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Ductwork & Ducting Systems

Harrison Machine & Plastic offers a complete line of round ducting from 2" to 60" and custom rectangular or square ductwork from 6" x 8" up to 30" x 96", and a complete range of fabricated duct fittings for your fume exhaust handling system. Pipe Fittings are available as socket/belled, flanged (drilled/undrilled), or plain end. Harrison can manufacture just about any square to round transition combination.

Our design and fabrication follows SMACNA guidelines or customer specifications. These guidelines and our 38 years of experience, allows our team to design and fabricate your duct system from a wide range of materials including:

  • PVC Superduct®
  • Corzan® CPVC
  • Polypropylene (PP)
  • Kynar (PVDF)

Corzan® CPVC and our Superduct® PVC pipe is extruded thru 24" and fabricated thru 60". Extruded seamless pipe is available in 10' or 20' lengths or 4' fabricated lengths.

Support your duct system with Harrison's innovative support brackets.

We can pre-build your duct system into larger sections, reducing field installation costs. Socket, Flanged, or plain end sections available.

Harrison PVC Ductwork Support Bracket Harrison PVC Ductwork Support Bracket Harrison Superduct® PVC Ducting Harrison Superduct® PVC Ducting Harrison Superduct® PVC Ducting Harrison Superduct® PVC Ducting Harrison Superduct® PVC Ducting Harrison Superduct® PVC Ductwork Harrison PVC Superduct® Ductwork Harrison PVC Square Ductwork Harrison PVC Ductwork