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Rooftop ventilation fan for natural ventilation D/HD/B

Especially ideal for places that do not require forced ventilation or have minimal inflow of outside air!

Rooftop Ventilation Fan for Hazardous Material Storage Natural Ventilation " (S)D/(S)HD/(S)B" is a natural ventilation system, which means it operates silently without the need for electricity, requires no repairs or replacements after installation, and can be used for a long time. It can be used in areas where a large amount of water vapor is generated and where motor use is not possible. It has a robust structure that prevents rain and wind from entering. The main body is made of Galvalume steel, which has excellent weather resistance. Stainless steel and aluminum options are also available. (Type B is available only in Galvalume steel and stainless steel.) We can manufacture dimensions other than the standard specifications according to various applications and locations upon request. For more details, please contact us or refer to the catalog.

Related Link - http://www.sanwaventi.co.jp/fan/d_hd_b.html

basic information

【Features】 ○ Natural ventilation method with no noise ○ No power required, no need for repairs or replacements after installation ○ Usable for a long period ○ Capable of operating in areas where a large amount of water vapor is generated and where motor use is impossible ○ Sturdy structure that prevents rain and wind from entering ○ The main body is made of Galvalume steel, which has excellent weather resistance ○ Stainless steel and aluminum options are also available → Type B is available only in Galvalume steel and stainless steel ○ Custom dimensions beyond standard specifications can be manufactured according to various applications and locations. 【Product Lineup】 ○ Type D: Fixed type ○ Type HD: Fixed type ○ Type B: Rotating type ● For more details, please contact us or refer to the catalog.

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Applications/Examples of results

【Usage】 ○ Particularly suitable for places that do not require forced ventilation or where there is little inflow of outside air, or when used in combination with forced air supply. ● For more details, please contact us or refer to the catalog.

Natural ventilation for hazardous material storage " (S)D/(S)HD/(S)B"

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