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Grease duct

From Simple English Wikipedia, the free encyclopedia
Grease duct exhaust fan.

A grease duct is a duct that vents flammable vapors from commercial cooking equipment such as stoves and deep fryers to the outside of the building. It will normally be connected to an exhaust fan.

Fire hazard

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Vapors are created when grease is heated to and beyond its vaporization point. When it cools, the grease will condense on colder surfaces. Grease is a flammable hydrocarbon.

In many places, they will be constructed out of stainless-steel ductwork connected through a series of air filters which will be pulled by a fan and exhausted outside. They will also often have some form of fire damper in this ductwork connected to the fire alarm system. [1]

Maintenance and cleaning

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These systems must be cleaned sometimes. Many will have certificates issued by the cleaning[2] and maintenance contractors.[3]

Problems with hoods that are not taken care of include poor ventilation, excess heat and smoke, and the potential risk of fires.[4][5]

References

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  1. "Optimizing Your Commercial Kitchen's Exhaust Duct Ventilation System". Total Food Service. 18 April 2018. Retrieved 21 June 2023.
  2. "Carpet Cleaning | Upholstery Cleaning - PowerPro". Retrieved 2023-12-26.
  3. "Hood Repair & Clean". Sunday, 2 May 2021
  4. "Kitchen Exhaust Cleaning - Carolina Filters, Inc". www.carolinafilters.com. Archived from the original on 2017-07-21. Retrieved 2016-01-08.
  5. "Duct Cleaning".

Other websites

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