Double Wall Insulated Grease Duct

Ul1978 and double wall zero clearance.

Double wall insulated grease duct.

Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct. Duct requires no on site welding and is leak tested at the factory for quality assurance. Stainless steel cylindrical construction for superior strength at much higher temperatures versus rectangular carbon steel field fabricated 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.

Double wall grease duct. Models ps and ips are double wall modular positive pressure venting systems features benefits. Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies. The inner duct wall shall be constructed of 036 inch thick 430 type stainless steel and be.

Double wall exhaust systems insulated exhaust systems made of stainless steel. Ul1978 ul2221 limited lifetime warranty. Insulated rectangular ducts from spiral pipe of texas are available with the following transverse connector options. Grease duct systems for commercial kitchen s cooking areas.

Conical kl silicone and gasket free joining push fit systems. Double wall factory built grease duct is ideal for use in applications where reduced clearance or zero inch clearance to combustibles is needed. The duct sections shall be constructed of an inner duct wall and an outer wall with insulation in between. 2g grease duct systems are tested and listed to ul 1978 and ul 2221.

Ul listed requires no welding single wall reduced clearance. Factory built for high quality durability ease of installation and long life. Captiveaire s single wall double wall grease duct are factory welded for ease of installation and superior performance to traditional site welded ductwork. Hoodmart 12 ductwork double wall grease duct accessories.

Double wall grease ducts are listed for a continuous internal temperature of 500 degrees f and intermittent temperatures of 2000 degrees f. Zero clearance grease duct models z3 z4 are additionally ul 2221 rated to zero clearance to combustibles and have an integral 2 hour fire rated enclosure not requiring a separate fire rated shaft. Factory built grease duct systems. Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662.