Hazardous Location Duct

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Description

Hazardous Location Duct is specialized to conduct static charges away from the airflow.  Static buildup could create a spark that would compromise safety in explosive environments.

This duct comes with a built-in, easy to carry bag and can be attached to other duct as an extension by simply tightening the belted cuff.  This quick and easy process doubles the length of the duct without use of adapters that take up space, get lost, and take up time to install.

The duct consists of graphite fibers that conduct any charge that could build-up as a result of the airflow. Airflow through the standard duct builds up static charges much in the same way as walking across carpet does.

The special clip on the end of the duct must be connected to a grounding post that carries the charge back to earth ground – usually this is accomplished through the ground plug of the electric motor.

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Features
  • Material – Single ply neoprene impregnated polyester -UL94-V-O Flame Retardancy, NFPA701, California T-19
  • Structure – Class 1 Steel Spring Wire Helix (ASTM 227)
  • Wearstrips – Heavy duty vinyl with self adhesive neoprene backing, APX 25-27 oz Sq/Yd. Abrasion Resistance of 18,000 cycles from H-22 wheel with 1000 gram load (FSTM 191 Method 5306)
  • Conductivity – Rated to 100,000 ohms or less per square inch
  • Length – 20 ft – custom sizes available
  • Grounding – Product should be grounded on each end, with a solid means of connection. Grounding this product on one only will still provide a safe positive means of discharging static build-up.
  • For use with smoke ejectors, please see the duct adapter.
Model Diameter Length
12x20HZ1 12″ – 305mm 20 ft – 6.1m
16x20HZ1 16″ – 406mm 20 ft – 6.1m
20x20HZ1 20″ – 508mm 20 ft – 6.1m
24x20HZ1 24″ – 610mm 20 ft – 6.1m