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Heyco-Flex™ III Liquid Tight Tubing
 Features

Flexible, Nonmetallic Liquid Tight Electrical Tubing

  • Resists corrosion, oil, and water.
  • Maximum flexibility can be used in extremely tight quarters.
  • Easy, permanent assembly between the tubing and fittings: push the tubing over the fitting ferrule until the tubing “clicks” into place.
  • No threading of the tubing required to install. This eliminates the possibility of cutting the tubing and creating leak paths.
  • Flame retardant, won’t burn.
  • Nontoxic and UV resistant.
  • For use in both wet and dry applications.
  • Rated for Type 3R applications.
  • 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.).
  • Maximum flexibility, can be used in extremely tight quarters. Bend radius of Heyco-Flex III is equal to its outside diameter.
  • Mounting brackets are available,
  • Order Part No. 8340, VF-28 Cutting Tool, for cutting Heyco-Flex Tubing cleanly and evenly.
Material Halogen Free Nylon 6
Certifications Recognized under Underwriters Laboratories File #121095
Certified to both Canadian and U.S. Requirements
Flammability Rating 94V-0
Temperature Rating -.04°F (-18°C) to 221°F (105°C)
Heyco-Flex™ III Liquid Tight Tubing
Flexible, Nonmetallic Liquid Tight Electrical Tubing		 Specifications
Trade Size Part No. Description Part Dimensions Standard Coil Length CAD
A B ft/coil
Outside Diameter Inside Diameter
in. mm. in. mm.
3/8 8478 HF3 3/8 FR 0.710 18,0 0.514 13,1 100
1/2 8479 HF3 1/2 FR 0.850 21,6 0.651 16,5 100
3/4 8480 HF3 3/4 FR 1.116 28,3 0.865 22,0 100
1 8481 HF3 1 FR 1.350 34,3 1.103 28,0 100






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