Grease duct is ideal for use in kitchen ventilation applications where clearance to combustibles and temperature retention in the duct is not a factor.
Black iron grease duct.
Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies.
Whatever a project needs airside can help you meet your ductwork and metal fabrication needs.
Grease duct is 16 gauge black iron or 18 gauge stainless steel no screws all seams welded liquidtite.
Welded black iron grease ducts started with field wrapped welded black iron and transitioned to factory built where head room opened up advantages of factory built grease ducts vs.
It also measures the enclosure s effect on the grease duct.
In addition these requirements evaluate the effectiveness of the combination of the grease duct and the enclosure as a fi re rated system and as a thorough penetration fi restop system.
We take special pride in fabricating this type of ductwork knowing the safety requirements and hazards in venting these types of fumes.
Duct diameters range from 8 to 24 with multiple lengths and accessories available.
Tested and listed by intertek to standards astm e 2336 and ul 1978 per icc ac 101 2 a galvanized bolt together grease duct system eliminates conventional black iron welded system simplifies and speeds up field installation.
Black iron welded grease duct custom fabricated for a kitchen hood.
Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662.
System needs to be engineered.
Welded black iron grease duct is designed and created to vent grease laden vapors from commercial cooking equipment to outside the building safely.
Grease duct is etl listed single wall construction made from stainless steel.
Captiveaire s single wall double wall grease duct are factory welded for ease of installation and superior performance to traditional site welded ductwork.
At airside sheet metal fabricators inc.
Welded black iron grease duct.
Advantages of factory built grease ducts vs.
Preferred design the rectangular on site welded grease duct remains the.
Clearances are 18 from combustibles and 3 from gypsum.
Space restrictions required this exhaust duct to be rolled and welded looking much like the flat oval spiral ductwork airside manufactures.
Ul 1978 listed easy to install sandwich design with no special tools required.
