List of Civil Engineering Materials products
- classification：Civil Engineering Materials
136～180 item / All 9581 items
![[Tsunami Countermeasure Products] T...](https://image.www.ipros.com/public/product/image/6d0/2000808754/IPROS28697711494608440559.jpeg?w=280&h=280){kind=small}
You won't have time to evacuate from the earthquake to the tsunami's arrival! This is a "tsunami shelter" that dramatically increases survival rates against the tsunami approaching at a tremendous spe...
- Basement unit/disaster prevention shelter
![[Disaster Measures] A must-see for ...](https://image.www.ipros.com/public/product/image/595/2000904728/IPROS15684834320275806124.JPG?w=280&h=280){kind=small}
Since the construction-generated soil will be recycled on-site, the disposal costs for leftover soil and the costs for new purchases will be significantly reduced. 【Disaster Prevention】
- Special Construction Method
Protecting slopes from the threat of deer damage! Introducing our countermeasure system.
- Pest and insect control products
- Slope protection material
- Net fence
In recent years, weed control sheets have been introduced in a wide range of sectors. Please take a look at the examples adopted outside of roads.
- Civil Engineering Sheet
Excellent durability with a special three-layer structure! Chain stitch structure weed control sheet.
- Civil Engineering Sheet
A simple water supply station that everyone can use! Made of safe and secure stainless steel.
- Piping materials (copper pipes, cast iron pipes)
Assembly in 10 minutes! Quickly secure the lifeline in your town! Emergency water supply tank - Rescue Tank.
Assembly in just 10 minutes! Enables quick distribution of emergency water during disasters. The rescue tank is made of stainless steel, making it hygienic and easy to manage after use. It can be transported by a 1-ton truck or a van and can be moved by two adults (before filling with water). It can be used as a water supply point and with water supply vehicles. Additionally, by attaching the rescue tap (water supply faucet) to the assembled body, it allows for supply from one water outlet to four faucets (up to eight faucets maximum). Assembly takes only 10 minutes! Quickly secures the lifelines of the city. 【Features】 ■ Made of stainless steel ■ Easy assembly ■ Easy connection ■ Transportable by 1-ton truck or van *For more details, please refer to the PDF or feel free to contact us.
A bridge of evolution that connects to the future! Meiwa Kogyo's water pipe bridge is a completely custom-made prefabricated system water pipe bridge!
- Piping materials (copper pipes, cast iron pipes)
Examine. Wash. Utilize. Create. ———— Meiwa Pipeline Renewal System M-PLUS ————
We offer a comprehensive system that covers everything from on-site surveys to proposals, design, manufacturing, insulation, painting, construction, and aftercare, providing a wide variety of options to meet all needs and scenarios. We manufacture products tailored to various applications, including water pipe bridges such as standalone bridges and bridge-mounted pipes, as well as coated steel pipes for water transport, pressure iron pipes, on-site piping, buried pipes, pipe-in-pipe systems, and river crossing pipes. 【Meiwa Pipeline Renewal System M-PLUS】 ■ Camera surveys (non-water pipe internal camera surveys) ■ Pipe cleaning (SCOPE method "special pipe cleaning method for water pipes" and HS method "high-speed carbonated water cleaning method") ■ Renewal methods (SDF method) ■ Rehabilitation methods (hose lining method, Paltem HL method, etc.) ■ Temporary piping (REPCS) *For more details, please refer to the external link page or feel free to contact us.
Significant reduction in cleaning and inspection efforts! Maintenance can be done without tools.
- Piping materials (copper pipes, cast iron pipes)
- Piping and insulation
The promotional video for the super-efficient construction of the Groo Joint has been updated!
We have renewed the PR video for Grojoint! In this renewal... ☑ The video conveys the construction speed even better! ☑ The features and benefits are explained more clearly! ☑ Updated to the Reiwa style. The latest version has been reborn stylishly! We encourage everyone considering reducing construction time and improving efficiency to take a look. Please take this opportunity to check out the latest construction image!☆
This is an air valve that protects stable water flow in pipes with high quality born from the pursuit of functionality and rationality!
- Piping materials (copper pipes, cast iron pipes)
■Non-freezing type utilizing the flow energy of the main pipe ■Non-freezing rapid air valve Airis Neo - High quality born from the pursuit of functionality and rationality!
Protect stable water flow in pipes with high quality born from the pursuit of functionality and rationality! The Airis Neo is a freeze-proof type that utilizes the flow energy of the main pipe and is an air valve that maintains stable water flow within the piping. Its flat and slim compact shape accommodates all installation conditions. Made of stainless steel and plastic, it excels in corrosion resistance and toughness. Additionally, the auxiliary valve that stops the flow of water within the valve adopts a new mechanism, significantly improving workability and safety during inspection and cleaning. 【Features】 ■ Compact body that does not compromise aesthetics ■ Special structure with auxiliary valve function ■ Freeze-proof structure ■ High durability ■ Excellent intake and exhaust function *For more details, please refer to the catalog or feel free to contact us.
Space-saving construction has further improved! Piping for sizes up to 80A can be done by hand.
- Water and sewerage pipe fittings
The promotional video for the super-efficient construction of the Groo Joint has been updated!
We have renewed the PR video for Grojoint! In this renewal... ☑ The video conveys the construction speed even better! ☑ The features and benefits are explained more clearly! ☑ Updated to the Reiwa style. The latest version has been reborn stylishly! We encourage everyone considering reducing construction time and improving efficiency to take a look. Please take this opportunity to check out the latest construction image!☆
Assembly in 10 minutes! Enables quick distribution of emergency water during disasters.
- Piping materials (copper pipes, cast iron pipes)
Assembly in 10 minutes! Quickly secure the lifeline in your town! Emergency water supply tank - Rescue Tank.
Assembly in just 10 minutes! Enables quick distribution of emergency water during disasters. The rescue tank is made of stainless steel, making it hygienic and easy to manage after use. It can be transported by a 1-ton truck or a van and can be moved by two adults (before filling with water). It can be used as a water supply point and with water supply vehicles. Additionally, by attaching the rescue tap (water supply faucet) to the assembled body, it allows for supply from one water outlet to four faucets (up to eight faucets maximum). Assembly takes only 10 minutes! Quickly secures the lifelines of the city. 【Features】 ■ Made of stainless steel ■ Easy assembly ■ Easy connection ■ Transportable by 1-ton truck or van *For more details, please refer to the PDF or feel free to contact us.
Adjusting pipe dimensions has never been easier. Perfect fit with high-performance expansion joints!
- Water and sewerage pipe fittings
- Piping Equipment
【New Product】Adjusting pipe dimensions made surprisingly easy. Perfect fit with high-performance expansion joints☆Meiwa Flange Grooved Joint
The Meiwa Flange Grooved Joint allows for subtle dimensional adjustments during pipe installation, enhancing construction flexibility. Made from SUS304, it is a corrosion-resistant expansion joint that requires minimal maintenance. Additionally, it uses EPDM rubber, which is strong against heat and chemicals, as a packing material. It can be used for water supply, agricultural water, and industrial water piping. Point 1: Easy fine dimensional adjustments Point 2: Improved work efficiency with easy installation Point 3: Excellent corrosion resistance with stainless steel Point 4: High durability EPDM rubber ring *For more details, please refer to the catalog or feel free to contact us.*
High-performance expandable joints developed by stainless steel processing experts!
- Piping materials (copper pipes, cast iron pipes)
◆◆◆ Developed by experts in stainless steel processing ◆◆◆ Stainless steel expandable joint MS Joint - Durability is semi-permanent compared to iron products.
High-performance expansion joints developed by experts in stainless steel processing! Meiwa Industry's MS Joint, made from SUS304 and SUS316, is a stretch joint that is resistant to corrosion and requires minimal maintenance. Its durability is nearly permanent compared to iron. The long stretch pipe smoothly absorbs the expansion and contraction of the main pipe, while its flexibility withstands bends of 3 to 5 degrees, demonstrating its effectiveness against environmental changes after installation. Additionally, CR rubber, which is strong against chemicals, is used as a packing material. It can be widely utilized in various applications, from drinking water supply to agricultural water, industrial water piping, and sewage systems. 【Features】 ■ Completely shuts out corrosion ■ High stretch performance ■ CR rubber ring suitable for sewage systems ■ Four types available to choose from based on the main pipe diameter and site conditions *For more details, please refer to the catalog or feel free to contact us.
Are you having trouble with the renewal and maintenance of existing pipelines? We offer total support as a temporary piping rental service, from construction methods to technical assistance!
- Water and sewerage pipe fittings
Because it's reusable, it's environmentally friendly! Stainless steel temporary piping system REPCS - for temporary water main construction during sewer work and changes to water pipelines!
For the renewal and maintenance of existing pipelines! Temporary piping rental service REPCS is a service that provides temporary materials needed for temporary construction of water supply pipelines, such as changes to water pipes due to sewer construction. This service, uniquely devised by our company, started in 1989 and is now adopted by over 85% of municipalities nationwide, from Hokkaido to Kyushu. We offer the "G type" for speedy installation in three steps, as well as the standard "H type." 【Features】 ■ Easy to connect ■ Built-in disconnection prevention mechanism ■ Excellent pressure resistance ■ Reliable safety ■ Smooth shipping response for peace of mind at any time *For more details, please refer to the catalog or feel free to contact us.
Introducing the dimension table, component list, and optional materials used in REPCS!
- Water and sewerage pipe fittings
Because it's reusable, it's environmentally friendly! Stainless steel temporary piping system REPCS - for temporary water main construction during sewer work and changes to water pipelines!
For the renewal and maintenance of existing pipelines! Temporary piping rental service REPCS is a service that provides temporary materials needed for temporary construction of water supply pipelines, such as changes to water pipes due to sewer construction. This service, uniquely devised by our company, started in 1989 and is now adopted by over 85% of municipalities nationwide, from Hokkaido to Kyushu. We offer the "G type" for speedy installation in three steps, as well as the standard "H type." 【Features】 ■ Easy to connect ■ Built-in disconnection prevention mechanism ■ Excellent pressure resistance ■ Reliable safety ■ Smooth shipping response for peace of mind at any time *For more details, please refer to the catalog or feel free to contact us.
Solve the freezing problem! Our high-quality air valve with a secondary valve function ensures stable water flow in the piping.
- Piping materials (copper pipes, cast iron pipes)
★Excellent intake and exhaust performance with a new structure for dust prevention★ Agricultural air valve Smart Air Valve — Ensuring smooth water flow in agricultural pipelines! —
Air valve with a new structure that features excellent intake and exhaust performance and dust prevention! The Smart Air Valve is an air valve installed in agricultural pipelines for smooth water flow and rapid filling and draining. Commonly used air valves for water supply systems face challenges in maintenance management due to operational failures caused by debris and sand contamination in agricultural water. Our agricultural air valve adopts a structure that resolves these operational failures while maintaining excellent intake and exhaust performance. 【Features】 ■ Easy maintenance to prevent debris accumulation ■ Compatible with various installation conditions such as water pipe bridges and buried sections ■ High durability *For more details, please refer to the PDF document or feel free to contact us.
Significantly reduces the effort required for cleaning and inspection compared to conventional bucket strainers!
- Piping materials (copper pipes, cast iron pipes)
The promotional video for the super-efficient construction of the Groo Joint has been updated!
We have renewed the PR video for Grojoint! In this renewal... ☑ The video conveys the construction speed even better! ☑ The features and benefits are explained more clearly! ☑ Updated to the Reiwa style. The latest version has been reborn stylishly! We encourage everyone considering reducing construction time and improving efficiency to take a look. Please take this opportunity to check out the latest construction image!☆
Solving the problem of waste in agricultural water! Adopting a structure that resolves malfunctions. Contributes to smooth water flow and rapid filling and draining with the high durability of SUS304.
- Piping materials (copper pipes, cast iron pipes)
★Excellent intake and exhaust performance with a new structure for dust prevention★ Agricultural air valve Smart Air Valve — Ensuring smooth water flow in agricultural pipelines! —
Air valve with a new structure that features excellent intake and exhaust performance and dust prevention! The Smart Air Valve is an air valve installed in agricultural pipelines for smooth water flow and rapid filling and draining. Commonly used air valves for water supply systems face challenges in maintenance management due to operational failures caused by debris and sand contamination in agricultural water. Our agricultural air valve adopts a structure that resolves these operational failures while maintaining excellent intake and exhaust performance. 【Features】 ■ Easy maintenance to prevent debris accumulation ■ Compatible with various installation conditions such as water pipe bridges and buried sections ■ High durability *For more details, please refer to the PDF document or feel free to contact us.
Eco-friendly reuse concept! We provide total support with abundant materials and a network.
- Water and sewerage pipe fittings
Because it's reusable, it's environmentally friendly! Stainless steel temporary piping system REPCS - for temporary water main construction during sewer work and changes to water pipelines!
For the renewal and maintenance of existing pipelines! Temporary piping rental service REPCS is a service that provides temporary materials needed for temporary construction of water supply pipelines, such as changes to water pipes due to sewer construction. This service, uniquely devised by our company, started in 1989 and is now adopted by over 85% of municipalities nationwide, from Hokkaido to Kyushu. We offer the "G type" for speedy installation in three steps, as well as the standard "H type." 【Features】 ■ Easy to connect ■ Built-in disconnection prevention mechanism ■ Excellent pressure resistance ■ Reliable safety ■ Smooth shipping response for peace of mind at any time *For more details, please refer to the catalog or feel free to contact us.
Would you like to rent a submersible pump along with REPCS materials? We have a wide range of pumping equipment tailored to meet your needs and piping routes.
- Piping materials (copper pipes, cast iron pipes)
Introducing the dimension table and component list for materials used in the H type of REPCS!
- Water and sewerage pipe fittings
Turn it and click, connection complete! Are you familiar with stainless steel piping that thoroughly reduces labor on site? We have a wide range of sizes from 40A to 250A.
- Piping materials (copper pipes, cast iron pipes)
- Piping and insulation
The promotional video for the super-efficient construction of the Groo Joint has been updated!
We have renewed the PR video for Grojoint! In this renewal... ☑ The video conveys the construction speed even better! ☑ The features and benefits are explained more clearly! ☑ Updated to the Reiwa style. The latest version has been reborn stylishly! We encourage everyone considering reducing construction time and improving efficiency to take a look. Please take this opportunity to check out the latest construction image!☆
More 'ease' on site. Meiwa Kogyo's agricultural air valves improve clogging issues and eliminate troubles, reducing the burden of work.
- Water and sewerage pipe fittings
- Agricultural civil engineering works
[New Product] "MCV-G" Compact Rapid Air Valve with Multi-Purpose Features
- Piping materials (copper pipes, cast iron pipes)
It is a water-stopping material made from a liquid containing polyisocyanate compounds as the main component!
- Waterproofing Agent
Separates oil contained in wastewater from food factories and commercial kitchens.
- Drainage and ventilation equipment
- Gutters and U-shaped gutters
Changing the piping layout and setting up air outlets is easy! Installation methods and practical examples are included!
- Piping materials (copper pipes, cast iron pipes)
Significantly reduce construction time with easy installation! Changing the piping layout and setting up air outlets is also simple!
- Piping materials (copper pipes, cast iron pipes)
■ Announcement of "2025 Attack Fair in Meiko"! ■ 【July 23, 2025 (Wednesday) to July 24, 2025 (Thursday)】
Nitto Kohki will hold the "2025 Attack Fair in Meiko" for two days from July 23 (Wednesday) to July 24 (Thursday), 2025, at the "Kowa Seminar Plaza 2F Training Room No. 12 (inside Kowa Sports Land)." The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities prepared. We look forward to welcoming everyone!
Creating tomorrow's 'green'
- Tree protection materials and plant boxes
- Trees
- Earthworks
Seed, fertilizer, and soil amendment materials attached! A vegetation mat with fertilizer bags attached to a hexagonal wire mesh coconut net.
- Soil improvement material
- Earthworks
- Pile and foundation work
Utilizing natural palm fibers! Biodegradable vegetation mat to protect slopes from snowfall and other elements!
- Soil improvement material
- Earthworks
- Pile and foundation work
Introducing products that improve the soil of the target area, with soil improvement materials mixed in advance!
- Wall and rooftop greenery
- Soil improvement material
The scope of bridge inspection work has significantly increased! The "gondola vehicle" can ascend and descend up to a maximum of 50 meters.
- Tunnel Materials
Maximum descent distance of 65m! A vehicle-type gondola that makes close visual inspections at the top of the pier easier. For efficient bridge inspection and repair.
- Tunnel Materials
Overwhelming mobility! Equipped with a lift deck that reaches deep under the beams.
- Tunnel Materials
Introduction to greening measures using acidic sulfate salt method materials and planting construction for alkaline soils!
- Slope protection material
- Planting work
Lightweight, rust-resistant, high-durability polyester net.
- Slope protection material
Notice of Exhibition for Slope Disaster Prevention Technology (Construction Technology Fair 2025 in Chubu)
We are pleased to announce that our slope disaster prevention technology will be exhibited at the "Construction Technology Fair 2025 in Chubu." Exhibition Name: Construction Technology Fair 2025 in Chubu (Concurrent Event: Chubu Lifeguard TEC 2025 - Disaster Prevention, Mitigation, and Crisis Management Exhibition) Date and Time: December 4, 2025 (Thursday) from 10:00 AM to 5:00 PM, December 5, 2025 (Friday) from 10:00 AM to 4:00 PM Venue: Port Messe Nagoya, Hall 3 (Nagoya International Exhibition Center) (2-2 Kaneshiro-futo, Minato Ward, Nagoya City) Booth Number: Sa04 Admission to this exhibition is free (registration required). We sincerely look forward to your visit. We kindly ask you to stop by our booth.
A covering material stronger than blue sheets. A mat that hardens gradually with watering and is easy to install.
- Civil Engineering Sheet
Notice of Exhibition for Slope Disaster Prevention Technology (Construction Technology Fair 2025 in Chubu)
We are pleased to announce that our slope disaster prevention technology will be exhibited at the "Construction Technology Fair 2025 in Chubu." Exhibition Name: Construction Technology Fair 2025 in Chubu (Concurrent Event: Chubu Lifeguard TEC 2025 - Disaster Prevention, Mitigation, and Crisis Management Exhibition) Date and Time: December 4, 2025 (Thursday) from 10:00 AM to 5:00 PM, December 5, 2025 (Friday) from 10:00 AM to 4:00 PM Venue: Port Messe Nagoya, Hall 3 (Nagoya International Exhibition Center) (2-2 Kaneshiro-futo, Minato Ward, Nagoya City) Booth Number: Sa04 Admission to this exhibition is free (registration required). We sincerely look forward to your visit. We kindly ask you to stop by our booth.
We will contribute to a "safe and secure" future through continuous technological innovation!
- Piping materials (plastic pipes)
Special modified asphalt" specifically applicable to "high-elastic upper layer pavement mixture.
- Paving Materials
Coloring landscapes and tourist spots, controlling urban road traffic! Adaptation to routes with large vehicles is also possible.
- Paving Materials
Using a special polymer cement for excellent durability! Colored pavement using formwork (template).
- Pavement construction
- Paving Materials