東葛工業 List of Products and Services

This is a comprehensive catalog of flexible hoses and expansion joints. The hoses manufactured by Tokatsu Kogyo carry food, pharmaceuticals, and clean water, enhancing comfort in various aspects of daily life. [Contents] ■ Fluororesin flexible hoses ■ Silicone and white rubber flexible hoses ■ Hose fittings and joint standards ■ Fluororesin expansion joints ■ Various technical documents This catalog includes ordering instructions and handling instructions. For details, please download the catalog or contact us.

• hose
• Piping Materials
• Pipe Fittings

This is a general-purpose hose that has a straight-type inner surface and a smooth fluororesin tube, enhanced with blades for pressure resistance. The lineup is diverse, including the versatile R115, the electrostatic discharge type R122, the R117 with an external protective spring covering the entire hose, the high-pressure R155, the ultra-high-pressure R160, and the R180 designed for liquid level gauges. Additionally, various options are available to meet all customer needs, making it a versatile hose.

• hose

This is a hose made from a fluororesin tube processed into a bellows shape, equipped with blades to provide pressure resistance. The lineup is diverse, including the general-purpose type R221, the lightweight R223 with PP blades, the R210 which intentionally has no blades, and the R250 which accommodates large diameters (up to 250A). It is also possible to respond to negative pressure by using spring protection or V sleeves in the valleys.

• hose

This is a series of hoses made from rubber that complies with strict analytical tests such as Ministry of Health, Labour and Welfare Notification No. 370 and FDA CFR § 177.2600. It addresses environmental hormone issues and resolves various sanitary concerns. The wire hoses can also handle negative pressure, making them ideal for piping in food, pharmaceuticals, cosmetics, and more.

• hose

This is an expansion joint made of fluororesin that maximizes the properties of fluororesin. It is a versatile expansion joint that utilizes the flexibility of the resin along with chemical resistance and heat resistance. We can provide products with 2, 3, and 5 corrugations in diameters ranging from 25A to 300A. With the use of thick fluororesin, its durability is also outstanding.

• Pipe Fittings
• Piping Materials
• Water Hydraulic Equipment

"R115" is the standard for high-performance straight hoses with excellent pressure resistance and durability. "R122" is an electrostatic discharge type (conductive type) that releases static electricity generated in the hose to the outside without charging it, by adding 15% carbon to the inner surface of the PTFE straight tube. With a wide range of exterior protective material options, it meets all needs. Additionally, it can be manufactured in a short lead time due to the fitting shape. Furthermore, we respond quickly in case of any issues. For more details, please contact us or refer to the catalog.

• hose

"R117" is based on R115 and is protected by wrapping SUS springs around its exterior. "R127" is an electrostatic discharge type (conductive type) and is a spring protection type based on R122. It features a fully reinforced spring wrap on the exterior to prevent hose bending. Additionally, we offer exterior protection options such as glass blade wraps and sand blade wraps that have SUS blades placed over glass types. For more details, please contact us or refer to the catalog.

• hose

"R119" features a fluororesin flared processing on the inner surface (liquid contact area) of SUS flexible hoses, which are certified under the Fire Service Act and are general-purpose products. Since it uses a straight tube, the inner surface is smooth without any steps, preventing liquid pooling. The entire liquid contact area is made of fluororesin, significantly enhancing corrosion resistance. Production using supplied items (stainless steel flexible hoses, expansion joints, stainless steel piping) is also possible. For more details, please contact us or refer to the catalog.

• hose

"R140" is a product that features a PTFE straight hose with an SUS blade. It has been finished to a very smooth interior surface for applications that require improved transfer and ease of cleaning. Additionally, to prevent bending of the hose, SUS springs are wrapped around it completely. Long-length hoses are also available. It is excellent for applications in a stationary state that do not involve excessive use or bending. For more details, please contact us or refer to the catalog.

• hose

The "R155" is a straight hose of the electrostatic discharge type (conductive type). The 8A and 10A versions are a two-layer type based on the "R122" with the addition of SUS304 hard wire blades, while the 15A to 25A versions are a three-layer type based on the "R122" with the addition of aramid blades and SUS hard wire blades. It is a high-pressure type set between medium pressure and ultra-high pressure. Compared to general high-pressure hoses, it has a lighter weight and a compact structure with a small bend radius and hose outer diameter. For more details, please contact us or refer to the catalog.

• hose

The "R160" is a straight hose designed for ultra-high pressure applications with electrostatic discharge (conductive type). It uses a tube made of the highest quality PTFE with 15% carbon added to the inner surface, and is reinforced with Uniblade® on the exterior to achieve durability. It is ideal for transferring high-viscosity substances. For more details, please contact us or refer to the catalog.

• hose

The "R180" uses thick PFA resin, making it resistant to impact and deformation, and it will not break. Additionally, due to the increased strength of the resin itself, an outer casing is unnecessary. Fluid flow can be observed from a full 360° around it. It is ideal for replacement with glass sight glasses.

• tube
• Pipe Fittings
• hose

"R210" can also be processed with flaring or assembly. It is flexible and can be bent without breaking (kinking) or cracking, making it safe to use even under continuous bending or vibration. For more details, please contact us or refer to the catalog.

• hose

The "R210" is a hose that does not have a reinforcement blade and has a sleeve-processed tube end. It is flexible and can be bent without breaking (kinking) or cracking, making it safe to use even under continuous bending or vibration. It is suitable for use under positive pressure, in cases where a connector is not needed, such as with push-in connections or in a free state. For more details, please contact us or refer to the catalog.

• hose

The "R221" features a SUS blade on a convoluted hose. The "R231" is an electrostatic discharge type (conductive type) that retains the characteristics of the R221 while being a highly conductive convoluted hose designed for the purpose of discharging static electricity. It is easy to clean, suitable for both medium pressure and vacuum applications. It has flexibility and is easy to bend. It is suitable for various fields that require flexible and lightweight PTFE hoses, including pharmaceuticals, chemicals, food, and beverages. For more details, please contact us or refer to the catalog.

• hose

The "R223" features a convoluted hose with polypropylene blades. The "R233" is an electrostatic discharge type (conductive type) that retains the characteristics of the R223 while being a highly conductive convoluted hose designed for the purpose of discharging static electricity. It is a convoluted type that is easy to clean. It has features such as resistance to crushing, ease of bending, and weight reduction. It is suitable for various fields that require PTFE hoses with higher chemical resistance than metal blades, including pharmaceuticals, chemical products, food, and beverages. For more details, please contact us or refer to the catalog.

• hose

The "R250" is a convoluted hose designed to enhance appearance protection and pressure resistance by applying a SUS blade to its exterior, making it the standard for high-performance hoses. It is flexible and can be bent without kinking or cracking, allowing for safe use even under continuous bending and vibration. It is suitable for chemical applications, gas piping, and food brewing. Hose sizes can be manufactured up to 250A. For more details, please contact us or refer to the catalog.

• hose

We will introduce the length of the fluororesin convoluted hose necessary to absorb the displacement of the piping axis. When the horizontally installed hose is displaced in the direction perpendicular to the axis, the distance between the mounting surfaces retreats in the hose axis direction. For more details, please contact us or refer to the catalog.

• hose

The "R272" is a high-performance convoluted hose that combines excellent pressure resistance with flexibility. The "R276" is a static electricity discharge type (conductive type) that retains the features of the R272 while being a highly conductive convoluted hose designed for static electricity discharge. It is a hose with particularly excellent flexibility, featuring a spiral design made with a fine pitch tube and covered with SUS blades on the outside. The bend radius is about 1/3 that of a straight hose. It is especially suitable for applications requiring high flexibility, handling operations, and mechanical piping. For more details, please contact us or refer to the catalog.

• hose

"R311" is a hose made from silicone rubber certified by the Ministry of Health, Labor and Welfare Notification No. 370 and the FDA. By reinforcing the silicone's intermediate layer with a blade made of NTS structure (heat-resistant strong synthetic fiber), we have controlled the twisting of the silicone hose and enhanced its pressure resistance. As an option, the pressure resistance can be further increased by reinforcing the exterior of the silicone hose with blades made of SUS or PP. For more details, please contact us or download the catalog.

• hose

"R320" uses silicone rubber that complies with FDA and USP standards. The intermediate layer is reinforced with nylon fiber blades to enhance pressure resistance. Certificates for overseas standards such as FDA and USP can be issued. It is ideal for use in pharmaceuticals, biomedicine, cosmetics, and food sectors. For more details, please contact us or refer to the catalog.

• hose

"R330" is produced using silicone rubber that complies with FDA and BfR standards in a clean room. By reinforcing the intermediate layer with polyester fiber blades and SUS wire, it is now capable of handling negative pressure. It is ideal for use in the pharmaceutical, biotechnology, cosmetics, and food industries. For more details, please contact us or refer to the catalog.

• hose

"R340" is produced using silicone rubber that complies with USP, FDA, and BfR standards, in a clean room. By reinforcing the intermediate layer with polyester fiber blades and SUS wire, it is now capable of withstanding negative pressure. It is ideal for use in pharmaceuticals. For more details, please contact us or refer to the catalog.

• hose

The "R410" uses FDA and BfR compliant white EPDM rubber for the inner surface of the hose. By reinforcing the intermediate layer with nylon fiber braid and SS wire, it can also handle negative pressure. The outer material is made of blue EPDM rubber. It is ideal for common products such as milk, beer, wine, juice, soft drinks, and alcoholic beverages. For more details, please contact us or refer to the catalog.

• hose

The "R420" uses white NBR rubber that is highly resistant to oil and abrasion, compliant with FDA and BfR standards, on the inner surface of the hose. By reinforcing the intermediate layer with nylon fiber braid and SS wire, it can also handle negative pressure. The outer material is made of gray chloroprene rubber. Since it uses NBR rubber, which has higher oil and abrasion resistance compared to EPDM, it is suitable for fluids with high fat content, such as creams, and for fluids with high annual usage. For more details, please contact us or refer to the catalog.

• hose

The "expansion joint" is made from modified PTFE (T-62), which has high corrosion resistance and does not deteriorate. It is also extremely flexible and boasts high reliability. Additionally, it has reduced elasticity to protect pressure-sensitive glass, graphite, and FRP equipment, improving cost efficiency. The bellows of the "R710 series" use PTFE. The flange is made of SCS13 (equivalent to SUS304), and the reinforcing ring is made of NITRONIC50. For more details, please contact us or refer to the catalog.

• joint

The "expansion joint" is made of molded modified PTFE (T-62), which has extremely high corrosion resistance and does not deteriorate. It is also highly flexible and boasts high reliability. Additionally, it has reduced elasticity to protect pressure-sensitive glass, graphite, and FRP equipment, improving cost efficiency. The bellows of the "R710 series" use PTFE. The flange is made of SCS13 (equivalent to SUS304), and the reinforcing ring is NITRONIC50. For more details, please contact us or refer to the catalog.

• joint

The "expansion joint" is made from modified PTFE (T-62), which has high corrosion resistance and does not deteriorate. It is also extremely flexible and boasts high reliability. Additionally, it has reduced elasticity to protect pressure-sensitive glass, graphite, and FRP devices, improving cost efficiency. The bellows of the "R710 series" use PTFE. The flange is made of SCS13 (equivalent to SUS304), and the reinforcement ring is made of NITRONIC50. For more details, please contact us or refer to the catalog.

• joint

We offer "sanitary ferrules" that meet IDF standards, standard products compatible with small-diameter gas pipe standards, "gas pipe ferrules" that can accommodate various company standards, "male joints" that meet IDF standards, and "sanitary hex nuts" that meet IDF standards. Buff polishing and electropolishing are available as options. For more details, please contact us or refer to our catalog.

• Pipe Fittings

The "R500" is a perfect fitting with a fluoropolymer tube flared to the connection part of the ferrule fitting. Since the contact surface of the hose is entirely made of fluoropolymer, it has extremely high cleaning performance, making it ideal for lines that use high-purity chemicals. It is well-suited for production lines in pharmaceuticals, biotechnology, and food industries that require high cleanliness. It is registered as a utility model (Registration No. 3061574). Buff polishing and electropolishing are available as options. For more details, please contact us or refer to the catalog.

• Pipe Fittings

The "Safe Lock" is a coupling with a safety mechanism that allows for quick disconnection of the joint by lifting the cam arm. When a fluororesin hose undergoes flare lining processing, the contact surface becomes entirely fluororesin, making it ideal for food, pharmaceuticals, and chemical lines. Additionally, the hose shank coupler rotates 360°, preventing hose twisting. Patent No. 4463219. By pairing it with a fluororesin hose that has excellent properties, it solves various issues in factories. It can be attached to all hoses made of fluororesin, silicone, and white rubber. Awarded the Good Design Award (95L0661). For more details, please contact us or refer to the catalog.

• Pipe Fittings
• Coupling
• hose

The "Safe Lock" is a safety lock cam arm that has been patented in Japan and Western countries. It has also won the Good Design Award in Japan. The operation is simple, with high reliability, safety, and exceptional durability, reducing costs. It is a one-touch cam arm coupling that requires no tools for the transport of any fluid, including liquids, gases, powders, and slurries. The material, including the main body and components, is all SCS14 (SUS316). For more details, please contact us or refer to the catalog.

• Pipe Fittings
• Coupling

"R255" prevents external penetration corrosion by wrapping a petro-tar-based anti-corrosion tape and a salt damage vinyl tape around the exterior of the R250 series in a garter-like manner. For more details, please contact us or refer to the catalog.

• hose

"R256" maintains a constant fluid temperature inside the hose or heats the fluid for smooth transportation without electric current, using steam for insulation and cooling. For more details, please contact us or refer to the catalog.

• hose

"R257" is a modified type with more flexibility than R256. For more details, please contact us or refer to the catalog.

• hose

"S-type/Spring Wrap" demonstrates its effectiveness in preventing hose bending by tightly wrapping a spring made of SUS spring steel wire around the outer surface. Neck reinforcement (length and pitch can be customized). Full wrap is R117. For more details, please contact us or refer to the catalog.

• hose

EPT rubber, silicone rubber, fluororesin shrink tubes, etc. can be installed in full or specified dimensions. For more details, please contact us or refer to the catalog.

• hose

The "G type / Glass Blade Wrap" is a slim type where the glass blade is placed over the blade hose and crimped together. Cotton, nylon, and PP blades are also available. Hose bands are not required (up to 25A). For more details, please contact us or refer to the catalog.

• hose

The "W-type/Sand Blade Wrap" is a compact design that features an SUS blade placed on top of a glass type. Hose bands are not required (up to 25A). For more details, please contact us or refer to the catalog.

• hose

The "P type" is equipped with insulation materials for the purpose of heat retention and to prevent condensation. The color is white, and the material is PP. For more details, please contact us or refer to the catalog.

• hose

The "P type" is equipped with insulation materials for the purpose of heat retention and as a measure to prevent condensation. The color is black, and the material is EPDM. For more details, please contact us or refer to the catalog.

• hose

It is a non-metal fixed joint made of PTFE, PP, and Delrin, etc. For more details, please contact us or refer to the catalog.

• hose
• Pipe Fittings