List of Civil Engineering Materials products
- classification：Civil Engineering Materials
46～90 item / All 9530 items
You can install scaffolding on the float! Enjoy the water space freely! Information on floating dock rentals.
- Bridge Materials
Just by "applying" it to metals, glass, concrete, etc., you can achieve high durability waterproofing and repairs! It can be painted over.
- Waterproof tape, adhesive, drain, protective panel
Perfect for wide entrances and exits! Can be used as a gate during normal times.
- Drainage material
[Free Catalog Download] Information about the waterproof board catalog
In April 2025, the waterproof board catalog vol.2 of Japan Pit was published.
This is a waterproof board (water stop board, flood prevention board) that can be easily installed by operating a hydraulic pump. It can be set up quickly by one person and does not require storage sp...
- Drainage material
[Free Catalog Download] Information about the waterproof board catalog
In April 2025, the waterproof board catalog vol.2 of Japan Pit was published.
No storage location needed! A sheet-type waterproof board that can be set up immediately in an emergency.
- Drainage material
[Free Catalog Download] Information about the waterproof board catalog
In April 2025, the waterproof board catalog vol.2 of Japan Pit was published.
Perfect for wide spaces! No storage space needed! Waterproof board that can be easily installed by operating a hydraulic pump.
- Drainage material
Panel-type waterproof board! Supports maximum immersion height of up to 2 meters!
- Drainage material
[Free Catalog Download] Information about the waterproof board catalog
In April 2025, the waterproof board catalog vol.2 of Japan Pit was published.
It is a grout suitable for ground reinforcement, void filling, and water stopping that requires permanent strength.
- cement
- Waterproofing Agent
The hybrid joint with a wide range of lineup has reached a cumulative adoption of approximately 20,000 locations! Durability proven for 100 years.
- Expansion joint hardware
- Bridge Materials
Custom-made to match the distance between support posts! Quick and easy installation! Reliable strength! Newly developed ultimate fall prevention wire system for handrails and guardrails
- Exterior Materials
- Protective fence
- Gates, walls and fences
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Significantly strengthen local-focused operations and radio dispatch numbers with taxi call-out phones.
- Other commercial buildings and service facilities
- Flood prevention facilities, fire tanks, and flood control ponds
- Rain protection items
It has good transparency and does not damage the landscape, with a proven track record in many cultural properties! Made of polyester, it does not rust due to corrosion and does not harm cultural prop...
- Slope protection material
The heat resistance temperature is 90°C, and the allowable static pressure is up to -1000Pa! It is for the installation of PVC pipe ends.
- Piping and insulation
- Piping materials (plastic pipes)
For intermediate installation of inspection port PVC pipes! The heat resistance temperature is 70°C, and the allowable static pressure is up to -1000 Pa.
- Piping and insulation
- Piping materials (plastic pipes)
For gas pipe end installation! Maintenance is recommended approximately four times a year, each season.
- Piping and insulation
- Piping materials (plastic pipes)
Made-to-order! Introducing water vest products for intermediate installation of gas pipes.
- Piping and insulation
- Piping materials (plastic pipes)
Introducing the KWA series for gas pipe intermediate installation, featuring a lineup of 4 types of products!
- Piping and insulation
- Piping materials (plastic pipes)
For horizontal installation of intermediate fittings of PVC pipes according to the Ministry of Land, Infrastructure, Transport and Tourism specifications! Limited to use under non-pressure conditions.
- Piping and insulation
- Piping materials (plastic pipes)
MB series dedicated to gas pipe installation! Connection piping is available for sizes 50A to 150A.
- Piping and insulation
- Piping materials (plastic pipes)
For pest and odor prevention!
- Piping and insulation
- Piping materials (plastic pipes)
Introducing a water vest product for gas pipe end installation, as specified by the Ministry of Land, Infrastructure, Transport and Tourism!
- Piping and insulation
- Piping materials (plastic pipes)
Introducing the SB series of water vests with detachable design! The heat resistance temperature is 60℃.
- Piping and insulation
- Piping materials (plastic pipes)
The heat resistance temperature is 60℃! The fitting is for indirect drainage with an Increaser of 100×50.
- Piping and insulation
- Piping materials (plastic pipes)
Water vest for intermediate installation of gas pipes with inspection openings! The heat resistance temperature is 70°C.
- Piping and insulation
- Piping materials (plastic pipes)
For gas pipe end installation, the main body is made of ABS resin! The allowable static pressure exceeds -1000Pa and up to -3000Pa.
- Piping and insulation
- Piping materials (plastic pipes)
Introducing a water vest for gas pipe end installations compatible with +500Pa!
- Piping and insulation
- Piping materials (plastic pipes)
The depth is 110mm, and the total length is 73mm! Introduction to the +1000Pa compatible series.
- Piping and insulation
- Piping materials (plastic pipes)
For odor and insect prevention! MP series specifically designed for PVC pipe installation.
- Piping and insulation
- Piping materials (plastic pipes)
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.