Commercial Kitchen Exhaust Duct Sizing

Minimum duct size of 4 recommended duct size of 6.

Commercial kitchen exhaust duct sizing.

A duct cross sectional area m 2 q air flow rate m 3 s v air speed m s alternatively in imperial units. Please fill out the following form and we will contact you soon. This design guide reviews the fundamentals of kitchen. Sizes of ducts are then given by the continuity equation like.

Ommercial kitchen design professionals were concerned that the minimum exhaust air ductwork velocity of 1 500 fpm 7 62 m s as required by the national fire protection association nfpa 96 1 was too restrictive. View the kitchen exhaust duct sizing chart below to determine your ductwork diameter based on range hood cfm. The information presented is applicable to new construction and in many instances retrofit construction. Ashrae tech nical committee 5 10 kitchen ventilation sponsored and provided project guidance for a recently completed research.

Essentially 10 feet of open flame wok cookers will need significantly more exhaust than the standard equipment of a range griddle fryer etc. Minimum duct size of 6 recommended duct size of 8. A duct cross sectional area sq in. Selecting sizing exhaust hoods is the first design guide in a series that will help you achieve optimum performance and energy efficiency in your commercial kitchen ventilation system.

Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators. A q v 1 where. Are you interested in representing captiveaire and selling our products. Note that not both exhaust fans are required for hood exhaust.

Read on to determine how to size your exhaust and supply fans. A i 144 q i v i 1b where. Kitchen exhaust grease duct. Minimum duct size of 7 recommended duct size of 8 10.