Miscellaneous Products Inlet Air Stacks Designed for 25 psig at 100°F ( 20″ dia., 624″ Long, 4,395 lb.) Flue Gas Duct Damper Designed for an Ammonia Plant 58 Large Diameter Floating Rings for a Refinery in Saudi Arabia 5,000 lb . Air Intake Stack A-36 Carbon Steel ( 11′ x 5′ x 8′ ) Flue Gas Duct Damper Fabricated with Inconel® & 304 Stainless Steel 300 lb. Damper Galvanized Carbon Steel ( 73.5″ x 20.5″ x 7.5″ ) Inconel wire brush Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield Protective shield (12) Bullet proof shield Bullet proof shield Bullet proof shield Screen covers Screen covers Screen covers Screen covers Screen covers Screen covers Screen covers Screen covers Screen covers Screen covers (2) Vessel support (2) Vessel support (3) Vessel support Still wells splash guard Still wells splash guard (2)