Duct Work Engineering, Design and Fabrication of 119″ Expansion Joints, Duct Work and Supports Engineering, Design and Fabrication of 119″ Expansion Joints, Duct Work and Supports 78 Inch Fabric Expansion Joint and Duct Work Assembly with a 90° Elbow for a Sulphuric Acid Plant 90″ Dia. Duct Work Designed for an Ammonia Plant in Louisiana 84″ Diameter Duct Work Designed for a Sulfuric Acid Plant 84″ Diameter Duct Work Designed for a Sulfuric Acid Plant 102″ Dia. Single Hinged Expansion Joint and Duct Work Assembly and Two 92″ Single Expansion Joints Duct Work Custom Designed with Turning Vanes 84″ Diameter Duct Work Designed for a Sulfuric Acid Plant Stainless Steel Duct Work during fabrication Hinged Universal Expansion Joint and Duct Work Assembly Custom Designed for an Exhaust Duct Application stainless steel duct work U.S. Bellows, Inc. Designed and Fabricated 60″ Ductwork with Spring Supports, Snubbers, a Support Cradle and a Fabric Expansion Joint for a Sulfuric Acid Plant in Texas Duct Work for Absorbing Tower Piping in an Acid Plant Duct Work for Absorbing Tower Piping in an Acid Plant Duct Work and Expansion Joint Assembly Custom Designed by U.S. Bellows for an Oil Refinery in California Large diameter duct work for ammonia plant Large diameter duct work for ammonia plant 78 inch duct work for a sulphuric acid plant Large diamter duct work during fabrication Large carbon steel duct work 96 inch diameter duct work being shipped 66 inch duct work Stainless steel elbow duct work duct work for pressure balanced expansion joint 96 inch duct work for pressure balanced expansion joint carbon steel duct work stainless steel duct work carbon steel duct work ready for shipping 72 inch elbow duct work being prepared for shipping refractory lined duct work