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This is a high-pressure duct that forms ribs between the flanges, significantly improving strength. It is used in cylindrical formwork for civil engineering and construction.
It has a high resistance to external pressure. The spiral hub and ribs serve as reinforcement. We also manufacture specified dimensions according to conditions such as on-site and transportation.
Introducing insulated spiral ducts made with foam rubber insulation.
Fukagawa Co., Ltd. handles "Insulated Spiral Ducts (FEF)." The insulation material is FEF (foam rubber insulation), and the interior is a galvanized steel spiral duct. We offer sizes from φ100 to φ300. [Features] ■ Insulation Material: FEF (foam rubber insulation) ■ Interior: Galvanized Steel Spiral Duct *For more details, please refer to the PDF document or feel free to contact us.
Introducing insulated spiral ducts made with ALGC adhesive glass wool.
Fukagawa Co., Ltd. handles "Insulated Spiral Ducts (ALGC Coated Glass Wool)." The insulation material is ALGC coated glass wool insulation with a density of 40kg/m3 and a total weight of 25 tons. The inner side is made of galvanized steel spiral duct and uses glass wool. 【Features】 ■ Insulation Material: ALGC coated glass wool insulation 40kg/m3, 25 tons ■ Inner Side: Galvanized Steel Spiral Duct ■ F☆☆☆☆ Uses glass wool *For more details, please refer to the PDF document or feel free to contact us.
![[Sample available] Duct "Rib Spiral Duct"](https://image.mono.ipros.com/public/product/image/8db/2000351209/IPROS30586953695956252322.jpeg?w=280&h=280)
To increase strength, form ribs in 1 to 2 places between the hase.
The "Rib Spiral Duct" is a product that enhances spiral ducts with ribs. The seam part is the same as that of the spiral duct, but to increase strength, ribs are formed in 1 to 2 places between the seams, resulting in a duct with greater strength. It can be used for applications such as embedded pipes in hollow slabs and ventilation ducts for tunnels. 【Features】 ■ Ribs are formed in 1 to 2 places between the seams to increase strength ■ Duct with enhanced strength *For more details, please refer to the PDF materials or feel free to contact us.
Introducing ribbed spiral ducts used for civil engineering and construction cylindrical formwork.
Fukagawa Co., Ltd. handles "Ribbed Spiral Duct (Zinc-coated Steel Plate)." This duct forms ribs between the seams, significantly improving strength compared to standard spiral ducts. It is used in civil engineering and construction for cylindrical formwork, among other applications. 【Features】 ■ Zinc-coated steel plate ■ Ribs formed between the seams ■ Significantly improved strength compared to standard spiral ducts ■ Sizes: φ100 to φ600 at 25mm pitch, φ650 to φ1600 at 50mm pitch ■ Standard length: 4.0m *For more details, please refer to the PDF document or feel free to contact us.
