Aluminum Threaded

Reverse-threaded aluminum coupler. Tapered threads accommodate a wide range of conduit ODs within a given conduit size. Also available in a Riser/Plenum rated version.
Reverse-threaded aluminum coupler. Tapered threads accommodate a wide range of conduit ODs within a given conduit size. Also available in a Riser/Plenum rated version.

Features

  • Self-threading, which draws each end of the conduit into the center of the coupler
  • Not air-tight or water-tight
  • Threads may reduce conduit ID
  • Wide tolerance 'universal' versions available for many corrugated duct sizes
  • The Riser/Plenum versions are approved for use in both Riser and Plenum applications – Riser UL 1666 & Plenum UL 2024
Aluminum Threaded

Technical Specifications

Select Coupler Type

Corrugated
Corrugated
Riser-Plenum
Straight
Part # Description OD Working Range (in) Packaging BABA Compliant
20003141 1" Aluminum Coupler - Universal 1.160 - 1.410 Each Yes
20001853 1 1/4" Aluminum Coupler - Universal 1.495 - 1.700 Each Yes
20003897 1 1/2" Aluminum Coupler - Universal 1.800 - 1.960 Each Yes
20002865 2" Aluminum Coupler - Universal 2.310 - 2.450 Each Yes
20004535 3/4" Riser/Plenum Aluminum Coupler 0.996 - 1.026 Each Yes
20004539 1" Riser/Plenum Aluminum Coupler 1.410 - 1.440 Each Yes
20005397 1 1/4" Riser/Plenum Aluminum Coupler 1.620 - 1.650 Each Yes
20005398 1 1/2" Riser/Plenum Aluminum Coupler 1.860 - 1.890 Each Yes
20005399 2" Riser/Plenum Aluminum Coupler 2.465 - 2.495 Each Yes
20005827 1" Aluminum Coupler 1.295 - 1.335 Each -
20005828 1 1/4" Aluminum Coupler 1.640 - 1.680 Each -
20005829 1 1/2" Aluminum Coupler 1.880 - 1.920 Each -
20005830 2" Aluminum Coupler 2.355 - 2.395 Each -

Downloads

Other couplers

Want a better connection with Dura-Line?

Ask a question or email us a comment! We're happy to supply additional information and would love to explore how we can be of service to you.

Contact us

Want a better connection with Dura-Line?

Ask a question or email us a comment! We're happy to supply additional information and would love to explore how we can be of service to you.

Contact us