Double Wall Stainless Steel Grease Duct

Designed with a rigid 304 or 316 stainless steel flue that incorporates an innovative flanged design for easy assembly sealed with a high temperature silicone sealant.

Double wall stainless steel grease duct.

All pipe models are ul 1978 grease duct rated to their relative clearance to combustibles single wall double wall air or blanket insulated. Hoodmart 12 ductwork double wall grease duct accessories. Inner liner made of high grade astm 316l stainless steel. Not only has this patented ul 2221 classified product been tested for zero clearance to combustibles it eliminates the need for a fire rated chase with its 2 hour fire rating.

The duct sections shall be constructed of an inner duct wall and an outer wall with insulation in between. Double wall stainless steel exhaust systems chimneys made of stainless steel with high quality insulation material available in different designs materials and colors. Grease duct grease duct is etl listed single wall construction made from stainless steel. Ul1978 ul2221 limited lifetime warranty.

4 double wall round duct and fittings are also available in carbon steel paintable galvanized steel types 304 and 316 stainless steel and type 3003 h14 aluminum. Ul listed requires no welding single wall reduced clearance. The inner duct wall shall be constructed of 036 inch thick 430 type stainless steel and be available in diameters 8 through 36. Grease duct integral fire rated chase.

Dwfl zc ul 2221 zero clearance fire rated grease duct. Inner 6 through 36 0 035 thick outer 6 through 24 0 025 thick 26 through 36 0 035 thick inner diameter. Ul1978 and double wall zero clearance. Product features etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies duct sections are constructed of an inner wall and outer wall with insulation in between inner duct is single wall dw series and outer shell is stainless steel inner duct diameters range from 5 to 36.

5uni coat double wall round duct and fittings polyvinyl chloride coated galvanized steel are available on special order. Our prefabricated double wall round grease ducts are designed and built for vertical runs and don t require field welding or secondary insulation. 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 duct systems especially designed for pizza ovens.

Psw grease duct is tested and listed to ul 1978. Factory built grease duct systems. Duct diameters range from 5 to 36 with multiple lengths and accessories available. Double wall grease ducts are listed for a continuous internal temperature of 500 degrees f and intermittent temperatures of 2000 degrees f.

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