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Zero Leakage Floodgate Design Endured Super Typhoons in 2017 and 2018


Tachibana Engineering (HK) Ltd. supplied floodgates to Hong Kong as early as 2008 to protect electrical switch rooms which have high risk of flooding. All of our floodgates installed have survived Super-Typhoons “Hato” in 2017 and “Mangkhut” in 2018.

Our floodgate is of a removable hand held design, made to measure to ensure the highest degree of water tightness. The flood panel is rigid and yet light weight to allow manual handling without the use of tools. It can be set up easily prior to the arrival of a storm at a short time.

Applications are electrical switch rooms, car park entrance, door entrance, public lift entrance, etc.

Our Design Concept

  • One vertical panel wherever possible
  • Flood water pressing onto rubber gaskets
  • The gasket on a single plane only to ensure water tightness
  • Quick-action locks to ensure consistent locking pressure and “error-proof” operation
  • Light weight and rigid


  • Embedded U-Channel: Stainless Steel Grade 316
  • Mullion: Stainless Steel Grade 316 
  • Floodgate Panel: Frame made of Aluminium Alloy 6063-T5, and Panel made of Aluminium Alloy 3003, anodized finish
  • Sealing Gasket: EPDM 
  • Handle: Zinc Alloy
  • Quick-Action Lock: Stainless Steel Grade 316

Installation Hardware:

  • Stainless Steel Grade 304 or higher anchor bolt
  • Screws of Stainless Steel Grade 316
  • Sealant: Weatherproofing sealant for most applications
  • Labeling with installation instructions and position on each panel

*Product subjected to changes without prior notice*

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