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Information
3-chōme-11-3 Takanawa, Minato City, Tokyo 108-0074, Japan
+81 3-6721-6991
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Overview
- Summary
- Ihara Science is a 'Scientific Manufacturer' dedicated to advancing fluid control technology. The company specializes in bite-type tube fittings and various high-pressure fittings for pressure equipment. It is a total solution provider encompassing the design, production, and assembly of piping systems, fittings, and valves. The company possesses a product portfolio applicable across hydraulic and diverse industrial equipment.Ihara Science is a 'Scientific Manufacturer' dedicated to advancing fluid control technology. The company specializes in bite-type tube fittings and various high-pressure fittings for pressure equipment. It is a total solution provider encompassing the design, production, and assembly of piping systems, fittings, and valves. The company possesses a product portfolio applicable across hydraulic and diverse industrial equipment.
- Key Products/Technologies
- Ihara Science offers a wide range of fittings, including bite-type tube fittings (for steel and copper tubes), double ferrule type tube fittings (BI-Lok), swivel joints, automatic weld fittings (AWF), and metal gasket seal fittings (VTF). Its valve products include metal diaphragm valves, bellows valves, check valves, ball valves, and stop valves. The company's hose and tubing solutions feature flexible metal hoses, stainless steel tubes, and precision carbon steel/galvanized steel tubes. It possesses technology for installation tools and production facilities such as clean tube cutters, flare machines, and NC super vendors. The company's 'optimum piping system' concept provides customized solutions to meet specific customer needs. Key technological features include leak-free connections, high leak tightness, superior durability, and dead space-free designs for high-purity fluids. The CE Series Bite Type Tube Fittings demonstrate significantly improved vibration resistance and leak prevention capabilities. 'Best-Fit' solutions like I-fit offer weldless installation and reduced components, ensuring high-pressure reliability.Ihara Science offers a wide range of fittings, including bite-type tube fittings (for steel and copper tubes), double ferrule type tube fittings (BI-Lok), swivel joints, automatic weld fittings (AWF), and metal gasket seal fittings (VTF). Its valve products include metal diaphragm valves, bellows valves, check valves, ball valves, and stop valves. The company's hose and tubing solutions feature flexible metal hoses, stainless steel tubes, and precision carbon steel/galvanized steel tubes. It possesses technology for installation tools and production facilities such as clean tube cutters, flare machines, and NC super vendors. The company's 'optimum piping system' concept provides customized solutions to meet specific customer needs. Key technological features include leak-free connections, high leak tightness, superior durability, and dead space-free designs for high-purity fluids. The CE Series Bite Type Tube Fittings demonstrate significantly improved vibration resistance and leak prevention capabilities. 'Best-Fit' solutions like I-fit offer weldless installation and reduced components, ensuring high-pressure reliability.
- Among its key product lines is the BI-Lok double ferrule type tube fitting, which simultaneously performs pipe retention and fluid sealing through its two ferrules. Metal diaphragm valves utilize a metallic diaphragm for external sealing, achieving high leak tightness, durability, and a dead-space-free design, suitable for high-purity fluids. Bellows valves employ metallic bellows for external sealing, ensuring no leakage from the stem area, ideal for applications requiring high leak prevention, such as toxic gases. Stop valves feature a 316 stainless steel body, capable of handling pressures up to 24.5 MPa and a wide temperature range from -196°C to 230°C. Ball valves can be selected based on application pressure, from vacuum to 30MPa, and the specific fluids handled, with special cleaning specifications and non-standard connections available upon request.Among its key product lines is the BI-Lok double ferrule type tube fitting, which simultaneously performs pipe retention and fluid sealing through its two ferrules. Metal diaphragm valves utilize a metallic diaphragm for external sealing, achieving high leak tightness, durability, and a dead-space-free design, suitable for high-purity fluids. Bellows valves employ metallic bellows for external sealing, ensuring no leakage from the stem area, ideal for applications requiring high leak prevention, such as toxic gases. Stop valves feature a 316 stainless steel body, capable of handling pressures up to 24.5 MPa and a wide temperature range from -196°C to 230°C. Ball valves can be selected based on application pressure, from vacuum to 30MPa, and the specific fluids handled, with special cleaning specifications and non-standard connections available upon request.
- Core Advantages
- Ihara Science has built expertise in high-quality fittings, valves, and piping systems with over 80 years of experience. The company pursues technological innovation through continuous research for fluid flow improvement and its philosophy as a 'scientific manufacturer'. It possesses comprehensive 'total solution' capabilities, covering the design, production, assembly, installation, and maintenance of piping systems. High-level quality assurance is maintained through ppm-level quality control and complete traceability of assembly, testing procedures, and shipments. The company develops 'Best-Fit' products and utilizes dedicated production facilities for customized, optimized piping modules. Vertical integration in manufacturing ensures cost-effective, long-term solutions, particularly for semiconductor OEMs and integrators. Its global network of sales offices and distributors strengthens its international business capabilities.Ihara Science has built expertise in high-quality fittings, valves, and piping systems with over 80 years of experience. The company pursues technological innovation through continuous research for fluid flow improvement and its philosophy as a 'scientific manufacturer'. It possesses comprehensive 'total solution' capabilities, covering the design, production, assembly, installation, and maintenance of piping systems. High-level quality assurance is maintained through ppm-level quality control and complete traceability of assembly, testing procedures, and shipments. The company develops 'Best-Fit' products and utilizes dedicated production facilities for customized, optimized piping modules. Vertical integration in manufacturing ensures cost-effective, long-term solutions, particularly for semiconductor OEMs and integrators. Its global network of sales offices and distributors strengthens its international business capabilities.
- The company maintains a customer-centric management philosophy, continuously striving to provide piping systems that optimally meet customer expectations. It offers solutions that support cost reduction (material and labor costs), inventory reduction, and sales expansion through piping optimization. The introduction of custom fittings and long fittings, which integrate multiple components, contributes to process simplification and quality improvement. Consistent high product quality is ensured through inspections at each production stage, adhering to applicable JIS and internal company inspection standards.The company maintains a customer-centric management philosophy, continuously striving to provide piping systems that optimally meet customer expectations. It offers solutions that support cost reduction (material and labor costs), inventory reduction, and sales expansion through piping optimization. The introduction of custom fittings and long fittings, which integrate multiple components, contributes to process simplification and quality improvement. Consistent high product quality is ensured through inspections at each production stage, adhering to applicable JIS and internal company inspection standards.
- Target Industries
- A key supplier of ultra-high purity (UHP) fittings, valves, and related products for the semiconductor and liquid crystal manufacturing equipment industries. It provides high-pressure fittings and tube fittings for hydraulic applications, construction machinery, and machine tools. The company supplies piping solutions to power generation industries like nuclear power plants, LNG, chemical plants, and steel mills. Its products are applied in railway vehicles, including subway, surface rail, and tram sectors, as well as industries utilizing metal piping systems. Ihara Science proposes hygienic and easily maintainable piping systems for the food and medical markets, including pharmaceutical production equipment. It supplies high-precision piping components to the analysis and measurement instrument industries. Products are also provided to various industrial facilities such as cleanrooms, filling equipment, ozone generators, and packaging machinery. The company also serves the oil and gas industry and shipbuilding sector with critical components.A key supplier of ultra-high purity (UHP) fittings, valves, and related products for the semiconductor and liquid crystal manufacturing equipment industries. It provides high-pressure fittings and tube fittings for hydraulic applications, construction machinery, and machine tools. The company supplies piping solutions to power generation industries like nuclear power plants, LNG, chemical plants, and steel mills. Its products are applied in railway vehicles, including subway, surface rail, and tram sectors, as well as industries utilizing metal piping systems. Ihara Science proposes hygienic and easily maintainable piping systems for the food and medical markets, including pharmaceutical production equipment. It supplies high-precision piping components to the analysis and measurement instrument industries. Products are also provided to various industrial facilities such as cleanrooms, filling equipment, ozone generators, and packaging machinery. The company also serves the oil and gas industry and shipbuilding sector with critical components.
- Major Markets
- Japan, Taiwan, China, South Korea, Singapore, Malaysia, Thailand, Indonesia, Vietnam, PhilippinesJapan, Taiwan, China, South Korea, Singapore, Malaysia, Thailand, Indonesia, Vietnam, Philippines
- UK, Ireland, Germany, Netherlands, Other European countriesUK, Ireland, Germany, Netherlands, Other European countries
- USA, MexicoUSA, Mexico
- AustraliaAustralia
- Certifications/Patents
- The company holds ISO 9001 quality management system certification (DNV-GL certification). It possesses ISO 14001 environmental management system certification (DNV-GL certification). Its product lines have obtained CE Valve Ratings for the European market (TUV Rheinland certification). The company holds product type approvals from various international classification societies, including Nippon Kaiji Kyokai (ClassNK), American Bureau of Shipping (ABS), Lloyd's Register of Shipping (LR), Bureau Veritas, TUV, and Det Norske Veritas Germanischer Lloyd (DNV GL). Its manufacturing facilities have received High-Pressure Gas Facility Manufacturing Plant approval. The CE Series Bite Type Tube Fittings comply with the Japan Machine Tool Industrial Society Standard (MAS 206-1991). The company holds a total of 109 patent families, with 57 granted patents, showcasing its technological prowess. Recent patent activities include 'Pipe fittings' (JP-7847269-B1, US-D1120243-S1) and 'Gasket and joint structure' (JP-2025139664-A). Its stainless steel products are RoHS compliant.The company holds ISO 9001 quality management system certification (DNV-GL certification). It possesses ISO 14001 environmental management system certification (DNV-GL certification). Its product lines have obtained CE Valve Ratings for the European market (TUV Rheinland certification). The company holds product type approvals from various international classification societies, including Nippon Kaiji Kyokai (ClassNK), American Bureau of Shipping (ABS), Lloyd's Register of Shipping (LR), Bureau Veritas, TUV, and Det Norske Veritas Germanischer Lloyd (DNV GL). Its manufacturing facilities have received High-Pressure Gas Facility Manufacturing Plant approval. The CE Series Bite Type Tube Fittings comply with the Japan Machine Tool Industrial Society Standard (MAS 206-1991). The company holds a total of 109 patent families, with 57 granted patents, showcasing its technological prowess. Recent patent activities include 'Pipe fittings' (JP-7847269-B1, US-D1120243-S1) and 'Gasket and joint structure' (JP-2025139664-A). Its stainless steel products are RoHS compliant.
- Ihara Science operates ISO 9001 and ISO 14001 certified plants, with DNV-GL certification covering both its CP Division (Izu Nagaoka Factory, Nakaizu Factory, Yamagata Business Office) and GP Division (Tsukechi No.1 Factory, Tsukechi No.2 Factory). Notably, the CP Division Nakaizu Factory is approved as a High-Pressure Gas Facility Manufacturing Plant. These numerous international classification society approvals underscore the reliability of its products in marine and industrial plant sectors.Ihara Science operates ISO 9001 and ISO 14001 certified plants, with DNV-GL certification covering both its CP Division (Izu Nagaoka Factory, Nakaizu Factory, Yamagata Business Office) and GP Division (Tsukechi No.1 Factory, Tsukechi No.2 Factory). Notably, the CP Division Nakaizu Factory is approved as a High-Pressure Gas Facility Manufacturing Plant. These numerous international classification society approvals underscore the reliability of its products in marine and industrial plant sectors.
Introduction
Location
3-chōme-11-3 Takanawa, Minato City, Tokyo 108-0074, Japan
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