Insulated rectangular ducts from spiral pipe of texas are available with the following transverse connector options.
Double wall insulated grease duct.
Captiveaire s single wall double wall grease duct are factory welded for ease of installation and superior performance to traditional site welded ductwork.
Stainless steel cylindrical construction for superior strength at much higher temperatures versus rectangular carbon steel field fabricated systems.
Double wall exhaust systems insulated exhaust systems made of stainless steel.
Ul listed requires no welding single wall reduced clearance.
Double wall duct and fittings can reduce radiated noise by 25 db or more compared with fiberglass duct board and by 30 db or more com pared with insulated flexible duct.
Ul1978 ul2221 limited lifetime warranty.
Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies.
Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662.
The duct sections shall be constructed of an inner duct wall and an outer wall with insulation in between.
S drive internally lined rectangular duct only t 1 drive slips with either t 6 hemmed s slips t 11 standing s or t 13 standing s internally lined duct only not recommended for double wall.
Factory built for high quality durability ease of installation and long life.
Models ps and ips are double wall modular positive pressure venting systems features benefits.
Conical kl silicone and gasket free joining push fit systems.
Factory built grease duct systems.
Double wall kitchen exhaust vent 2 ceramic insulated metal fab grease duct products are manufactured in a strictly controlled environment that enhances product precision reliability and safety.
Ul1978 and double wall zero clearance.
Duct requires no on site welding and is leak tested at the factory for quality assurance.
The inner duct wall shall be constructed of 036 inch thick 430 type stainless steel and be.
Hoodmart 12 ductwork double wall grease duct accessories.
Double wall grease duct.
Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.
Double wall grease ducts are listed for a continuous internal temperature of 500 degrees f and intermittent temperatures of 2000 degrees f.
Grease duct systems for commercial kitchen s cooking areas.
2g grease duct systems are tested and listed to ul 1978 and ul 2221.
