テクノフレックス List of Products and Services

Flexible hoses made from various materials such as stainless steel and fluororesin can be selected according to your usage conditions, ranging from construction equipment to vacuum, nuclear, and fuel piping. ● We stock over 20 types of manufacturing diameters from 6A to 350A at all times, and can also produce hoses over 400A. In particular, flexible hoses made from stainless steel, with SUS304 or SUS316L as standard specifications, have gained high technical evaluation in various fields due to their excellent heat and pressure resistance and minimal occurrence of issues due to aging. Additionally, flexible hoses made from fluororesin are recognized as highly reliable products in technical fields such as bio-nanotechnology and pharmaceutical and food lines, greatly expanding their potential. *For more details, please download and view the catalog.

Stainless steel TR flex for city gas and LP gas.

The "ES Free-Form Single" is a bellows-type expansion joint designed to absorb axial thermal displacement of low-pressure piping and vibrations from low-pressure pump blowers. Ground subsidence can cause misalignment, and vibrations from pumps and compressors can transmit through the piping, potentially leading to unexpected issues with equipment or buildings. In such cases, this product demonstrates excellent effectiveness. 【Features】 ■ Simple shape in basic form ■ Absorbs axial thermal displacement of low-pressure piping and vibrations from low-pressure pump blowers ■ Pipes expand and contract due to changes in fluid temperature or ambient temperature *For more details, please refer to the PDF document or feel free to contact us.

The "ED Free Type Expansion Joint" is a bellows-type expansion joint that expands and contracts due to changes in the temperature of the fluid and the ambient temperature. The manufacturing range is from 40A to 5000φ, with expansion directions in the axial direction and perpendicular to the axis. The operating pressure ranges from vacuum to 0.3Mpa. It is suitable for absorbing large displacements that cannot be accommodated by a single unit. 【Specifications】 ■ Manufacturing range: 40A to 5000φ ■ Expansion direction: Axial direction / Perpendicular to axis ■ Operating pressure: Vacuum to 0.3Mpa *For more details, please refer to the PDF document or feel free to contact us.

The "LS Guide Bolt Type Single Expansion Joint" is a bellows-type expansion joint designed for use under vacuum to 1.0 MPa pressure. There is a risk of damage to fixed points and other components due to unexpected loads caused by abnormal pressure from malfunctions. To address this, the expansion joint itself is equipped with guide bolts to absorb unexpected loads, thereby preventing damage to fixed points and other components. 【Features】 ■ The expansion joint itself is equipped with guide bolts to absorb unexpected loads. ■ A structure that prevents damage to fixed points and other components. ■ The pipe expands and contracts due to changes in fluid temperature and ambient temperature. ■ Thin plates are layered multiple times to increase pressure resistance without affecting the expansion and contraction operation. *For more details, please refer to the PDF document or feel free to contact us.

The "LD Guide Bolt Type Double Acting" is a bellows-type expansion joint that allows for expansion in both the axial and perpendicular directions. As the operating pressure increases, the shape of the bellows changes. While increasing the thickness of the material can prevent this, it restricts the expansion movement. Therefore, multiple layers of thin material are stacked to increase pressure resistance without affecting the expansion movement. 【Features】 - Multiple layers of thin material are stacked to increase pressure resistance. - Suitable for absorbing large displacements that cannot be accommodated by a single acting type. *For more details, please refer to the PDF document or feel free to contact us.

The "RS Reinforced Ring Single Type (for High Pressure)" is a bellows-type expansion joint used under high-pressure conditions compared to the ES type. The manufacturing range is from 40A to φ5000, with the expansion direction being axial. The operating pressure ranges from vacuum to 20Mpa. It is used for various applications such as steam pipes, hot water piping, high-temperature water, high-pressure steam, and oil delivery pipes. 【Specifications】 ■ Manufacturing range: 40A to φ5000 ■ Expansion direction: Axial ■ Operating pressure: Vacuum to 20Mpa *For more details, please refer to the PDF document or feel free to contact us.

The "RD Reinforced Ring Type Double (for High Pressure)" is a bellows-type expansion joint used for high-temperature water, high-pressure steam, oil transfer pipes, and more. It is suitable for absorbing large displacements that cannot be accommodated by the single RS type. Additionally, since the double type may require the installation of intermediate supports, standard support dimensions have been established. 【Specifications】 ■ Manufacturing range: 40A to φ5000 ■ Expansion direction: Axial ■ Operating pressure: Vacuum to 20Mpa *For more details, please refer to the PDF document or feel free to contact us.

The "GS Gimbal Single (High Pressure)" is a bellows-type expansion joint that restrains internal pressure thrust and allows angular displacement in various directions. By combining two gimbal-type joints and one hinge-type joint, it can absorb large displacements in various directions. It is used in steam pipes, chilled and hot water piping, high-pressure steam pipes, hot water piping, high-pressure gas pipes, and more. Additionally, we also offer the "GD Gimbal Double (High Pressure)." 【Features】 ■ Restraints internal pressure thrust ■ Allows angular displacement in various directions ■ By combining two gimbal-type joints and one hinge-type joint, it can absorb large displacements in various directions *For more details, please refer to the PDF document or feel free to contact us.

The "Gimbal Type Single GS/Dual GD" is a bellows-type expansion joint capable of absorbing large displacements that occur in various directions due to its combination. The gimbal type, like the hinge type, restrains internal pressure thrust. Unlike the hinge type, it can angle displace in various directions. It is suitable for applications such as steam pipes, hot and cold water piping, high-pressure steam pipes, hot water piping, and high-pressure gas pipes. 【Features】 ■ Capable of absorbing large displacements in various directions through combinations ■ Restrains internal pressure thrust like the hinge type ■ Angles displace in various directions unlike the hinge type ■ By combining two gimbal types with one hinge type, it can absorb large displacements in various directions *For more details, please refer to the PDF document or feel free to contact us.

The "HS Hinge Single Type (Low Pressure)" is a bellows-type expansion joint that can absorb larger displacements than a universal type by combining two or three hinge types. By using hinge arms mounted on the sides of the bellows and a central pin to restrain the internal pressure thrust, it absorbs angular displacement by bending the bellows around the pin. Additionally, we also offer the "HD Hinge Type Double (Low Pressure)." 【Features】 ■ By combining two or three hinge types, it can absorb larger displacements than a universal type. ■ By extending the intermediate pipe, larger lateral displacement Y can be achieved. ■ It can also be combined with a gimbal type. *For more details, please refer to the PDF document or feel free to contact us.

The "Hinged Type Single HS/Dual HD" is a bellows-type expansion joint that can absorb large displacements caused by earthquakes and other events through its combinations. The hinged type restrains internal pressure thrust with a hinge arm attached to the side of the bellows and a central pin, allowing the bellows to bend around the pin to absorb angular displacement. By combining two or three hinged types, it can absorb larger displacements than a universal type. 【Features】 ■ Capable of absorbing large displacements caused by earthquakes and other events through combinations ■ Absorbs angular displacement by bending the bellows around the pin ■ By extending the intermediate pipe, larger lateral displacement Y can be achieved ■ Can also be combined with gimbal types ■ Pressure: 0.2MPa to 0.8MPa *For more details, please refer to the PDF materials or feel free to contact us.

We handle the bellows-type expansion joint "BS Straight Pipe Balance Type (S Shape)." The pressure ranges from 0.2 MPa to 10 MPa. It absorbs axial expansion and contraction of the piping without generating thrust due to internal pressure. It is suitable for applications such as oil delivery pipes, air ducts, and steam pipes, with diameters available from 100A to 600A. 【Features】 ■ Manufacturing range: 50A to Φ4000 ■ Expansion direction: Axial ■ Operating pressure: 0.2 MPa to 10 MPa *For more details, please refer to the PDF document or feel free to contact us.

We handle the bellows-type expansion joint "BL Curved Pipe Balance Type (L Shape)." The pressure range is from 0.2 MPa to 10 MPa. It is used at the bends of piping and absorbs axial expansion and displacement in the axial perpendicular direction. It is suitable for applications such as air ducts, crossover pipes, oil supply piping, and connections to spherical tanks. 【Features】 ■ Manufacturing range: 50A to Φ4000 ■ Expansion direction: Axial / Perpendicular to axis ■ Operating pressure: 0.2 MPa to 10 MPa *For more details, please refer to the PDF document or feel free to contact us.

At Technoflex, we handle the bellows-type expansion joint "RE Rectangular Bellows." It is used for displacement absorption in rectangular piping such as flues, ducts, and blower outlets. For absorption of variations in the axial perpendicular direction, we can also manufacture a multi-type. The pressure range is -0.05MPa to 0.2MPa. 【Features】 ■ Manufacturing range: 300 to 10000 ■ Expansion direction: Axial / Perpendicular to axis ■ Operating pressure: Vacuum to 0.3MPa *For more details, please refer to the PDF materials or feel free to contact us.

We handle the bellows-type expansion joint 'BT Straight Pipe Balance Type (T-shape)'. It is suitable for places with dimensional restrictions. The operating side bellows and the balance side bellows are connected by an L-shaped crank arm, which cancels out the internal pressure thrust. The pressure ranges from 0.2 MPa to 10 MPa, making it suitable for applications such as oil delivery piping, air supply piping, and steam piping. 【Features】 ■ Manufacturing range: 100A to Φ1500 ■ Expansion direction: Axial ■ Operating pressure: 0.2 MPa to 10 MPa *For more details, please refer to the PDF materials or feel free to contact us.

Our company handles "Universal Bellows Type Expansion Joint." The universal type restrains internal pressure thrust by connecting two bellows with tie rod bolts, allowing it to absorb lateral (perpendicular to the axis) displacement. The pressure ratings are up to 1.0 MPa for certified products and between 0.2 MPa and 2.0 MPa for general products. It is effective for countermeasures against uneven settlement of tanks, earthquake measures, and in piping where axial alignment cannot be used, such as for steam, hot water, and oil transport pipes. 【Features】 ■ Certified product No. 20 for fire safety ■ By connecting two bellows with tie rod bolts, it restrains internal pressure thrust and absorbs lateral (perpendicular to the axis) displacement. *For more details, please refer to the PDF materials or feel free to contact us.

The F140 is a flexible metal hose for tank connection piping of hazardous materials. The diameter ranges from 40A to 350A, with a design pressure of 1.0MPa (at room temperature). The fittings are JIS10K and ANSI/JPI150Lb flanges. It is a model certified to meet the standards (technical guidelines) of the Fire Department. 【Features】 ■ Diameter: 40A to 350A ■ Fittings: JIS10K, ANSI/JPI150Lb flanges ■ Fitting materials: SS400/SFVC2A, SUS304, 316, 316L ■ Design pressure: 1.0MPa (at room temperature) ■ Compliance specification: Certified by the Japan Fire Equipment Safety Center *For more details, please refer to the PDF document or feel free to contact us.

Flanged Type Made to Order 【Features】 ○ Flanged type made to order ○ The use of flange colors allows for production between short faces ○ Fixed flange type is F121 ○ Loose flange type is F122 ○ Diameter: 10A to 100A ○ Fittings: JIS 5K, 10K, 20K, ANSI/JPI 150Lb, 300Lb flanges, and others ○ Applicable tubes: HA, HB, HC, HS, HP, SA, OH

Flanged Flexible Hose Made to Order 【Features】 ○ Made to order flanged type ○ By using a lap joint, the range of tube selection is expanded ○ Capable of processing various gasket surfaces ○ Fixed flange type is F123 ○ Loose flange type is F124 ○ Diameter: 10A to 150A ○ Fittings: JIS 5K, 10K, 20K, ANSI/JPI 150Lb, 300Lb flanges, and others ○ Applicable tubes: HA, HB, HC, HS, HP, SA, FX, OH, OA, OB, OP

Large-Diameter Custom-Made Flanged Flexible Hose 【Features】 ○ Large-diameter custom-made flanged type ○ Capable of processing various gasket surfaces ○ Fixed flange type is F129 ○ Loose flange type is F128 ○ Diameter: 65A to 350A 　※ Can also be manufactured for sizes over 400A ○ Fittings: JIS 5K, 10K, 20K, ANSI/JPI 150Lb, 300Lb flanges, and others ○ Applicable tubes: HA, HB, HP, OH, UB, OA, OB, OP, OU ● For other functions and details, please download the catalog.

Flange Type Made to Order 【Features】 ○ Based on F121/F122, with an embedded specification wrapped in anti-corrosion tape on the outer surface of the tube ○ Anti-corrosion coating on parts other than stainless steel ○ Maximum heat resistance temperature of the anti-corrosion tape is 80℃ ● For other functions and details, please download the catalog.

Custom-made flange-type flexible hose 【Features】 ○ Based on F123/F124, with anti-corrosion tape wrapped around the outer surface of the tube for buried specifications ○ Anti-corrosion coating on parts other than stainless steel ○ Maximum heat resistance temperature of the anti-corrosion tape is 80°C ● For other functions and details, please download the catalog.

With a double structure, it prevents the solidification of fluids by passing a heat transfer medium between the inner and outer layers. We offer a full-jacket type with a double structure throughout its length and a semi-jacket type where only the flange part has the inner pipe exposed! ◆◇◆ Product Details ◆◇◆ 【Diameter】: 10A to over 400A 【Fittings】: Various JIS and ANSI flanges, and for the semi-jacket type, screw connections are also possible 【Normal Temperature Pressure】: 1.0 MPa or more *1 【Maximum Operating Temperature】: 350°C *1 (*1: Varies depending on diameter and tube type) Others: ○ Can accommodate high-pressure specifications ○ Capable of manufacturing all stainless steel structures For more details, please contact us.

Non-welded assembly union type flexible hose 【Features】 ○ Non-welded assembly union type ○ Easy to handle, gasket (packing) seal type ○ Pipe tapered female thread connection (union type) ○ S210 is only for standard specifications ○ Custom-made products are S220 ○ Diameter: 15A to 50A ○ Maximum operating temperature: 100℃ ○ Stock lengths: 300, 400, 500, 600, 800, 1000mm ○ Fitting material: black heart ductile cast iron (FCMB) ○ Gasket (packing): non-asbestos joint sheet ● For other functions and details, please download the catalog.

Lightweight and Excellent Flexural Resistance Flexible Hose 【Features】 ○ Non-welded assembly with metal seal ○ Maintenance-free due to metal seal ○ Lightweight with excellent flexural resistance ○ Bag nut does not contact fluid ○ No need for gaskets (packing), expanding the range of applicable fluids ○ Diameter: 8A to 25A ○ Stock lengths: 250, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1500, 2000 mm 　* Other lengths can also be manufactured (made to order) ○ Material: Tube: SUS304 　　　　Fittings (Adapters): Mild steel (zinc-plated), stainless steel, bronze ● For other functions and details, please download the catalog.

Union Type Custom-Made Products 【Features】 ○ Union shape for custom manufacturing ○ Custom-made products of union type ○ Compatible with all pressure and temperature conditions ○ Diameter: 8A to 100A ○ Applicable tubes: HA, HB, HC, HS, SA, OH ○ Fittings: Black heart ductile cast iron (FCMB), ordinary steel, stainless steel, bronze ● For other functions and details, please download the catalog.

Metal Seal Type Flexible Hose 【Features】 ○ Metal seal type ○ Bag nut type joint welded to the tube ○ Tubes can be selected to suit all conditions, from static piping to repeated severe bending ○ Diameter: 6A to 65A ○ Applicable tubes: HA, HB, HC, HS, HP, SA, FX, OH, OA, OB ○ Joint fittings: Carbon steel, stainless steel ● For other functions and details, please download the catalog.

The S230 is a flexible metal hose with a fixed screw type. R(PT) screw fittings (nipples or sockets) are directly welded to the tube. A variety of tubes suitable for different conditions, from stationary piping to repeated severe bending, can be selected. It can accommodate both male and female tapered pipe threads, and various other thread standards, including NPT threads, can also be manufactured. Please feel free to contact us when placing an order. 【Features】 ■ Can accommodate various pressure and temperature conditions ■ Used when the connecting piping is a loose adapter ■ Can accommodate both male and female tapered pipe threads ■ Various other thread standards, including NPT threads, can also be manufactured ■ When using a loose type on one side with a bag nut, it can be combined with S225 ■ In addition to the hex nipple shown in the figure, round nipples are also available *For more details, please refer to the PDF document or feel free to contact us.

The S270 is a lightweight and kink-resistant low-pressure hose. It is used for connecting to tank trucks. The joint section is equipped with easy-to-remove horns. For the tube, we recommend the Omega tube, which is suitable for dynamic piping, and an optional reinforcing spring is effective for preventing extreme bending. 【Features】 ■ Lightweight and kink-resistant ■ Used for connecting to tank trucks ■ The joint section has easy-to-remove horns ■ The Omega tube is recommended for dynamic piping ■ An optional reinforcing spring is effective for preventing extreme bending *For more details, please refer to the PDF document or feel free to contact us.

The "C310" is a flexible metal hose with a lever coupling. The hose can be easily attached and detached. By simply pushing up the lever on the coupling, the adapter can be disengaged. The standard packing material for the coupling is NBR (nitrile rubber), with options for neoprene, fluororubber, EPDM, and others. Additionally, in addition to hexagonal nipples, round nipples can also be selected for the fittings. 【Features】 ■ Equipped with a lever coupling ■ Easy attachment and detachment of the hose ■ The adapter can be disengaged by simply pushing up the lever on the coupling ■ The standard packing material for the coupling is NBR (nitrile rubber) ■ In addition to hexagonal nipples, round nipples can also be selected for the fittings *For more details, please refer to the PDF document or feel free to contact us.

The C315 is a flexible metal hose with a quick coupling. It can handle high pressure specifications from liquids to gases. The hose can be easily attached and detached with a one-touch bearing-type coupling fitting. The dual-path open/close coupling has automatic opening and closing valves built into both the socket and plug, preventing fluid from leaking out during disconnection. Additionally, an open type without built-in valves is also available. 【Features】 ■ Equipped with a quick coupling ■ Hose attachment and detachment can be done with one touch using a bearing-type coupling fitting ■ Capable of handling high pressure specifications from liquids to gases ■ Open type without built-in valves is also selectable ■ In addition to hexagonal nipples, round nipples can also be chosen *For more details, please refer to the PDF document or feel free to contact us.

The C340 is a flexible metal hose of the sanitary fitting type. Various selections for ISO and IDF are available. It demonstrates its effectiveness during cleaning within piping or when changing fluids. Various sanitary fittings are welded to the tube, and it is also capable of degreasing and cleaning for food and pharmaceutical piping. In addition to flexible metal hoses, fluoropolymer hoses are also manufactured. 【Features】 ■ Demonstrates effectiveness during cleaning within piping or when changing fluids ■ Various sanitary fittings are welded to the tube ■ Various selections for ISO and IDF are available ■ Capable of degreasing and cleaning for food and pharmaceutical piping ■ In addition to flexible metal hoses, fluoropolymer hoses are also manufactured *For more details, please refer to the PDF document or feel free to contact us.

We provide various regulatory-compliant products with abundant experience and technical expertise! Please contact us first! ☆ Applicable Regulations ☆ - Electric Utility Law (Nuclear, Thermal, LNG / Welding Contractor Inspection Available) - High-Pressure Gas Safety Act (Specific Equipment, Commissioned Inspection) - Gas Business Act - Heat Supply Business Act - Boiler Structure Standards - Pressure Vessel Structure Standards - Fire Service Act ☆ Track Record ☆ Our company's expansion joint division, formerly known as Tokyo Spiral Pipe Manufacturing and Toyo Spiral Pipe Industry, was established in the 1940s and boasts over 70 years of bellows manufacturing history! - Diameter: From 40 millimeters to over 10 meters! <The largest record to date is a diameter of 27 meters for a reactor containment vessel> - Pressure: From vacuum to 35 megapascals! <We propose appropriate designs based on accumulated technology> - Temperature Range: From minus 253°C to over 1000°C! <Low temperatures for liquid hydrogen lines and high temperatures for petroleum refining FCC units, etc.> We respond with advanced design know-how and manufacturing technology backed by our track record. Our products are used in critical lines at LNG facilities around the world, including Malaysia, Australia, and Indonesia.

Non-welded integrated flange type flexible hose 【Features】 ○ Non-welded integrated flange type ○ Widely used for vibration damping and displacement absorption ○ Features a wide sealing surface not found in conventional designs, allowing for the use of JIS standard gaskets (packing) ○ Diameter: 20A to 50A ○ Stock lengths: 300, 400, 500, 600, 800, 1000mm ○ Fittings: JIS10K/SS400 (electro-galvanized) 　※ Only compatible with JIS10K. ○ Applicable specifications: Ministry of Land, Infrastructure, Transport and Tourism specifications / various government agency specifications for vibration-damping joints 　　　　　　Ministry of Land, Infrastructure, Transport and Tourism specifications / various government agency specifications for flexible joints ● For other functions and details, please download the catalog.

Non-welded integrated forming flange type 【Features】 ○ Widely used for vibration prevention and displacement absorption ○ Excellent safety and pressure resistance achieved by welding the blade ends all around ○ Pressure testing possible at 1.5MPa ○ Diameter: 20A to 300A ○ Stock sizes: 65A to 300A ○ Fittings: JIS10K/SS400 (electro-galvanized) 　* Stainless steel flanges, JIS5K, ANSI/JPI150Lb flanges can also be manufactured (made to order) ○ Compliance specifications: Ministry of Land, Infrastructure, Transport and Tourism specifications / various government agency specifications for vibration-proof joints 　 Ministry of Land, Infrastructure, Transport and Tourism specifications / various government agency specifications for flexible joints 　* Products certified and registered by the Japan Water Works Association and those that meet specification tests can be manufactured ● For other functions and details, please download the catalog.

Flanged General-Purpose Flexible Metal Hose 【Features】 ○ For alignment of piping ○ Liquid contact part is SUS304 ○ Diameter: 15A to 100A ○ Stock lengths: 300, 400, 500, 600, 800, 1000mm 　※ Other lengths can also be manufactured (made to order) ○ Fitting material JIS10K/SS400 (electro-galvanized) 　※ JIS5K can also be manufactured (made to order) ○ Compliance specifications: Ministry of Land, Infrastructure, Transport and Tourism specifications / various government agency specifications for flexible joints ● For other functions and details, please download the catalog.