door×三和鋼業 - List of Manufacturers, Suppliers, Companies and Products

door Product List

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Electric two-panel special folding door

Electric two-panel special folding door

Trademark registered! A new concept special door that offers new designs and functions for buildings.

The "Folio Up Door" is a special door that folds in two and opens and closes vertically. Compared to standard fixtures, the freedom of surface materials has significantly increased, allowing for the realization of design-focused fixtures. When opened, the door itself serves as an eave, making the opening usable as a terrace! Although it is a large opening fixture, it does not require a pocket, allowing for full opening! 【Features】 ■ Can be opened and closed with a lifting mechanism ■ Large opening and spacious ■ If installed across the entire wall, the entire wall becomes the entrance when opened.

  • Steel Door

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How to choose explosion-proof doors and pressure-resistant doors that won't fail? [Comprehensive catalog available]

How to choose explosion-proof doors and pressure-resistant doors that won't fail? [Comprehensive catalog available]

Over 20 tons of pressure resistance! We protect your assets and future with fully customized solutions!

Our company, a manufacturer specializing in steel doors, utilizes its expertise in special doors to produce doors that can withstand a wide range of blast pressures and wind pressures. We also respond to the needs for special performance in places such as experimental facilities and incineration plants with our unique technology. If doors are damaged by wind pressure or tornadoes, the resulting damage to buildings can be significant. If you provide us with the conditions, we can propose special doors that can handle, for example, water pressure of around 20 tons. *For more details, please refer to the PDF materials or feel free to contact us.

  • Steel Door

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Incineration pit door for waste treatment facility

Incineration pit door for waste treatment facility

From Hokkaido in the north to Kagoshima in the south, we have a track record of deliveries to waste treatment facilities nationwide!

There are various opening and driving methods depending on the scale and use of the facility, but our company offers full custom-made solutions that can accommodate all specifications. While we mainly focus on bi-fold doors, we can also cater to customer specifications with four-panel folding doors, lift-up types, slide gates, and more. Additionally, we have a track record of providing dumping boxes that can handle not only doors but also personal waste brought in by customers.

  • Gates, walls and fences

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Sliding door

Sliding door

The culmination of technology for moving heavy doors safely and easily! Sliding doors suitable for large openings.

Among large doors, sliding doors have been the most supplied products since our establishment. Regardless of whether they are electric or manual, we have proposed large sliding doors tailored to meet the requests of customers nationwide through fully customized solutions. In particular, there is an increasing demand from industries that require large openings and compete at an international level. 【Features】 ○ Our unique technology allows heavy doors to be moved easily and safely, enabling manual operation for doors weighing up to 3 tons. ○ As we offer fully customized solutions, we can provide specifications that meet all customer requirements. ○ With over 50 years of experience, we can also advise on the necessary conditions and specifications for large doors. ● Our company specializes in doors with a height of 5 meters or more, but recently, we also have wind pressure-resistant models that can be offered at a lower cost for doors up to 8 meters in height, depending on the specifications. For more details, please click the URL below. https://sanwa-door.jp/order/

  • Steel Door

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Construction method [Large door platform cart installation method] *Our company has obtained a patent.

Construction method [Large door platform cart installation method] *Our company has obtained a patent.

A new construction method that significantly improves safety during construction based on years of experience and technical expertise!

Since its establishment, we have accumulated knowledge as pioneers in large doors and have developed a construction method for large opening doors that is safe and leads to cost reductions. In conventional construction methods, the products themselves become extremely heavy, making transportation and installation very dangerous. However, with our method, only the cart part, which is the heart of the door, is manufactured in the factory, and the rest is brought to the site in parts. The assembly of the parts above the cart is done on-site. With the above method: 1. The elimination of heavy lifting significantly improves the safety of workers. 2. The absence of heavy lifting allows for a reduction in the heavy machinery used, leading to substantial cost savings compared to conventional methods. 3. Unlike traditional methods, work is performed at the door installation location, eliminating the need for a workspace for ground assembly. (However, a temporary storage area for the parts is required.) 4. The elimination of ground assembly reduces the impact of weather on the work, ensuring it does not affect the overall construction schedule. This method is effective for doors that exceed 10 meters in height or doors that are wider than vehicle sizes. Registered with NETIS! Registered technology name: "Large Door Cart Method Installation Construction Method" Registration number: KK-110059-A

  • Fittings construction

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Vertical axis revolving door

Vertical axis revolving door

A vertically rotating door specialized in design!

This is a door that opens and closes with a vertical axis rotation powered by electricity. Our company has expertise in large doors, so we can accommodate products that exceed 5 meters in height with vertical axis rotation as well. Since it is fully custom-made, the surface materials can be freely designed, allowing for individuality as a facade of the building.

  • Revolving door

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Open door

Open door

The culmination of technology for moving heavy doors safely and easily! Swing doors suitable for large openings.

Our main product, the large swing door, complements our large sliding door. Regardless of whether it is electric or manual, we have been proposing large swing doors tailored to meet the needs of customers nationwide through fully customized orders. 【Features】 - Our unique technology allows for the manual operation of doors weighing up to approximately 10 tons, moving heavy doors safely and easily. - As a fully customized product, we can provide specifications that align with all customer requirements. - With over 50 years of experience, we can also advise on the necessary conditions and specifications for large doors. - We can accommodate individual specifications, such as delivering doors with parts cut out for crane operation or overhead lines.

  • Steel Door

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