Founded in 1968, PolyFab provides custom engineered plastic fabrications.

We work with many materials and specialize in clear plastics.

Some of the applications we have made include:

  • Large graduated cylinders
  • Architectural formed pieces
  • LEXAN® Tanks and waterbaths
  • Clear PVC and acrylic assemblies
  • Laboratory splash guards and custom trays for all industries
  • Plastic flooring and secondary containment basins
  • Custom PVC, CPVC, polypropylene and HDPE duct work
  • Fume hoods made from any weldable plastic material
  • Marine fresh, gray, and black water tanks
  • Custom polypro and HDPE tanks for chemical storage and treatment
  • Machined polyethylene fittings
  • Routed plastic and wood signs

Click on the navigation to the left for specific product photos, and along the top for application-specific photos and information. We look forward to being of service to you!

HDPE Duct

 

HDPE smooth pipe is available in different diameters, wall thickness, physical and chemical properties. There is significant variability in commonly available materials. It is very important that it has satisfactory properties for handling, storage, installation and durability for the application. The color is normally black from a small amount of carbon in the material, to protect against degradation from ultraviolet light. The wall thickness, diameter and physical strength (Hydrostatic Design Basis) should be sufficient to initially withstand grouting pressures. In the long term it should not deteriorate or split. The requirements should be in accordance with AASHTO LRFD Bridge Construction Specifications.

All duct splices, joints and connections to anchorages should be made with couplings and connectors that produce a smooth interior duct alignment with no lips or kinks. Special duct connectors may be used in match-cast joints between precast segments and similar situations if necessary to create a continuous, air and water-tight seal. duct tape should not be used to join or repair ducts or make connections.

 

Credit: HDPE Duct

 

HDPE DuctPlease Contact Us to discuss your HDPE Duct needs. You design it, we build it.

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