■ Customizable to fit specifications and uses ■ Meiwa Kogyo's water pipe bridges meet all needs and scenarios!

明和工業

We offer a comprehensive system from on-site investigation to proposal, design, manufacturing, insulation, painting, construction, and after-sales service, providing a wide variety of options to meet all needs and scenarios. We manufacture according to applications, including water pipe bridges such as standalone bridges and bridge-mounted pipes, as well as steel pipes for water transport, water pressure iron pipes, on-site piping, buried pipes, pipe-in-pipe systems, and river crossing pipes. 【Features of Water Pipe Bridges】 ■ The main pipes can be selected from stainless steel pipes, steel pipes, polyethylene pipes, and others. ■ We have a diverse range of options, including various coatings, FRP corrosion protection, and insulation work. ■ Our full-order system allows for customization according to specifications and applications. *For more details, please refer to the external link page or feel free to contact us.

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Non-freezing rapid type air valve / Airis Neo
Solve the freezing problem! Our high-quality air valve with a secondary valve function ensures stable water flow in the piping.

【Specifications】 ■MAV-N25 　・Nominal diameter: 25 　・Connection flange diameter: 80A 　・Connection flange nominal pressure: Water supply 7.5K JIS10K 　・Material: SUS304/SUS316 　・Weight: 9kg ■MAV-N50 　・Nominal diameter: 50 　・Connection flange diameter: 100A 　・Connection flange nominal pressure: Water supply 7.5K JIS10K/16K 　・Material: SUS304/SUS316 　・Weight: 12kg *For more details, please refer to the catalog or feel free to contact us.
Water pipe bridge, bridge-mounted pipes, coated steel pipes for water transport, steel-shaped pipes.
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!

[Affiliated Organizations] - Japan Water Works Association - Japan Water Industry Association - Japan Water Steel Pipe Association - SDF Technology Association - Paltem Technology Association - National Water Pipe Cleaning Technology Association
【With maintenance guide】Frost-proof rapid air valve 'Airis Neo'
This is an air valve that protects stable water flow in pipes with high quality born from the pursuit of functionality and rationality!

【Specifications】 ■MAV-N25 　・Nominal diameter: 25 　・Connection flange diameter: 80A 　・Connection flange nominal pressure: Water supply 7.5K JIS 10K 　・Material: SUS304/SUS316 　・Weight: 9kg ■MAV-N50 　・Nominal diameter: 50 　・Connection flange diameter: 100A 　・Connection flange nominal pressure: Water supply 7.5K JIS 10K/16K 　・Material: SUS304/SUS316 　・Weight: 12kg *For more details, please refer to the catalog or feel free to contact us.