All Dura-Line's smooth wall conduit meets or exceeds one or more of the following specifications: ASTM F-2160, ASTM D-3035, ASTM D-2239, ASTM D-3485, NEMA TC-7, UL 651, UL 1990, Bellcore GR-356
- Smooth inner and outer walls
- Co-extruded with SILICORE lining for longer cable pulls and higher speed jetting
- Continuous lengths/long reels reduce cost from joins
- 1/2" to 6" Sizes available
- Multiple Colors, with or without stripes
- Direct burial/open trench installation or HDD (horizontal directional drilling)
- Cable jetting
Smooth Wall innerduct is often used in telecommunications, electrical, industrial, municipal, and wind farm operations. UL Listed Smooth Wall Innerduct is also available.
Chapman Electric stocks most smooth wall HDPE pipe and has expert staff on hand to help you with your questions and order. Contact us or request a quote for pricing based on your needs.