Langdon, Inc.
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spiral ductwork
20 Gauge Type 3003 Aluminum Corrugated Spiral Ductwork and Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
Damper
18 Gauge Aluminized Butterfly Damper with slip connection. Aluminized Definition– A steel sheet coated on both sides with aluminum-silicon alloy. Has the appearance of aluminum with the strength of steel. More resistant to heat than either uncoated steel or solid aluminum. Withstands temperatures to 1250 degrees F.
Aluminum Fittings
20 Gauge Type 3003 Aluminum Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral ductwork
20 Gauge Type 3003 Aluminum Spiral Ductwork with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral fittings
20 Gauge Type 3003 Aluminum Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral duct
22 Gauge Type 3003 Aluminum Spiral Ductwork with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
Spiral Fittings
20 Gauge Type 3003 Aluminum Spiral Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
Corrugated Spiral Ductwork
22 Gauge Type 3003 Aluminum Corrugated Spiral Ductwork with Rectangular Taps and slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral duct
20 Gauge Type 3003 Aluminum Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
Volume Dampers
22 Gauge Type 3003 Aluminum Volume Dampers with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral ductwork
22 Gauge Type 3003 Aluminum Corrugated Spiral Ductwork with Rectangular Taps and slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral duct
20 Gauge Type 3003 Aluminum Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.
spiral fittings
20 Gauge Type 3003 Aluminum Spiral Fittings with slip connection. Aluminum 3003 Definition – General purpose alloy for moderate strength applications. 20% strength increase over 1100 with same good forming, weld ability and corrosion resistance. Used for general sheet metal work.

  • Home
  • Rectangular Ductwork
  • Spiral / Round Ductwork
  • Specialty Welded
  • Sure•Clamp™ Access
  • Catalog
  • Submittals
  • About Us
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