明和工業 List of Products and Services

In response to the requests from many customers, we are expanding the campaign target area and period! We have prepared a "20% off the regular price" campaign exclusively for equipment construction companies that are adopting the Grojoint 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, Nagoya area (Aichi Prefecture, Gifu Prefecture, Mie Prefecture), and Kansai area (Osaka Prefecture, Kyoto Prefecture, Hyogo Prefecture, Nara Prefecture, Shiga Prefecture, Wakayama Prefecture) that are adopting Grojoint for the first time. Please take this opportunity to utilize the stainless steel piping "Grojoint 2.0MPa (250A is 1.0MPa)," which achieves excellent labor-saving for a wide range of applications such as industrial plants and high-rise buildings. We also have Grojoint 3.5 (3.5MPa specification) available.

The "stainless prefabricated processing 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 requests for custom processing, and we provide high-quality and uniform products through rigorous inspection. 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 because processing is done in the factory ■ Piping that is environmentally friendly with excellent corrosion resistance *For more details, please refer to the PDF materials or feel free to contact us.

Meiwa Kogyo's Grooved 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-saving and manpower-reducing measures on site. Additionally, since it uses stainless steel, there is no occurrence of red water, ensuring excellent piping quality and hygiene. It has also obtained fire protection certification, making it suitable for use in fire protection equipment connection water supply pipes. ☆ Benefits of the Grooved Joint ☆ Point 1 [No Expertise Required] There is no difference in sealing performance regardless of who performs the installation. The installation can be confirmed with the stopper attachment. Point 2 [Easy Installation] Simply insert the spigot into the socket and rotate to complete the installation. No tools are required for sizes up to 100A, allowing for manual installation. Point 3 [Cost Reduction] By shortening installation time, installation costs can be significantly reduced. It is also possible to shift from skilled workers to general workers.

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

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; 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 above ■ Lightweight and compact ■ Face-to-face dimensions and filtration area can be customized *For more details, please refer to the PDF document or feel free to contact us.

The Glow Bucket Strainer is a groundbreaking strainer that maximizes the performance of our "Glow Joint." During open cleaning or inspection, it allows for the removal of the upper cover without any need for bolt and nut tightening, enabling one-touch operation. 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. 【Features】 ■ Easy and safe cleaning and inspection ■ One-touch removal of the upper cover ■ Cover attachment and detachment time is less than about 1/10 compared to flange types ■ Lightweight and compact ■ Customizable spacing dimensions and filtration area ■ Safe and easy operation by performing open work from the top *For more details, please refer to the external link page or feel free to contact us.

The rolling ring processing is a method of expanding a pipe into a ring shape. By performing the rolling process without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with the piping of connected 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 connected water supply pipes made of stainless steel ■ High pressure resistance ■ High pull-out resistance ■ Quality is stable as processing is done in our own factory ■ Made of stainless steel, excellent corrosion resistance, and environmentally friendly *For more details, please refer to the PDF document or feel free to contact us.