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  1. Home
  2. Water supply and drainage construction business
  3. 明和工業
  4. Cold-formed ring processing—demonstrating high pressure resistance and pull-out prevention through uniform ring processing without welding!—for connecting water supply pipes made of stainless steel pipes.
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  • Nov 29, 2023
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Nov 29, 2023

Cold-formed ring processing—demonstrating high pressure resistance and pull-out prevention through uniform ring processing without welding!—for connecting water supply pipes made of stainless steel pipes.

明和工業 明和工業
Ring rolling 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 piping for 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 piping for connected water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High pull-out resistance ■ Stable quality due to processing in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel
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Ring rolling process

High pressure resistance and draw-in prevention are achieved through uniform ring processing without welding!

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.

  • Piping Equipment

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Stainless steel prefabricated processing pipe

We support various processing methods such as flange processing and roll grooving! We propose shapes suitable for your application.

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.

  • Piping Equipment

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One-touch mechanical architectural piping system / Grooved joint

Simple and speedy. A piping system that achieves outstanding labor savings.

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.

  • Fire extinguishing equipment

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Groove Joint Series / Glow Socket

Space-saving construction has further improved! Piping for sizes up to 80A can be done by hand.

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.

  • Water and sewerage pipe fittings

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Glow Bucket Strainer

Significantly reduces the effort required for cleaning and inspection compared to conventional bucket strainers!

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.

  • Piping materials (copper pipes, cast iron pipes)

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Related catalog(5)

Ring rolling process

Ring rolling process

PRODUCT
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Stainless steel prefabricated processing pipe

Stainless steel prefabricated processing pipe

PRODUCT
  • E-book viewing
  • Catalog download

Contact this catalog

Piping system / Grooved joint system

Piping system / Grooved joint system

PRODUCT
  • E-book viewing
  • Catalog download

Contact this catalog

Groove Joint Series / Glow Socket

Groove Joint Series / Glow Socket

PRODUCT
  • E-book viewing
  • Catalog download

Contact this catalog

Glow Bucket Strainer

Glow Bucket Strainer

PRODUCT
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  • Catalog download

Contact this catalog

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明和工業
Water supply and drainage construction business
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To Avoid Failing in Back Office Operations and System Implementation — 4 Common Pitfalls and Tips for Solutions

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Caught up in daily input, approval, and checks, I want to improve but can't find the time to consider it. In back offices, which tend to fall into such a "negative loop," it's understood that system implementation can be a breakthrough, but the burden of the implementation itself is often significant, leading to new sources of concern. During the consideration phase, it takes time to request materials and compare demos, and even if the differences are clear, there is no certainty about whether it will fit the company. After implementation, issues often arise in operations, such as not being able to connect to support or having multiple inquiry points that cause confusion. Therefore, while organizing common failure cases, we have summarized key points for practical staff to proceed with a selection that is "smooth," "thorough," and "without regret." Common failure case 1: The purpose is vague, and "systematization" becomes the goal. Common failure case 2: It does not match the company's operations. Common failure case 3: Realizing it is "difficult" after starting to use it. Common failure case 4: Total costs balloon. You can read more without needing to input personal information. Please visit the iBusiness Partners column page! https://ibp-column.sfsite.me/33868

Jul 16, 2026

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Hotron's vehicle detection sensors contribute to efficient parking management, from coin parking to large-scale parking lots.

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Hotron's vehicle detection sensors allow you to search for products that meet your needs from three categories: "Purpose of Use," "Location of Use," and "Product List." The sensors detect the passage of vehicles and notify you with a rotating light, or switch the display of parking availability. They manage vehicle presence, full parking, and exit warnings in parking lots, contributing to safe driving and smooth operational management within the parking area. They are used in various settings, from coin-operated parking to large-scale parking lots.

Jul 16, 2026

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We have released the materials for 'Understanding Commuting Costs in 3 Minutes!'

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We have published an introduction document for the solution "Easy Commuting Expenses," which supports the efficiency of commuting expense management. This document clearly presents the features and benefits of "Easy Commuting Expenses," which enables centralized management of commuting costs, including train, bus, and private car commuting. It streamlines tasks that place a heavy burden on staff, such as determining commuting routes, calculating refunds for commuter passes, responding to fare changes, and managing payment histories, while supporting fair and appropriate commuting expense reimbursements. Additionally, it includes case studies based on the implementation results from over 650 companies nationwide, as well as the effects of cost reduction and operational efficiency. Companies considering a review of commuting expense management or business improvements are encouraged to take a look.

Jul 15, 2026

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[Video Manual Guide] We will explain in an easy-to-understand video how to connect the wireless set that links the bed exit sensor and nurse call system!

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Hotron, which manufactures and sells sensors, provides bed exit sensors for hospitals, nursing, and care facilities. Hotron offers easy-to-understand video guidance on how to use bed exit sensors wirelessly and how to set up device connections! ▼ Video Manual (YouTube) https://www.youtube.com/playlist?list=PLNVA4mTrZDqtJa6MfFRZQxwtfCSnAfxVy 【Bed Exit Sensors】 ○ Non-contact infrared sensor, simply place it - Pole-kun HB-H1 ○ Mat sensor, foldable thin mat - Mat-kun HB-UST ○ Body movement call - Ugo-kun HB-TV3 ○ Body movement call for wheelchairs - Ayumi-chan HB-WTV3 【Options】 ○ Nurse call linked wireless set - Wireless set (transmitter/receiver) HB-RS/HB-RJ ◎ For more information about the products, please contact us or download the catalog.

Jul 15, 2026

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[Please introduce this to the management and general affairs department] Update on the introduction case of the attendance management system! We've moved away from manual input of attendance data! With biometric authentication for attendance management, we can now ensure transparency and accuracy.

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An article has been published regarding the case study of the attendance management system "KING OF TIME" implemented at Nichirei Industrial Co., Ltd. ~ In the case of Nichirei Industrial ~ The workload related to attendance management has decreased. With the transition from analog tasks to automated aggregation of working hours and granting of annual leave, we can now focus on our work with peace of mind. Particularly regarding the "punching method," we utilize fingerprint and facial recognition. By using biometric authentication, impersonation is not possible, and I believe the accuracy of attendance has significantly improved. Transparency has been ensured. 【Case Overview】 ■Challenges Before Implementation - Handwritten attendance sheets were used, resulting in input tasks to incorporate data into the payroll system. ■Key Points of Implementation - Systematization has reduced input tasks. Biometric authentication prevents impersonation. *For more details, please refer to the related links or feel free to contact us.

Jul 14, 2026

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