明和工業 List of Products and Services

In response to the requests from many customers, we are expanding the campaign target areas and duration! We have prepared a "20% off the regular price" campaign exclusively for equipment construction companies that are adopting the Groojoint for the first time. ■ Application Period: February 3, 2025 - End of February 2026 ■ Eligibility Conditions: Projects that will begin delivery by the end of March 2026 (Ongoing projects and projects with confirmed adoption are not eligible for this campaign) ■ Limited Conditions: Exclusively for equipment construction companies located in Hokkaido, Tohoku, Kyushu, the Nagoya area (Aichi, Gifu, Mie), and the Kansai area (Osaka, Kyoto, Hyogo, Nara, Shiga, Wakayama) that are adopting Groojoint for the first time. Please take this opportunity to utilize the stainless steel piping "Groojoint 2.0MPa (250A is 1.0MPa)," which has achieved outstanding labor-saving capabilities for a wide range of applications such as industrial plants and high-rise buildings. We also have Groojoint 3.5 (3.5MPa specification) available.

• Piping Materials

We provide services that ensure the continuous operation of various mechanical equipment, including pumps, peripheral equipment, and piping. 【Long-term Maintenance Service】 　■　Proposing truly necessary maintenance 　■　Material selection from a wide range of suppliers 　■　Manufacturing replacement parts at our domestic factory 　■　Low cost and long lifespan 【Control Panel Design and Manufacturing Service】 　■　Custom-made control panels 　■　Support for remote monitoring and operation systems using the cloud 　■　High quality by professionals with extensive experience and know-how 　■　One-stop service from the removal of existing equipment to installation completion

• Power Transmission Equipment
• Control Panel

The "REPCS Material Data H-Type" introduces materials used in stainless steel temporary piping systems. It includes dimension tables, component lists, and vehicle loading capacities for the housing type "H-Type." ■ REPCS H-Type: Housing Type - Recyclable - Safe and hygienic - Excellent workability - Economical - Nationwide service network - Stainless steel (SUS304) *For more details, please refer to the catalog or feel free to contact us.

• Piping Materials

We are pleased to announce that underwater pumps are now available for rental along with REPCS materials. (REPCS is a temporary piping rental system that takes the environment into consideration by generating no waste materials.) Please make use of this service during droughts or when replacing installations.

• Piping Materials

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 PDF document or feel free to contact us.*

• Piping Materials

This rental water tank (1 ton) can be systematically deployed as an emergency water supply in preparation for natural disasters, which have been frequent in recent years, such as typhoons and heavy rain or snow that pose isolation risks to residential areas, as well as for cleaning operations in homes affected by sediment flow. Additionally, it can be transported using a 1-ton truck or a van and can be easily assembled in about 10 minutes, making it useful not only for disaster preparedness but also as a water supply tank to deliver clean water to events planned in the community. Point 1: Assembly time is approximately 10 minutes Point 2: Lightweight design allows for movement by two people Point 3: Planned water stockpiling for natural disaster preparedness Point 4: Versatile uses for events and activities Point 5: Easy transportation to adjacent water supply stations Point 6: Hygienic stainless steel tank Point 7: Nationwide coverage through in-house production and shipping Point 8: Reliable one-stop service If you are considering permanent installation, you can purchase it at a more economical price range. Please feel free to contact us.

• Municipal services and business location

Professionals with extensive experience and know-how in facilities such as sluices, pumping stations, and control panels for pumps, valves, and sluices provide custom-made products tailored to meet customer needs. We offer integrated production from design to manufacturing, and we can also propose systems for control panels and operation panels. We realize products from a professional perspective on water infrastructure and respond to your requests. 【Features】 ■ We respond to requests with custom-made solutions ■ Manufactured by professionals with extensive experience and know-how ■ Compatible with remote monitoring and operation systems using the cloud

• Contract Inspection

The rolling ring processing is a method of expanding a pipe into a ring shape. By performing rolling processing without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with the piping of connecting water supply pipes made of stainless steel pipes. We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with the piping of connecting water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High resistance to pull-out ■ Stable quality due to processing in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

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 at water supply points 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! It quickly secures the lifeline of the city. 【Features】 - Stainless steel construction keeps drinking water hygienic - Easy assembly - Simple connection - Transportable by 1-ton truck or van *For more details, please refer to the PDF or feel free to contact us.

• Piping Materials

Introducing the Glow Socket from our Grooved Joint Series! Available in sizes ranging from 40A to 125A, the installation efficiency in a compact space has been further improved. For sizes 80A and below, piping can be done manually, while for sizes 65A and above, we provide a jig. Please feel free to contact us when needed. 【Product Lineup】 ■40A ■50A ■65A ■80A ■100A ■125A *For more details, please refer to the PDF document or feel free to contact us.

• joint

"Stainless Prefab Processed Pipe" is made of stainless steel with excellent corrosion resistance, lightweight, and offers superior workability on site. It can be used for a wide range of applications, including building equipment piping, plant piping, and water supply and drainage piping. Since all components are produced in our factory, we can accommodate custom processing requests, and we provide high-quality and uniform products through strict inspections. Please feel free to contact us when you need our services. 【Features】 ■ Reduces labor hours for construction, shortening the construction period ■ On-site work is easier and faster compared to on-site processing ■ Savings on fittings through branching processing (including small diameters) ■ Quality is stable as processing is done in the factory ■ Piping with excellent corrosion resistance that considers the global environment *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

When painting an object, a major factor in ensuring that the paint film is maintained for a long time is "substrate preparation." The circulating hybrid blast system method is an environmentally conscious blasting technique that allows for a significant reduction in the discharge of industrial waste by recycling (reusing) the abrasive material used in substrate preparation blasting. Meiwa Industry has become a regular member of the (General Incorporated Association) Circulating Hybrid Blast System Method Association and has introduced this system, which is registered as NETIS VE (Utilization Promotion Technology), to start an eco-friendly and reusable blasting business. 【Features】 ■ Significant reduction in industrial waste and CO2 emissions by circulating and repeatedly projecting the abrasive material ■ Use of steel grit as the abrasive material ■ Efficient removal of paint films containing harmful substances such as lead, PCB, and chromium ■ Electronic control system with excellent safety and operability ■ Type-3 with excellent mobility that can be mounted on a 4-ton truck ■ High safety and reduced number of specialized workers *For more details, please refer to the related links or feel free to contact us.

• Other environmental equipment

By combining over 40 years of experience in metal processing and steel frame construction technology from Meiwa Kogyo with the unique technology of solar panels from our partner company, Toyo Aluminum, we have achieved a design that withstands "vertical snow load of 120 cm and wind speed of 39 m/s," making it possible to install in areas with heavy snowfall and strong winds where installations were previously abandoned. Additionally, you can choose from a highly durable "StenShell (stainless steel flake-containing paint)" that excels in corrosion resistance against rain, seawater, and de-icing agents, as well as general paints in your preferred colors. This system not only functions as a carport but also enables "self-sufficient and effective use of electricity" through solar power generation, battery storage, and electric vehicles, making it useful for daily life and as an emergency power source for business continuity planning (BCP). 【Features】 ■ Complies with the new regulations mandating installation of solar power systems under 10 to 50 kW ■ High-strength steel frame construction suitable for areas with heavy snowfall and strong winds ■ Rich color variations ■ Custom design options available ■ One-stop service from proposal to construction and aftercare

• Solar power generator

We offer a lineup of "portable power storage systems" suitable for preparing for power outages during disasters such as earthquakes and typhoons. Our products include those equipped with UPS functionality that can detect power outages and start supplying power, as well as products suitable for large evacuation centers due to their high capacity and output, and products that allow the use of electrical devices by connecting to a vehicle. Currently, we are providing materials that summarize information about each product. You can view detailed information via "PDF Download." 【Product Lineup】 ◎ '1.6kWh Model' ■ Available with an option for solar charging functionality ■ Equipped with a 1,560Wh Li-ion battery (made in Japan) ◎ '3.1kWh Model' ■ Supports large capacity of 3100Wh and high output of 2100W ■ Fast charging capability: approximately 3 hours ◎ 'Vehicle Connection Power Supply' ■ Usable without tools ■ Comes with a cable that supports a large current of 100A *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other power sources

The vehicle-connected power supply of the portable storage battery system allows you to connect to a car and use electrical products such as POS terminals and LED lighting, making it useful during emergencies and work situations. It can utilize power from an outlet (AC100V) and can be used up to a maximum of 1,000W. Additionally, it comes with a cable that supports a large current of 100A, which can be stored inside the case. We offer a 12V/24V compatible model "MEB-C1224-Y/B" and a 48V model for electric forklifts "MEB-C48-Y/B." 【Features】 ■ Usable without tools ■ Compatible with two types of battery voltages ■ Comes with a cable that supports a large current of 100A * Can be stored inside the case ■ Equipped with safety and protection features * For more details, please refer to the PDF document or feel free to contact us.

• Power storage device

The portable energy storage system 3.1kWh model is a backup power source suitable for replacing generator sets and for large-capacity, high-output large-scale evacuation shelters. It is compatible with devices that require startup power. It can power cutting machines and disc grinders at 1,430W, charge approximately 360 smartphones, and provide backup for desktop PCs for about 69 hours. 【Features】 ■ Large capacity of 3,100Wh ■ High output of 2,100W, maximum 3,900W (at 25°C for 5 seconds, power factor 1) ■ Fast charging support: approximately 3 hours ■ Effective capacity of 2,800Wh (90%) ■ No soundproofing required *For more details, please refer to the PDF document or feel free to contact us.

• Power storage device

The portable power supply system 1.6kWh model is an all-around portable power source suitable for emergencies and outdoor use. When charging, the UPS function activates with the AC output switch ON. It detects power outages and starts supplying power from the battery within 10 milliseconds. The color variations include two colors: black and yellow, and it is easy to carry with a carrying case type. 【Features】 ■ Standard UPS function (always commercial mode) ■ Equipped with a 1,560Wh Li-ion battery (made in Japan) ■ High-efficiency inverter with a total output of 1,400Wh (at rated output at 25°C) ■ High output with a rated output of 1,000W (power factor 1) and a maximum output of 2,500W (at 25°C for 3 seconds, power factor 1) ■ Easy to carry with a carrying case type ■ Can also be charged from solar panels. * Solar charging function model (solar panels sold separately) * For more details, please refer to the PDF document or feel free to contact us.

• Power storage device

This is a maintenance service for surrounding equipment and piping, including pumps at the drainage airport. We offer maintenance or replacement of surrounding equipment and piping, proposing maintenance methods tailored to the situation, from planned maintenance during the off-season to emergency repairs just before irrigation. We will select suitable maintenance methods from the perspective of low cost and long lifespan. 【Features】 ■ Replacement and modification of only the minimum necessary parts ■ In-house production of parts ■ Material selection from a wide range of suppliers ■ Low cost and long lifespan *For more details, please refer to the PDF document or feel free to contact us.

• Contract Inspection

Meiwa Kogyo's rental temporary piping system REPCS (Repix) is an environmentally friendly piping system that generates no waste materials. With a simple structure that integrates pipes and fittings, it significantly reduces construction time. Since no complex tools are required, anyone can easily and safely install it. This is a material rental service necessary for temporary construction, including water supply pipes, hot water pipes, and chilled/hot water pipes for building equipment. 【Features】 ■ Easy installation ■ Shortened construction period ■ Abundant materials ■ Safe and secure ■ Environmentally conscious reuse concept *For more details, please refer to the PDF document or feel free to contact us.

• Piping Materials

We offer a comprehensive system from on-site investigation to proposal, design, manufacturing, insulation, painting, construction, and after-sales service, with a wide variety of options to meet various needs and scenarios. We manufacture according to 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. **Features of Water Pipe Bridges** - The main pipe can be selected from stainless steel pipes, steel pipes, polyethylene pipes, and others. - We offer a variety of options including various coatings, FRP corrosion protection, and insulation work. - Our full-order system allows for customization according to specifications and applications. **Meiwa Pipeline Renewal System M-PLUS** - Camera inspection (non-water supply pipe camera inspection) - Pipe cleaning (SCOPE method "special pipe cleaning method for water pipes" and HS method "high-speed carbonated water cleaning method") - Renewal method (SDF method) - Rehabilitation method (hose lining method, Partem HL method, etc.) - Temporary piping (REPCS) **Water Pipe Bridge Diagnosis Service** - Water pipe bridge diagnosis service (deterioration diagnosis, seismic diagnosis) *For more details, please refer to the external link page or feel free to contact us.*

• Piping Materials

This product is a custom-made water supply tower for water supply vehicles, utilizing expertise in water pipe bridges and temporary piping. The piping can rotate 360 degrees and has excellent storage capability, enabling flexible smart water supply. Additionally, by providing two water supply points, simultaneous water supply to two vehicles is possible (buried pipe connection model). This allows for time savings and compatibility with various water supply vehicles. 【Features】 ■ Made of all stainless steel ■ Customization available ■ Two water supply points (buried pipe connection model) ■ Rotatable and movable *For more details, please refer to the PDF document or feel free to contact us.

• Other water treatment equipment

The Airis Neo is a freeze-proof type that utilizes the flowing water energy of the main pipe, and it is a freeze-proof rapid air valve that maintains a stable water flow within the piping. With a flat and slim compact shape, it accommodates various installation conditions. The materials used are stainless steel and plastic, which offer excellent corrosion resistance and toughness. Additionally, the sub-valve that stops the water flow 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 sub-valve function ■ Freeze-proof structure ■ High durability ■ Excellent intake and exhaust functionality *For more details, please refer to the catalog or feel free to contact us.

• valve

★Certified with Niigata Gold Technology★ The agricultural air valve Smart Air Valve is an air valve installed at appropriate locations 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 issues such as malfunctioning intake and exhaust operations caused by debris and sand mixed in agricultural water, as well as poor shut-off capabilities. Meiwa Industry's agricultural air valve adopts a structure that solves these operational failures while maintaining excellent intake and exhaust performance. 【Features】 Point 1: Prevents the adhesion of debris and sediment mixed in agricultural water, eliminating leaks and operational failures. Point 2: Reduces maintenance frequency, saving time and labor. Point 3: Made of highly corrosion-resistant stainless steel material to prevent functional failure due to corrosion. Point 4: Compatible with various installation conditions, including water pipe bridges and buried sections. *For more details, please refer to the PDF document or feel free to contact us.*

• Piping Materials

The Safety Tower is a water storage tank that can hold safe drinking water during disasters and emergencies. With a capacity of 40 tons, it can provide approximately 10,000 people with 4 liters of water each. Its robust structure boasts excellent earthquake resistance, having withstood the Niigata Chuetsu Earthquake and the Great East Japan Earthquake, and has served as both a drinking water tank and a fire-fighting water tank. Designed to save space, it can be installed in various locations. The design, which can be tailored to local specialties and community aesthetics, has received positive feedback. 【Features】 ■ Made with stainless steel inside the main body ■ Water quality comparable to tap water through chlorine agents and membrane filtration ■ Space-saving design ■ Usable as fire-fighting water ■ Technology for maintaining clean water has obtained a patent *For more details, please refer to the catalog or feel free to contact us.

• others

Meiwa Kogyo's gas water separator has its interior divided into two sections, allowing for the identification of the faulty area by checking the left and right sides. By installing the water separator at a low point in the piping, if a pipe is damaged, water will flow from the damaged area to the lower part of the pipe and enter the water separator, enabling the identification of which pipe has the fault. 【Features】 ■ The interior of the water separator is divided into two sections, allowing for the identification of the faulty area by checking the left and right sides. ■ It can identify which pipe has the fault. ■ Utility model has been obtained. *For more details, please refer to the PDF document or feel free to contact us.

• Water treatment equipment

The "Aeris Neo" is a non-freezing type that utilizes the flowing water energy of the main pipe and is an air valve that maintains a stable water flow within the piping. We have now published a video for maintenance! It adopts the "rotating slide method," which is a significant feature of the Aeris Neo. This method does not require special tools, making maintenance easier and allowing for safe work by simultaneously sealing the side and bottom holes. We have created a "Maintenance Guide" detailing maintenance precautions and procedures! For more information, please download the materials, or feel free to contact us if you have any questions. 【Aeris Neo Features】 ■ Easy maintenance with the rotating slide method that does not require special tools ■ Optional parts are also available separately ■ Special structure with a sub-valve function and non-freezing design *For more details, please refer to the catalog or feel free to contact us.

• valve

The "REPCS Material Data G Type/H Type" introduces materials used in stainless steel temporary piping systems. It includes dimension tables, component lists, vehicle loading capacities, etc., for the glow type "G Type" and the housing type "H Type." [Contents] ■ G Type Materials Section ■ H Type Materials Section ■ Optional Materials Section (common to G Type and H Type) ■ Technical Section *For more details, please refer to the catalog or feel free to contact us.

• Piping Materials

The "Glow Bucket Strainer" is a groundbreaking strainer that maximizes the performance of our "Glow Joint." During open cleaning and inspections, it requires no bolt or nut tightening work, and maintenance can be performed without tools up to a main body diameter of 150A. The product weight has also been reduced to about one-third compared to conventional flange types, making it easier to handle. 【Features】 ■ Adoption of the Glow Joint System ■ Cover removal time is less than about 1/10 compared to flange types ■ Safe and easy work can be performed by carrying out open operations from above *For more details, please refer to the external link page or feel free to contact us.

• Piping Materials

The Glow Bucket Strainer is a product that allows for easy and safe cleaning and inspection. When opening the upper cover, there is no need for any bolt or nut tightening work, and the upper cover can be removed with a single touch. Maintenance can be performed without tools for body diameters up to 150A. The product weight has been reduced to about one-third compared to conventional flange types, making it easier to handle. Since the face-to-face dimensions and filtration area can be customized, it can be replaced in existing spaces. 【Features】 ■ Easy and safe cleaning and inspection ■ Upper cover can be removed with a single touch ■ Safety is ensured during opening operations from the top ■ Lightweight and compact ■ Face-to-face dimensions and filtration area can be customized *For more details, please refer to the PDF materials or feel free to contact us.

• Piping Materials

The Rescue Tap is an emergency water supply set that allows for easy and rapid water supply by attaching the main unit assembled at a water supply point. In the event of disasters such as earthquakes that damage water supply facilities, it can quickly provide safe and high-quality water. It connects easily by simply inserting and turning, and assembly is completed in about 3 minutes. It quickly secures the lifelines of the community. 【Features】 ■ Quickly supplies high-quality water ■ Easy assembly ■ Simple connection ■ Connection ports can be customized *For more details, please refer to the catalog or feel free to contact us.

• Piping Materials

The stainless steel temporary piping system REPCS is a rental service for temporary piping that can be utilized for the relocation of water pipes during water supply pipe renewal work and sewer pipe renewal work, without the need for water outages, ensuring a "safe and secure" water supply. It allows for the rental of the necessary amount for the required period during water and sewage construction work and restoration work in the event of disasters, making it environmentally friendly and economically advantageous. In times of disaster, we leverage our past experiences to provide rapid water supply to affected areas and contribute to the restoration of water pipes after disasters. Additionally, we have adopted our patented Grooved Joint System, which allows for easy installation by simply inserting and twisting the pipes, making it accessible for anyone to install. We offer a speedy installation "G type" that can be set up in three steps, as well as a standard type "H type." This service, uniquely devised by our company, started in 1989 and is now utilized by over 85% of municipalities nationwide, from Hokkaido to Kyushu. 【Five Key Points】 ■ Easy connection ■ Built-in disconnection prevention mechanism ■ Excellent pressure resistance ■ Reliable safety ■ Smooth shipping response for peace of mind at any time

• Piping Materials

The MS Joint from Meiwa Kogyo is a stretch joint that is resistant to corrosion and requires little maintenance, thanks to the use of SUS304 and SUS316. Its durability is nearly permanent compared to iron. The long stretch pipe smoothly absorbs the expansion and contraction of the main pipe, and its flexibility can withstand 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, including drinking water supply, 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.

• joint

Meiwa Industrial's Gro-Joint is a one-touch mechanical joint system that integrates stainless steel pipes and fittings, suitable for a wide range of applications including building equipment piping, fire protection equipment piping, piping for various plant devices, and water supply and drainage piping. The one-touch design allows for speedy installation without the need for specialized piping techniques, enabling labor and manpower savings on-site. Additionally, since it is made of stainless steel, it does not produce red water, ensuring excellent piping quality and hygiene. It is also certified for fire protection, making it suitable for use in fire protection system connection water supply pipes.

• Piping Materials