Welding Black Iron Grease Duct

Grease duct specification furnish single wall factory built grease duct for use with type i kitchen hoods which conforms to the requirements of nfpa 96.

Welding black iron grease duct.

View all grease duct access doors ductmate grease duct access doors flame gard grease duct access doors omni grease duct access doors general air duct access doors access door accessories. We take special pride in fabricating this type of ductwork knowing the safety requirements and hazards in venting these types of fumes. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Duct diameters range from 8 to 24 with multiple lengths and accessories available.

Products shall be etl listed to ul 1978 and can ulc s662 for venting air and grease vapors from commercial cooking operations as described in nfpa 96. Welded black iron grease ducts nfpa 96 makes exception for factory built slope to. At airside sheet metal fabricators inc. Requires no on site cutting or welding.

Grease duct is ideal for use in kitchen ventilation applications where clearance to combustibles and temperature retention in the duct is. Fabricate and weld entire new duct system in place wait for inspection of welded duct apply insulation wrap layer. 10 x 6 ductmate ultimate access door black iron. Grease duct is etl listed single wall construction made from stainless steel.

The duct to which these flanges are attached is available in sizes 3 and up and also in black iron galvanized or ss. Black iron 10 x 6 ductmate ultimate access door black iron. Also rectangular vents are constructed with porous carbon steel which can absorb grease as it passes through the duct. Verifi cation that on site welding is done properly.

Further the rectangular shape impedes air fl ow. Construction methods range from laser welded pipe and mechanically lock elbows in lighter gauges to fully welded product in heavy gauge even up to 1 4 all depending upon the application. Gases being vented through the duct typically move. Single wall or zero clearance fire rated flexible duct wrap.

Rectangular welded black iron only has 2. Substandard welds can increase the risk of a grease duct fi re.