PDF materials or feel free to contact us.

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The "CW-12000" is a flange-type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd., certified under the Fire Service Act (Article 17). Commonly referred to as "water use" or "pressurized water supply," it is used in fire extinguishing piping, and the fluid is limited to water only. *Please check the minimum length, standard length, etc., in the lineup below. The "flexible tube" is formed from thin-walled stainless steel electric-welded pipe into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ It is used in the surrounding piping of the suction and discharge sides of pressurized water supply devices for fire extinguishing equipment, sprinkler systems, water mist extinguishing systems, and foam extinguishing systems. ■ Flange standard: JIS10KF *JIS20KF specifications are also available (32A to 200A). *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-21000" is a flexible tube of sanitary ferrule type handled by Chūnichi Giken Kōgyō Co., Ltd. It is used in areas where frequent disassembly is required, but caution is necessary when using flexible tubes as they can accumulate liquid. The "flexible tube" is formed from thin-walled stainless steel electric-welded pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Easy to detach and attach fittings. ■ Material - Ferrule: SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-22000" is a flexible tube with a sanitary hex nut type handled by Chūnichi Giken Kōgyō Co., Ltd. It is used in areas that require frequent disassembly, but caution is necessary when using flexible tubes as they can accumulate liquid. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Easy to detach and attach fittings. ■ Material - Hex nut: SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-23000" is a flexible tube with a sanitary screw sleeve type handled by Chūnichi Giken Kōgyō Co., Ltd. It is used in areas that require frequent disassembly, but caution is necessary when using it as liquid may accumulate in 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】 ■ Easy to detach and attach fittings. ■ Material - Screw sleeve: SUS304, SUS316L - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-31000" is a flexible tube with a flange type for vacuum use, handled by Chūnichi Giken Kōgyō Co., Ltd. Basically, it does not have an outer blade, but it can also be manufactured with an outer blade. The "flexible tube" is made from thin-walled electric welded stainless steel pipes formed into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ For vacuum piping. ■ VF (no groove) is standard for loose flanges, and VG (with groove) is standard for fixed flanges. ■ Manufacturing diameter: 20A to 100A *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-32000" is a flexible tube with a flange type designed for vacuum use, handled by Chūnichi Giken Kōgyō Co., Ltd. Basically, it does not have an outer blade, but one with an outer blade can also be manufactured. The "flexible tube" is formed from thin-walled stainless steel electric welded pipe into a continuous pleated shape, providing bendability and flexibility. [Features] ■ For vacuum piping. ■ Easy to attach and detach due to clamp connection. ■ Manufacturing diameter: 10A to 100A (NW10 to NW100) *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-33000" is a flexible tube with a pipe end type for vacuum use, handled by Chūnichi Giken Kōgyō Co., Ltd. Basically, it does not have an outer blade, but it can also be manufactured with an outer blade. The "flexible tube" is made from thin-walled electric welded stainless steel pipes shaped into a continuous pleated form, providing bendability and flexibility. 【Features】 ■ For vacuum piping. ■ Easy piping connection with a bite joint. ■ Manufacturing diameter: 5A to 50A (φ6.35 to φ60.5) *For more details, please refer to the PDF materials or feel free to contact us.

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The "CW-18000F" is a full-jacket flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is used for applications such as temperature regulation, heating, and cooling of internal fluids. 【Features】 ■ It is a flexible tube designed to transport fluids while maintaining a constant temperature, featuring a double structure consisting of an inner tube and an outer tube. ■ The longitudinal direction serves as a joint for the outer tube diameter. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-18000S" is a semi-jacket type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. It is used for applications such as temperature regulation, heating, and cooling of internal fluids. 【Features】 ■ It is a flexible tube with a double structure consisting of an inner pipe and an outer pipe, designed to transport fluids while maintaining a constant temperature. ■ The longitudinal direction has a joint for the inner pipe diameter. ■ The joint part can also be of a screw type. *For more details, please refer to the PDF document or feel free to contact us.

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The "CW-8000" is a pipe-end type flexible tube handled by Chūnichi Giken Kōgyō Co., Ltd. Please specify the material, diameter, wall thickness, length, surface finish, etc. of the pipe. Delivery times may vary depending on our stock. The "flexible tube" is formed from thin-walled electric welded stainless steel pipes into a continuous pleated shape, providing bendability and flexibility. 【Features】 ■ Usable for piping with butt welding or socket joints ■ Materials - Pipe: Steel pipe, copper pipe - Tube: SUS304, SUS316L - Blade: SUS304 - Blade holder: SUS304 *For more details, please refer to the PDF document or feel free to contact us.

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