Responding to a wide range of fields with abundant experience and rich technical skills! Demonstrating safety and excellent effectiveness!
We provide various regulatory-compliant products with our extensive 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, Contracted 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 recorded diameter is 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 equipment, 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.
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☆ Supported Products ☆ - Free type (with adjustment ring / with guide bolt) - Universal type, hinge type, gimbal type - Balance type - External pressure type - Wall joint - Square type - Thick-walled type - Others ☆ Qualification Certification ☆ Supporting projects with a wealth of business approvals, type certifications, individual qualifications, etc.! - Ministry of Economy, Trade and Industry Private product certification for welded products related to electrical work (thermal power) Welding construction methods under the Electricity Business Act (thermal power, nuclear power) Welding construction methods under the High-Pressure Gas Safety Act (specific equipment) Welding construction methods under the Gas Business Act - Ministry of Health, Labour and Welfare Pressure vessel manufacturing approval, boiler manufacturing approval - Ministry of Internal Affairs and Communications Fire safety performance evaluations No. 20, No. 59, oil-resistant reinforcement materials - Ministry of Education, Culture, Sports, Science and Technology Welding construction methods related to nuclear materials, nuclear fuel materials, and reactors - Japan Water Works Association Inspection factory for water supply flexible pipe joints - Various ship classification societies Type certification for low-temperature expansion joints - Japan Welding Society Many certified welding management technicians and JIS welding skill test passers - Japan Non-Destructive Testing Association Many non-destructive testing technicians We also support products not listed. Please contact us first. ● You can view the table of contents and some parts from the catalog download.
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Applications/Examples of results
There are achievements in a wide range of fields from domestic and overseas factories! <Delivery Fields> ☆ For LNG/LPG bases ☆ For LNG/LPG ships ☆ For gas pipelines/gas spherical holders ☆ For oil spill prevention ☆ For district heating and cooling piping ☆ For rocket launch facilities ☆ For the oil and petrochemical industry ☆ For oil bases ☆ For steelworks ☆ For various plants ☆ For thermal power plants ☆ For nuclear power plants ☆ For geothermal power plants Please contact us for more details.
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Company information
Technoflex's flagship product, the flexible hose, is widely used in various applications such as piping for city gas and LP gas, water supply and drainage pipes in water purification plants and dams, as well as in general construction and fire protection piping, due to its excellent heat and pressure resistance and minimal issues arising from aging. Additionally, the bellows-type expansion joint is utilized in large-scale industrial facilities such as petrochemicals, power generation, LNG, and steelmaking, and has a significant track record of deliveries. The manufacturing bases include five domestic locations that have obtained ISO9001 certification at all sites, as well as three overseas locations in Tianjin, Shanghai, and Vietnam. We have established a system that can broadly accommodate various fields, ranging from low-cost, readily available stock items to products requiring advanced quality control for nuclear power plants.
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