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Koatsu

Gas fire suppression specialists — nitrogen, CO₂ and halon 1301.

Manufacturer 100+ people Est. 1951 3 offices
About

株式会社コーアツ researches, manufactures, installs and maintains gas suppression systems and holds the leading domestic share in ガス系消火設備. Its NN100 nitrogen suppression system holds 日本消防設備安全センター 性能評定 番号 よ-188号, the performance evaluation required for systems outside the standard 検定 categories. Koatsu is a 正会員 of 日本消火装置工業会, holds MLIT construction licence 般-6 第2828号 for 消防施設工事 and has been ISO 9001 certified since 2000; installations include Pacifico Yokohama and the National Diet Library.

Sectors & projects
  • Healthcare
  • Public & civic
  • Heritage
  • Transport
  • Sport, leisure & culture
  • Mixed-use
  • Public & civic

    国立国会図書館

    Tokyo; Kyoto

    NN100, Halon 1301, CO2 and dry chemical fire suppression systems

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  • Sport, leisure & culture

    東京国立博物館

    Tokyo

    Halon 1301 and CO2 gas fire suppression systems

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  • Transport

    関西国際空港

    Osaka

    NN100 gas fire suppression system

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  • Sport, leisure & culture

    ES CON FIELD HOKKAIDO

    Kitahiroshima

    NN100 gas fire suppression system

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  • Healthcare

    武蔵野赤十字病院

    Tokyo

    NN100 gas fire suppression system

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  • Heritage

    中尊寺

    Hiraizumi

    Halon 1301 gas fire suppression system

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Projects as published on Koatsu's own website.

Specialisms
Offices
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