Flap gate Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

Flap gate Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

  1. 中部美化企業 Aichi//Building materials, supplies and fixtures manufacturers
  2. 鬼頭忠兵衛商店 Aichi//Building materials, supplies and fixtures manufacturers
  3. 旭イノベックス Hokkaido//others 本社営業部
  4. 4 三基工業 Aichi//Other construction industries 本社
  5. 5 井上鉄工所 Tochigi//Water supply and drainage construction business
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Flap gate Product ranking

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

  1. KM-style Simple Flap Gate Series for Backflow Prevention 鬼頭忠兵衛商店
  2. Low cost! Stainless steel/Aluminum/Iron [Flap Gate: Type F8] 中部美化企業
  3. Flap Gate "Auto Gate Junior" 旭イノベックス 本社営業部
  4. 4 Automatic closure only during flooding! 【Drain Flap Gate: F12F Type】 中部美化企業
  5. 4 Flap Gate (Band Type) "F9 Model" 中部美化企業

Flap gate Product List

1～8 item / All 8 items

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My gate, swing gate, flap gate

My gate, swing gate, flap gate

My gate, swing gate, flap gate

Used for backflow prevention gates in drainage pipes and coastal flood prevention gates, the gate opens and closes based on the water level difference upstream and downstream. The opening and closing mechanism is referred to as a mitre gate for double-opening and a swing gate for single-opening, utilizing a rotating shaft attached to the side of the door. 【Features】 ○ The upper and lower shafts are made of stainless steel rods, with oil-less metal bearings installed. ○ The door stop hardware is made of stainless steel shapes or stainless steel plates. ○ The upper and lower bearing hardware is designed to be adjustable even after installation. ○ The material of the door can be designed and manufactured in various types, including general steel, stainless steel, FRP, aluminum alloy, and wood. ● For other functions and details, please contact us.

  • Steel
  • Airport facilities

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Automatic closure only during flooding! 【Drain Flap Gate: F12F Type】

Automatic closure only during flooding! 【Drain Flap Gate: F12F Type】

It is usually open! It automatically closes during high water levels! This is a new concept "flap gate" that reduces drainage and garbage issues.

Always open type backflow prevention product [Drain Flap Gate] [Always Open Type] Being open most of the time means... ◎ High drainage capacity! ◎ Reduces the risk of debris getting stuck! [Backflow Prevention] ◎ Automatically closes when the external water level exceeds half the height of the door! [Easy to Open and Close with Little Force] ◎ The door body is made of lightweight reinforced plastic "FFU"! ◎ Double hinge mechanism allows for easy opening and closing with minimal effort! [Easy Post-Installation Type] ◎ Can be easily installed with post-installation anchors!

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  • Sanitary fixtures

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Conventional design! Stainless steel/Iron [Square flap gate: F6 type]

Conventional design! Stainless steel/Iron [Square flap gate: F6 type]

Design can be tailored to water depth and size! This is a conventional flap gate that enhances construction efficiency and improves opening, closing, and water-stopping performance!

【High Workability】 ◎ The door stop and door body can be disassembled, reducing the burden of welding work! ◎ The installation of the door body can be done with standard tools! * A post-installation specification with embedded anchor fixation can also be designed. 【High Water Stopping and Opening/Closing Performance】 ◎ Adopting our unique double hinge mechanism for smooth opening and closing! ◎ Improved water stopping performance with water stopping rubber and smooth movement! 【Conventional Design Tailored to the Site】 ◎ Wide compatibility with various sizes and design water depths! * Please feel free to consult us regarding design conditions.

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  • Hoist/Crane

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Flap Gate (Band Type) "F9 Model"

Flap Gate (Band Type) "F9 Model"

Directly attachable to existing pipes with a band! Simple backflow prevention door.

The flap gate (band type) "F9 model" prevents backflow of external water during floods or when fully submerged. It pursues a simple structure, achieving lightweight and significant economic efficiency improvements. The arm is supported at two points, allowing for smooth opening and closing, enhancing water tightness. It has minimal protrusions to prevent debris accumulation as much as possible. Installation involves wrapping and securing it around existing pipes with a band (some types of pipes may not be suitable for installation). 【Features】 ○ Direct installation on pipes possible (VU/VP/HP/SUS pipes/SGP pipes, etc.) ○ High corrosion resistance ○ Aluminum version has a baked-on paint finish For more details, please contact us or download the catalog.

  • Sanitary fixtures

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KM-style Simple Flap Gate Series for Backflow Prevention

KM-style Simple Flap Gate Series for Backflow Prevention

By installing it on the waterway side of drainage pipes such as rainwater drainage pipes, it prevents backflow during waterway flooding!

Features of Our Simple Flap Gate 1. The main body is made of PVC, making it convenient for easy installation of flap gates. 2. Being made of PVC, it is lighter and more affordable compared to metal products. 3. The KMGH and KMGC types are fixed with adhesive, making installation easy. 4. There are products available that correspond to three different installation methods to suit the site. For details on the lineup, please refer to the individual product pages. ■ KMG Type: A type fixed to the retaining wall with anchor bolts. It is installed to cover the discharge outlet, allowing use without being restricted by the shape of the outlet. The compatible size for the discharge outlet is up to 1,000mm square. ■ KMGH Type: A type that covers the outside of the PVC pipe. It is convenient for new installations. The compatible size ranges from a diameter of 50mm to 600mm. ■ KMGC Type: A type that is inserted and fixed inside the PVC pipe or flue pipe. It can be easily retrofitted to existing pipes. The compatible size ranges from a diameter of 75mm to 400mm. *For more details, please refer to the PDF materials or feel free to contact us.

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  • Watergate
  • River construction
  • Tensioning and connecting blocks

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Low cost! Stainless steel/Aluminum/Iron [Flap Gate: Type F8]

Low cost! Stainless steel/Aluminum/Iron [Flap Gate: Type F8]

Achieve low cost with simple design! Easy to install with a wide variety! A new standard for metal flap gates!

【Low Cost】 ◎ Achieve low cost with a simple structure! 【Rich Variations】 ◎ Available in three types: stainless steel, aluminum, and iron! ◎ You can choose between round and square shapes! ◎ Designs without door stops are also possible! ◎ Custom sizes can be designed to fit your site! (Up to width x height 1000mm) 【High Performance】 ◎ Double hinge design allows for smooth opening and closing! ◎ High water tightness ensured by using waterproof rubber! 【Easy Retrofit】 ◎ Simple installation with the included drive anchors!

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  • Sanitary fixtures

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Flap gate

Flap gate

Since it will be installed using all anchors, it can be easily installed on-site.

We would like to introduce the 'Flap Gate' handled by Inoue Iron Works Co., Ltd. Since it is installed using all anchors, it can be easily installed on-site. We offer various types, including the retrofitted "Simple Flap Gate" and the "Waterproof Flap Gate." Additionally, we manufacture products made of iron, stainless steel, and aluminum alloy. Furthermore, we also have band-type products available for cases where pipes such as fume pipes or cast iron pipes protrude from the wall. Please feel free to contact us. 【Product Lineup】 ■ Simple Flap Gate ■ Waterproof Flap Gate *For more details, please refer to the PDF materials or feel free to contact us.

  • others

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Flap Gate "Auto Gate Junior"

Flap Gate "Auto Gate Junior"

Eliminating the drawbacks of conventional flap gates! Introducing a backflow prevention gate for small drainage pipes.

The "Auto Gate Junior" is a flap gate of the "balance weight" type that was born from the new technology of the "Auto Gate" developed by our company. Under normal conditions, the gate opens due to the action of the balance weight and smoothly drains water. Additionally, during floods, it quickly closes due to the interaction between the balance weight and the float. 【Features】 <Bearings> ■ It uses submerged, maintenance-free bearings on the rotating shaft to reduce friction resistance, allowing the gate to open and close smoothly. <Gate Opening> ■ The gate is in a 10° open position under normal conditions, which does not hinder the flow of water. ■ There is no need to lift the gate under normal conditions. *For more details, please refer to the PDF document or feel free to contact us.

  • Watergate

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