三井金属エンジニアリング List of Products and Services

We provide various information such as construction examples, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【Contents of this issue】 ■ Aramid-reinforced polyethylene pipes, freeze prevention aramid-reinforced polyethylene pipes - SuMPO EPD (Environmental Product Declaration) registration published! ■ Construction site report - Temporary piping installation with suspended piping ■ Exhibition information ■ Announcement of renewal for comprehensive catalog and price list * For more details, please click on the special site or PDF download.

• Piping and insulation
• Fittings

We publish various information such as construction examples, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【CONTENTS of this issue】 ■ Installation of the Miyajima underwater water supply pipe ■ Marine application polyethylene pipes ■ Exhibition information * For details, please click on the special site or PDF download.

• Piping and insulation
• Fittings

This is a composite structure polyethylene pipe that is excellent in corrosion resistance, pressure resistance, flexibility, long length, and seismic resistance, designed for transporting seawater for applications such as seawater intake, seabed discharge, and underwater water supply to remote islands under seabed rolling or burial conditions. The installation work underwater can minimize the environmental impact on the marine environment by using an automatic burial machine. ◆POINT◆ - The inner surface and outermost layer of the pipe are made of polyethylene material, which is highly resistant to corrosion and salt damage, and has strong mechanical strength due to metal material reinforcement! - Since it can be manufactured and delivered in long lengths, joint connections on the seabed are unnecessary, allowing for reliable installation with short construction periods! - Compared to steel pipes, installation is significantly faster, and even when joints are necessary, a reliable fusion system provides peace of mind! ◆Exhibition Information◆ Exhibiting at 'OffshoreTechJapan2024 Marine Industry Technology Exhibition' held from January 29 (Wed) to January 31 (Fri), 2025! Tokyo Big Sight, East Hall 1, Booth No. 1D-19

• Airport facilities

This is a corrosion-resistant, pressure-resistant, flexible, long-length, and earthquake-resistant composite polyethylene pipe designed for transporting seawater for applications such as underwater water supply to remote islands, seawater intake, and underwater discharge under seabed rolling or burial conditions. Using an automatic burial machine for underwater installation minimizes the environmental impact on the marine ecosystem. ◆POINT◆ - The inner surface and outer layer of the pipe are made of polyethylene, which has excellent corrosion resistance, is strong against salt damage, and has high mechanical strength due to metal material reinforcement! - Since it can be manufactured and transported on-site in long lengths, joint connections on the seabed are unnecessary, allowing for reliable installation in a short construction period! - Compared to steel pipes, installation is significantly faster, and even when joints are required, a reliable fusion system provides peace of mind! In 2024, we carried out the replacement of the underwater water supply and drainage pipe from Atami City to Hatsushima. The installation was completed with a single piece of 6,745 meters without joints! The installation depth (maximum) of 103 meters is one of the deepest in Japan for underwater water supply and drainage pipes. ◆Exhibition Information◆ We will exhibit at 'OffshoreTechJapan2024 Marine Industry Technology Exhibition' held from January 29 (Wednesday) to January 31 (Friday), 2025! Tokyo Big Sight, East Hall 1, Booth No. 1D-19.

• Airport facilities

We publish various information such as construction examples, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【CONTENTS of this issue】 ■ Construction achievements for bridge attachments, etc. - Comparison before and after construction - ■ Exhibition information ■ Announcement of leaflets by application * For details, please click on the special site or PDF download.

• others

We publish various information such as construction examples, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【CONTENTS of this issue】 ■MESCO's initiatives for SDGs (Part 2) ～Environmentally friendly MESCO pipes～ ■Exhibition information ■Announcement of leaflets by application *For details, please click on the special site or PDF download.

• others

We publish various information such as case studies, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【CONTENTS of this issue】 ■ Registration and public announcement of MESCO's high-density polyethylene "WED・WE" carbon footprint declaration! ■ Exhibition participation information ■ Announcement of proposals by application *For details, please click on the special site or PDF download.

• others

We publish various information such as construction examples, product introductions, exhibition announcements, and news about our company. Each issue features a different theme, so please take a look and enjoy. 【CONTENTS of this issue】 ■ Installation of the underwater water supply pipe at Hatsushima ■ Information session held at Hatsushima Elementary and Junior High School ■ Marine-use polyethylene pipes ■ Announcement of a new leaflet * For more details, please click on the special site or download the PDF.

• others

This catalog introduces various examples of construction for different applications, showcasing a diverse range of pipes and fittings of various shapes. It also covers methods for connecting pipes and fittings, including fusion connections and mechanical connections. You can also check the tool rental service and methods for transporting and storing pipes, which can assist in product selection and construction method considerations. 【Featured Products】 Pipe Products ■WED ■WE ■WEETDA/WEETA ■GNGWDA/GNGWA ■WNG/WEETS ■PXE ■GNGAR ■GNGRT Fitting Products ■Various Fitting Products ■EF Fitting Connection ■Automatic Butt Fusion ■Connection Short Pipe Quick Reference ■Discharge Manhole Connection Diagram ■Mechanical Fittings Others ■Tool Rental ■Properties of Polyethylene ■From Delivery to Construction *For more details, please refer to the PDF document or feel free to contact us.

• Piping materials (plastic pipes)

Chemical liquid refers to a general term for liquids containing chemical substances used in factories and similar settings, while chemical liquid piping refers to the piping used to transport these liquids. MESCO pipes excel in properties such as chemical resistance, heat resistance, thermal insulation, and earthquake resistance, and have a proven track record of being adopted for chemical liquid piping. 〇 MESCO pipes suitable for chemical liquid piping For ambient temperature fluids: WE(D) / WEET(D)A / GNGW(D)A (maximum operating temperature: 40℃) For thermal fluids: PXE / GNGAR / GNGRT (maximum operating temperature PXE / GNGAR: 95℃ GNGRT: 80℃) 〇 Features - Excellent chemical resistance allows for use with various chemical liquids (the chemical resistance of MESCO pipes is detailed in the polyethylene pipe brochure for chemical liquids). - Also exhibits excellent wear resistance, making it suitable for slurry transport. - GNGW(D)A / GNGAR / GNGRT have excellent thermal insulation due to their insulating layer. - Superior flexibility makes them strong against earthquakes and provides long-term reliability. - Excellent weather resistance makes them suitable for exposed piping in factory rack systems and similar applications.

• Airport facilities

Heat supply refers to the provision of hot or cold water from a heat source to facilities through pipes. MESCO's polyethylene pipes excel in properties such as heat resistance, insulation, and workability, and have been adopted for numerous heat supply-related applications, including geothermal binary power generation, biomass power generation, hot springs, district heating and cooling, and waste heat utilization. 〇 MESCO pipes suitable for heat supply-related applications PXE / GNGAR / GNGRT 〇 Features - Excellent heat resistance and chemical stability make them suitable for hot water and hot spring piping. Maximum operating temperature: PXE / GNGAR: 95°C, GNGRT: 80°C - GNGAR / GNGRT minimizes temperature drop of fluids due to their insulation layer. - Excellent corrosion resistance allows for direct burial installation. - Superior flexibility makes them resistant to earthquakes and allows for natural bending during installation. - Excellent weather resistance enables their use as exposed piping.

• Airport facilities

The Suppon MWX is a seismic joint designed specifically for pipes, manufactured by Mitsui Mining & Smelting Engineering Co., Ltd. (MESCO), that does not require disassembly. It accommodates nominal diameters from Φ40 to Φ200. The allowable water pressure can reach up to 2.0 MPa using a dedicated in-core. It can be installed without the need for flange processing or welding work when connecting bridge-mounted pipelines, and can be put into service immediately after installation with just one wrench. Additionally, it does not require special tools, allowing for installation unaffected by environmental conditions (weather or mountainous areas). - The pipe-on-slide connection allows for easy adjustment and alignment between bridge piping and buried piping. - There is a wide range of options available for connecting MESCO pipes with other types of pipes (such as PVC and cast iron). - There is a rich lineup of products ideal for installing mechanical soft-seal shut-off valves and fire hydrants that eliminate the risk of leakage from shut-off valves.

• Water and sewerage pipe fittings
• Fittings
• Piping materials (copper pipes, cast iron pipes)

GNGRT is an insulated structure pipe primarily used for hot springs and hot water. Nominal diameter: W25 to W250S Maximum operating temperature: 80°C 【Features】 ○ The conduit is made of high heat-resistant polyethylene, which has characteristics such as heat resistance and chemical stability. ○ The use of EF sockets made of high heat-resistant polyethylene eliminates concerns about corrosion, similar to traditional metal fittings. ○ It is a long pipe that has been consistently treated for insulation, installation, and corrosion prevention in the factory. ○ Pipes with a nominal diameter of 100 or less can be delivered to the site as long pipes (tab-wound). ○ The use of long pipes allows for labor-saving in construction and shortening of construction periods, leading to cost reduction. ○ The long pipes are flexible and can be extended while bending. ○ They are ideal for exposed piping in mountainous areas and for soft ground such as marshy land and landfill sites, and they also have excellent earthquake resistance. ○ The outermost layer is coated with low-density polyethylene with added carbon black, providing excellent weather resistance and corrosion resistance.

• Power generation facilities
• Water Supply Facilities
• Insulation work

MESCO pipes support "living" in every place from the ground to the seabed. Based on the trust and achievements cultivated over more than 50 years of responding to diverse needs, we strive to improve our technical capabilities in piping lines and are committed to providing "valuable products" every day. Polyethylene pipes, backed by excellent corrosion resistance and flexibility, dominate the market as piping materials for infrastructure development such as water supply, sewage, and gas in Europe and the United States, particularly in the EU region, and have recently gained significant attention in our country as well. **Features of MESCO Pipes:** - The use of long-length pipes allows for labor-saving construction and shortened construction periods, demonstrating high cost performance. - By adopting a composite structure, they can be used under high internal pressure. - Their excellent flexibility makes them earthquake-resistant and suitable for construction that follows the terrain. - With outstanding weather resistance, they are suitable for exposed piping such as bridge attachments. - We offer a range of large-diameter pipes up to 1,500 mm in diameter, making them suitable for applications such as agricultural water and rainwater drainage. With a rich lineup of MESCO pipes, we provide the optimal products that meet your needs and usage conditions, responding to your requests.

• Foundation construction
• Power generation facilities
• Water Supply Facilities

Our non-ferrous smelting technology and engineering are also utilized in the field of shielding and soundproofing materials. "Emishat" is designed for electromagnetic shielding, "Onshat" focuses on soundproofing and radiation protection related to medical applications, and "Reishat" is primarily aimed at radiation protection in the nuclear industry. We provide a comprehensive range of services related to shielding and soundproofing materials, from the supply of materials such as copper foil, zinc foil, and lead, to design, construction, and after-sales service. Applications: Radiation shielding protection for radiation detectors within nuclear power plant buildings [lead shielding for gas samplers / lead blocks for dust samplers] and long-term storage containers for high-level radioactive waste [lead shielding drums]. Electron beam irradiation processing equipment. X-ray non-destructive testing equipment. Electron beam radiation rooms. Various research facilities. X-ray and radiation protection related to medical applications. Industrial lead panels. Soundproofing in various facilities.

• Pipeline Construction
• Non-destructive testing

【Usage Details】 Agriculture / Agricultural Water / Agricultural Village Drainage 【Pipes Available for This Use】 WED / WE / WEETDA / WEETA / WEETM / GNGWDA / GNGWA A wealth of knowledge and experience accumulated through numerous special projects. We support the lifelines of your town with our "comprehensive proposal capability" that covers everything from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Detailed Uses】 Potable Water / Simple Water / Reclaimed Water / Wastewater / Drainage / Sewage / Sludge 【Pipes Available for This Use】 WED / WE / WEETDA / WEETA / WEETM / GNGWDA / GNGWA / PXE A wealth of knowledge and experience accumulated through numerous special projects. We support the lifelines of your city with our "comprehensive proposal capability" that covers everything from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Details of Use】 Tap Water / Simple Water / Medium Water / Wastewater / Drainage / Sewage / Sludge 【Pipes Available for This Use】 WED / WE / WEETDA / WEETA / WEETM / GNGWDA / GNGWA / PXE A wealth of knowledge and experience accumulated through numerous special projects. We support the lifelines of your city with our "comprehensive proposal capability" that covers everything from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Details of Use】 Steam / Chemical solution / Factory water / Excess waste heat / Hot water / Cold water / Chilled water 【Pipes Available for This Use】 WED / WE / WEETDA / WEETA / WEETM / GNGWDA / GNGWA / PXE / GNGAR / HNG A wealth of knowledge and experience accumulated through numerous special projects. We support the lifelines of your town with our "comprehensive proposal capability" that covers everything from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Usage Details】 Hot water supply / Hot spring / Waste heat utilization 【Pipes available for this usage】 PXE / GNGAR / HNG A wealth of knowledge and experience accumulated through numerous special construction projects. We support the lifelines of your community with our "comprehensive proposal capability" that handles everything from planning to construction!

• Power generation facilities
• Water Supply Facilities
• Insulation work

【Usage Details】 Small Hydropower / Geothermal / Ground Heat / Wood Biomass 【Pipes Available for This Usage】 WED / WE / WEETDA / WEETA / PXE / GNGAR A wealth of knowledge and experience accumulated through numerous special construction projects. We support the lifelines of your town with our "comprehensive proposal capability" that covers everything from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Details of Use】 Tunnel / Cultural Heritage / Oil Storage Base 【Pipes Available for This Use】 WEETDA/WEETA / WEETM / GNGWDA/GNGWA A wealth of knowledge and experience accumulated through numerous special construction projects. With our "comprehensive proposal capability" that covers everything from planning to construction, we support the lifelines of your city!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

【Application Details】 Underwater water supply / Seawater intake and discharge / Fish farming 【Pipes available for this application】 WED / WE / WEETDA / WEETA / WNG / WEETS A wealth of knowledge and experience accumulated through numerous special projects. We support the lifelines of your community with our "comprehensive proposal capabilities" from planning to construction!

• Fire extinguishing equipment
• Power generation facilities
• Water Supply Facilities

WED pipes are dual-layer pipes made of high-density polyethylene, available in sizes that conform to ISO standards. Nominal diameter: W40 to W350 【Features】 ○ It applies the international standard ISO4427, which originated in Europe, where the usage rate of polyethylene pipes is the highest in the world. This allows for the utilization of a wide variety of fittings. ○ Made from black high-density polyethylene with excellent weather resistance, making it suitable for exposed piping. ○ Pipes with a nominal diameter of W100 or less can be delivered in long lengths (tab-wound). ○ The delivery of long-length pipes can reduce labor and shorten construction periods, leading to cost savings in construction. ○ Polyethylene pipes are flexible and have excellent earthquake resistance.

• Power generation facilities
• Water Supply Facilities

The WE pipe is a single-layer pipe made of high-density polyethylene, available in sizes compliant with ISO standards. Nominal diameter: W150 to W1500 【Features】 ○ It has achieved good results in the JWWA K-14-2017 chlorine water resistance test. ○ It applies the international standard ISO4427, which originated in Europe, where the penetration rate of polyethylene pipes is the highest in the world. This allows for the use of a wide variety of fittings. ○ Made from black high-density polyethylene with excellent weather resistance, making it suitable for exposed piping. ○ The delivery of long pipes enables labor-saving in construction and shortens construction periods, leading to cost reductions. ○ Particularly in the field of large-diameter piping, our WE not only provides product supply but also has extensive experience in engineering and piping installation work. ○ Polyethylene pipes are flexible and have excellent earthquake resistance. ● Public Interest Incorporated Foundation Japan Sewage Works New Technology Organization Construction Technology Review Certificate Target pipe types: WE-13.6, WE-11, WEETAX-11 / Target nominal diameters: W150, W200, W250, W300

• Piping and insulation
• Power generation facilities
• Water Supply Facilities

WEETDA enhances internal pressure strength and suppresses creep by wrapping aramid fibers around high-density polyethylene double-layer pipes, creating a composite structure. Operating Pressure Nominal Diameter (Conduit dimensions follow ISO standards.) 〇WEETDA-13.6 1.0MPa W40～W100 〇WEETDAX-13.6 1.5MPa W40～W100 〇WEETDAY-11 2.0MPa Please inquire 【Features】 ○ The use of long pipes reduces labor and shortens construction time, allowing for cost savings. ○ Excellent flexibility allows for bending while extending the pipe. ○ The outer layer is coated with low-density polyethylene containing carbon black, providing excellent weather resistance and corrosion resistance. ○ By using fittings of the same material for EF fusion and automatic butt fusion, it creates a highly reliable pipeline with a monolithic structure.

• Foundation construction
• Power generation facilities
• Water Supply Facilities

By wrapping aramid fibers around high-density polyethylene conduits and creating a composite structure, we enhance internal pressure strength and suppress creep. Operating Pressure Nominal Diameter (Conduit dimensions conform to ISO standards) 〇WEETA-13.6　　1.0MPa　　 W150S～W600 〇WEETAX-13.6　 1.5MPa　　 W150S～W400 〇WEETAY-11　　 2.0MPa　　 Please inquire 【Features】 ○ The delivery of long pipes enables labor-saving construction and shortens construction periods, leading to cost reductions. ○ Excellent flexibility allows for extension while bending. ○ The outer layer is coated with low-density polyethylene with carbon black additives, providing excellent weather resistance and corrosion resistance. ○ By using joints of the same material with EF fusion and automatic butt fusion, a reliable pipeline with an integrated structure is achieved. ● Certification from the Japan Fire Equipment Safety Center for fire extinguishing equipment 　Certification Number PL-022 　Applicable Pipe Types: WEETA-13.6 / Applicable Nominal Diameters: W75, W100, W150, W150S ◎ For nominal diameters below W100, please refer to the WEETDA page.

• Fire extinguishing equipment
• Railway Construction

GNGWDA is increasingly being adopted for bridge attachments and suspended piping due to its unique characteristics of lightweight, flexibility, and earthquake resistance that are not found in other types of pipes. Nominal diameter: W40 to W100 (The conduit dimensions conform to ISO standards.) 【Features】 ○ The composite pipe structure of polyethylene and aramid fibers provides high internal pressure strength, and the corrugated steel pipe protects against external pressure. ○ The rigid polyurethane insulation layer prevents freezing of fluids inside the conduit. ○ Pipes with a nominal diameter of W100 or less can be delivered to the site as long pipes (tab-wound). ○ The use of long pipes can reduce labor and shorten construction time, leading to cost savings. ○ The long pipes are flexible and can be extended while bending. ○ They are ideal for soft ground such as marshy areas and reclaimed land, and they also excel in earthquake resistance. ○ The outermost layer is coated with low-density polyethylene containing carbon black, which offers excellent weather resistance and corrosion resistance, making it suitable for exposed pipes. ○ EF fusion and automatic butt fusion create a reliable pipeline with a unified structure. ○ It has sufficient weather resistance and internal and external pressure strength for use as bridge attachment pipes.

• Water and sewerage pipe fittings

GNGWA is increasingly being adopted for bridge attachments and suspended piping due to its unique characteristics of lightweight, flexibility, and earthquake resistance that are not found in other types of pipes. Nominal diameter: 150S to 250S (The conduit dimensions adhere to ISO standards.) 【Features】 ○ The composite pipe structure of polyethylene and aramid fibers provides high internal pressure strength, and the corrugated steel pipe installation protects against external pressure. ○ The rigid polyurethane insulation layer prevents the freezing of fluids inside the conduit. ○ Pipes with a nominal diameter of W100 or less can be delivered to the site as long-length pipes (tab-wound). ○ The use of long-length pipes allows for labor-saving in construction and shortens the construction period, leading to cost reductions. ○ They are long and highly flexible, allowing for bending while extending the pipe. ○ They are ideal for soft ground such as marshy areas and reclaimed land, and they also excel in earthquake resistance. ○ The outermost layer is coated with low-density polyethylene with added carbon black, providing excellent weather resistance and corrosion resistance, making it suitable for exposed pipes. ○ EF fusion and automatic butt fusion create a reliable pipeline with a unified structure. ○ It has sufficient weather resistance and internal/external pressure strength for use as bridge attachment pipes.

• Water and sewerage pipe fittings

The polyethylene pipe, which has improved internal pressure strength due to steel belt reinforcement, is further reinforced with corrugated steel pipes, maximizing both internal and external pressure strength. Nominal diameter: 30mm to 150mm Common operating pressure: 2.0MPa, 4.0MPa, 6.0MPa 【Features】 ○ It has a proven track record in high-pressure mountain piping, allowing for reduced construction time compared to conventional steel and cast iron pipes, thus enabling cost savings. ○ In mountain piping, it can be laid along natural terrain, taking advantage of its flexibility. ○ The outermost layer is coated with low-density polyethylene containing carbon black, providing excellent weather resistance and corrosion resistance. ○ It is a long, flexible pipeline with high seismic resistance.

• Railway Construction

GNGAR is an insulated pipe structure primarily used for hot springs and hot water. Nominal diameter: 25–250 Maximum operating temperature: 95℃ 【Features】 ○ The conduit is made of cross-linked polyethylene, which has characteristics such as heat resistance and chemical stability. ○ The use of EF sockets made of cross-linked polyethylene eliminates concerns about corrosion, similar to traditional metal fittings. ○ It is a long pipe that has undergone consistent processing for insulation, installation, and corrosion protection in the factory. ○ Pipes with a nominal diameter of 100 or less can be delivered to the site as long pipes (tab-wound). ○ The delivery of long pipes allows for labor-saving in construction and shortening of construction periods, which can reduce construction costs. ○ The long pipes are flexible and can be extended while bending. ○ They are ideal for exposed piping in mountainous areas and for soft ground such as marshes and reclaimed land, and they also excel in seismic resistance. ○ The outer layer is coated with low-density polyethylene containing carbon black, providing excellent weather resistance and corrosion resistance.

• Power generation facilities
• Water Supply Facilities
• Insulation work

WNG is a composite polyethylene pipe that is excellent in corrosion resistance, pressure resistance, flexibility, long length, and seismic resistance, designed for transporting seawater and wastewater under conditions such as underwater water supply to remote islands, seawater intake, and underwater discharge. The installation work underwater can minimize the environmental impact on the marine environment by using an automatic burial machine. Nominal diameter: 40 to 250 【Features】 - The inner surface of the pipe and the outermost layer are made of polyethylene material, which has excellent corrosion resistance, is strong against salt damage, and has high mechanical strength due to metal material reinforcement! - Since it can be manufactured and transported on-site in long lengths, joint connections on the seabed are unnecessary, allowing for reliable installation in a short construction period! - Compared to steel pipes, installation is significantly faster, and even when joints are needed, it is safer with a reliable fusion system! - By utilizing an automatic burial machine equipped with an underwater water jet pump, installation at depths of around 100 meters is possible. - Polyethylene pipes have low friction resistance and minimal scale adhesion, so there is no need for time-based additions. In 2024, we carried out the replacement work for the underwater water supply and drainage pipe from Atami City to Hatsushima. The installation was completed with a single piece of 6,745 meters without joints! The installation at a maximum depth of 103 meters is one of the deepest for underwater water supply and drainage pipes in Japan.

• Airport facilities

WEETS is a composite structure polyethylene pipe that is excellent in corrosion resistance, pressure resistance, flexibility, long length, and seismic resistance, designed for transporting seawater for underwater water supply to remote islands, seawater intake, and underwater discharge under seabed rolling or burial conditions. The installation work underwater can minimize the environmental impact on the underwater environment by using an automatic burial machine. Nominal diameter: 40–400 *Sizes over 400 are available upon consultation. 【Features】 〇 The inner surface and outermost layer of the pipe are made of polyethylene material, which is highly resistant to corrosion and salt damage, and reinforced with metal materials for strong mechanical strength! 〇 Long-length manufacturing and on-site delivery are possible, eliminating the need for joint connections on the seabed, allowing for reliable installation in a short construction period! 〇 Installation is significantly faster compared to steel pipes, and even when joints are necessary, the reliable fusion system provides peace of mind! ○ By utilizing an automatic burial machine equipped with an underwater water jet pump, installation at depths of around 100 meters is possible. ○ Polyethylene pipes have low friction resistance and minimal scale adhesion, so no time-dependent accumulation is required.

• Airport facilities

The composite pipe enhances internal pressure strength and suppresses creep. The corrosion-resistant layer protects the polyethylene conduit from external damage and UV degradation, maintaining the pipe's performance over a long period. It has been included in NEXCO's common specifications (as of July 2019). Nominal diameter: W75 to W350 【Features】 ● Excellent characteristics of polyethylene pipes 　・Lightweight and flexible. 　・Excellent seismic resistance. 　・Low friction, allowing for downsizing of pipe dimensions. (Note: Hydraulic calculations need to be verified.) 　・Corrosion-resistant. ○ Utilizing the above characteristics of polyethylene pipes, we have developed an advanced composite polyethylene pipe reinforced with aramid fibers using our unique technology, which has been registered in NETIS. NEXCO Common Specifications for Mechanical Equipment Construction "Fiber-Reinforced Polyethylene Pipe (FRPE) Target Product" ○ It has already been adopted for the new installation and renewal of emergency water supply mains in tunnels, including the Shin-Tomei Expressway and other locations. It is also used as the water supply main for fire protection equipment in the Central Circular Shinjuku Line Tunnel.

• Fire extinguishing equipment
• Bridge Construction
• Dam construction

PXE is a pipe made of cross-linked polyethylene with excellent chemical properties. Nominal diameter: 25 to 250 Maximum operating temperature: 95°C 【Features】 ○ Pipes with a nominal diameter of W100 or less can be delivered to the site as long-length pipes (tab-wound). ○ The use of long-length pipes can reduce labor and shorten construction time, leading to cost savings. ○ They are flexible and can be extended while being bent. ○ Ideal for soft ground such as marshy areas and landfill sites, and they also have excellent seismic resistance. ○ They have excellent corrosion and chemical resistance, and the addition of carbon black enhances their weather resistance, making them suitable for exposed piping. ○ They use cross-linked polyethylene EF sockets for connection joints, eliminating concerns about corrosion. ○ Their excellent wear resistance makes them suitable for transporting soil and slurry.

• Power generation facilities
• Water Supply Facilities

Acquisition of certification for a fire-resistant 1-hour structure protective wall! MESCO has obtained certification for a fire-resistant 1-hour structure protective wall using "reinforced gypsum board 12.5mm" by utilizing our uniquely developed specialized auxiliary materials, "fire-resistant felt" and "fire-resistant sheet"! In addition, we offer a wide range of products including lead sheets, lead tapes, lead composite boards (such as gypsum board and plywood), and fittings (doors and windows). We have a wealth of achievements and a diverse product lineup that meets various needs. We aim to create materials that consider the environment and meet the demands of the times. 【Featured Products】 ○ Onshat fire-resistant partition wall ○ [Emishyat] electromagnetic shielding ○ [Onshyat] soundproofing and vibration control / medical-related and radiation protection ○ [Reishyat] nuclear-related and radiation protection ○ Other related products If you would like a comprehensive catalog, please contact us by entering "Request for comprehensive catalog" below.

• Gypsum board and moldings
• Subsidiary materials
• Pipeline Construction

We have numerous delivery records as radiation shielding materials for hospitals and medical facilities! Lead's shielding performance is effective against gamma rays, beta rays, and X-rays. It has high absorption performance, allowing for thinner shielding materials, and can be easily processed on-site with tools like cutters and saws, making it highly workable. We also offer lead sheets, lead tapes, lead composite boards (such as gypsum boards and plywood), and protective room fixtures (doors and windows). With a wide variety of products available, they can be extensively used for the floors, walls, and ceilings of protective facilities.

• Gypsum board and moldings
• Gypsum board and moldings
• Entrance/Exterior Doors

We have applied a non-chromate treatment to hot-dip galvanized steel sheets and independently developed a coating that enhances adhesion to the zinc plating. We have conducted various tests, including performance tests of the coating film and long-term corrosion resistance tests (atmospheric exposure tests and salt spray tests), to confirm its corrosion resistance. Our corrosion-resistant drum cans, developed as storage containers for low-level radioactive waste, have been used at various nuclear power plants for 30 years since 1982, with approximately 50,000 units delivered. We also offer shielding drum cans with radiation shielding performance (lead and concrete lining). For more details, please contact us or download the catalog.

• others

With the development of the nuclear power industry and the advancement and spread of radiation technology in the medical field, there is a strong demand for human protection against radiation and measures against environmental pollution. On the other hand, noise troubles are also on the rise, increasing the importance of soundproofing to create a quiet living environment. Lead has a high density and possesses both sound attenuation and radiation absorption properties. Onshat is a high-purity lead sheet that maximizes these excellent characteristics of lead. We also offer lead sheets, lead tape, and lead composite boards (such as gypsum board and plywood). 【Features】 ○ Wide width and long length ○ Excellent durability, maintenance-free material with a semi-permanent lifespan ○ Achieves high-performance soundproofing and radiation protection at a low cost ○ Can be processed with very common tools (such as cutters and saws), including composite boards. Installation can be done using standard construction methods.

• Soundproofing Sheet

By using our independently developed specialized auxiliary materials "fireproof felt" and "fireproof sheet," we have obtained certification for a fire-resistant wall structure with a one-hour fire rating using "reinforced gypsum board 12.5mm," making it the first in the industry. It is ideal for fire-resistant walls in hospitals, such as X-ray rooms and CT rooms, where X-ray protection is necessary. For more details about the product, please feel free to contact us.

• Gypsum board and moldings
• Subsidiary materials
• stone

This is a product formed by adding 10% boron trioxide to high-density polyethylene. Applications: Medical facilities and nuclear power plants where neutron radiation is generated, etc. ■ Linear accelerator (radiation therapy) treatment rooms ■ BNCT (Boron Neutron Capture Therapy) facilities Shape: Flat plate, Thickness: up to 50 mm, Width: up to 500 mm, Length: up to 2,500 mm *Products with 20% addition are also available. We also accept requests for specific shapes and other hole processing. For more details, please refer to the catalog or feel free to contact us.

• Harbor Construction
• Metalwork

Electrolytic copper foil flexible conductors are products made by stacking numerous thin copper foils that have been continuously deposited in an electrolyte solution. Compared to conventional rolled copper plate laminates and flat braided copper wire flexible conductors, their repeated strength, durability, heat resistance, and seismic performance have significantly improved. Flexible conductors for ultra-high current and high-temperature applications can also be designed compactly, greatly speeding up the installation of electrical equipment and making safety management easier. There are two types: one processed by crimping with copper plates and the other solidified with solder. The conductors can be attached in various shapes regardless of size, and they are produced from standard types to those tailored to specific usage conditions. Additionally, the width of the original foil is 1 meter, with no length restrictions, allowing for maximum lengths exceeding 2 meters, and products capable of handling 10,000 amperes individually can also be manufactured. Applications: - Connection between conductors - Connection between equipment and conductors - Power supply devices for electrolytic cells and electroplating - Moving parts inside and outside of equipment

• others

With the spread and advancement of electronic technology, there is an increasing tendency for electromagnetic interference (EMI/RFI) to rise in various fields. The solution to these troubles is radio wave shielding using Emishat. Emishat effectively blocks the intrusion of electromagnetic waves into indoor environments and the release of indoor-generated electromagnetic waves into the external environment, thanks to its excellent shielding performance and functionality, which accommodates a wide range of frequencies. It creates an electromagnetically harmonious human space where electronic devices and electrical equipment do not interfere with each other. 【Features】 - High conductivity - Ultra-thin and ultra-light, making handling, processing, and installation easy, thus reducing labor and shortening construction time - Excellent electromagnetic shielding effect across a wide frequency range - Wide width and long length - No risk of corrosion or degradation of conductivity - Maintenance-free - Achieves high-performance electromagnetic shielding

• others

The construction and operation of nuclear-related plants require advanced technology and materials for radiation protection. Rayshut is a lead shielding material developed to meet these demands. We offer a wide range of products, including lead sheet mats, lead wool, lead pellets, lead blocks, and lead processed products.

• others

The non-destructive testing room and the electron beam irradiation processing panel use radiation, so lead is used as a protective material. Our company provides total support from design to manufacturing and installation. We accept designs and construction tailored to the site, so please feel free to contact us! Applications: ○ Non-destructive testing room ○ Electromagnetic irradiation processing panel ○ Various training facilities

• Non-destructive testing
• others