[NEXCO standard compliant] Combines leak prevention and spalling prevention, with no leakage from the main body due to its integrated structure, contributing to leak prevention in tunnels, culverts, etc.
The "Miedoren G Series" is a water conduit made of a one-piece structure using flame-retardant materials. It excels in weather resistance and impact resistance, and due to its one-piece structure, there is no water leakage from the conduit body, ensuring reliable water management. Bending, joint processing, and welding can be easily performed according to the leakage situation. The SK seal, being an independent foamed product with an extremely low water absorption rate, prevents water seepage and absorbs irregularities in the wall surface, thus preventing leaks. 【Adopted Construction】 Tunnel repair work Cave repair work Culvert repair work Underground passage repair work Road repair work Other various repair works 【Features】 ■ Due to its certain flexibility, it can be installed in narrow arch areas such as single-line tunnels. ■ As it is a one-piece structure, there is no water leakage from the conduit body, ensuring reliable water management. ■ The SK seal, being an independent foamed product with an extremely low water absorption rate, prevents water seepage. ■ Bending, joint processing, and welding can be easily performed according to the leakage situation. ■ The installation of the conduit is extremely easy, allowing for quick construction. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Product Types】 ■Standard Type - Type used for general roads and railway tunnels. ■Cold-resistant Type - Type used in cold regions where icicles occur. ■Slope Type - Type used in places like box culverts where the ceiling is flat and drainage slope cannot be achieved. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
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CAD data（2）
| Model number | overview | File |
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| G Series Standard Use |
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| G Series Cold Resistance |
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Company information
Since our establishment in 1972, we have grown alongside the development of the Japanese economy. We began producing grating as our main product and have contributed to society as a leading company in the industry to this day. During this time, we have also developed new products related to construction and civil engineering beyond grating, including the sluice gate plant business, hot-dip galvanized coating business, shock protector business, bridge steel structure business, water conduit and drainage pipe business, metal processing business related to construction, and exhibition case business for museums and galleries, among others, building a solid foundation and achievements across various industries. Currently, through the deployment of five factories and twelve branches and sales offices across the country, we are involved in a wide range of public works as well as general private sector construction projects. We will continue to accumulate and refine these technologies to meet our customers' needs.