Double wall grease ducts are listed for a continuous internal temperature of 500 degrees f and intermittent temperatures of 2000 degrees f.
Captive aire double wall grease duct.
The duct sections shall be constructed of an inner duct wall and an outer wall with insulation in between.
Captiveaire s single wall double wall grease duct are factory welded for ease of installation and superior performance to traditional site welded ductwork.
Grease duct is ideal for use in kitchen ventilation applications where clearance to combustibles and temperature retention in the duct is not a factor.
Grease ducts double wall grease ducts are listed for a continuous internal temperature of 500 f and intermittent temperatures of 2000 f.
This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized consensus u s.
Single wall duct ceiling support.
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Product safety standard that the manufacturing site has been audited and that the applicant has agreed to a program of periodic factory follow up inspections to verify continued performance.
Published on apr 16 2020 captiveaire s factory built listed double wall grease ductwork is ideal for use in applications where clearance to combustibles is needed.
Duct diameters range from 8 to 24 with multiple lengths and accessories available.
Double wall grease duct is ideally suited for use in commercial cooking installations for the removal of smoke and grease laden vapors.
Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662.
Grease duct system size and capacity.
Products shall be etl listed to ul 1978 and ul 2221 for venting air and grease vapors from commercial cooking operation.
Grease duct is etl listed single wall construction made from stainless steel.
Our insulated ductwork is easy.
The double wall ductwork series has been certified by ul.
The inner duct wall shall be constructed of 036 inch thick 430 type stainless steel and be available in diameters 8 through 36.
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Duct access door insulation instructions.