Heyco-Flex™ III Liquid Tight Fittings (90° Sweep, NPT Hubs)
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Heyco-Flex™ III Liquid Tight Fittings (90° Sweep, NPT Hubs)


  • For use with Heyco-Flex III Corrugated Tubing in trade sizes 3/8˝ through 1˝.
  • Nontoxic and UV resistant.
  • Rated for NEMA 4 and 4X applications when used with Heyco-Flex III Tubing. • Rated for NEMA Type 3R applications.
  • Easy, permanent assembly between the tubing and fittings: push the tubing over the fitting ferrule until the tubing clicks into place.
  • Lightweight and lower installed cost.
  • Quick and easy installation.
  • Suitable for use in high vibration or flexing applications (automotive equipment, fiber optics, computer and peripherals, lab equipment, robotics, etc.).
  • Resist salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. This feature is not assessed by UL certification or testing.
  • For use in both wet and dry applications.
  • If using a tapped hole, Teflon® tape is needed on the threads of the connector, for all other applications an O-ring and Locknut are needed to attain liquid tight.
  • Use of an O-ring may be required for a complete liquid tight system with a non-threaded mounting hole.
  • Locknuts included with Straight-Thru fittings.
  • To order metal or nylon locknuts separately.

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