Heyco Products

Liquid Tight Tubing, Electrical Conduits & Nylon Conduit Fittings
Right Angle Fittings PG | Right Angle Fittings NPT | Flex I-Fittings | Flex II-Tubings | Flex V-Slit Tubing | FlexNylon Snap-In | FlexNylon Straight | FlexNylon Sweep | Flex III Halogen Free Straight | Flex IV Nylon Straight/Snap-In | Flex Mounting Brackets/Knock-Out Seals | Sealing Washers | Liquid Tight Straight-Thru Fittings | Liquid Tight Straight-Thru Fittings For Flexible Cords | Liquid Tight Pigtail Fittings | Liquid Tight Pigtail Fittings For Flexible Cords | Steel Straight Connectors - PG Thread Caps | Metal Cord Grip Fittings | PG Hub Liquid Tight Fittings - Labkit | Straight Quick Twist Connector (snap and NPT threaded) |
Sweep Quick Twist Connector (snap and NPT threaded)

UL Type B Flexible, Nonmetallic Liquid Tight Conduit
Heyco-Flex™ I Liquid Tight Fittings

Heyco-Flex™ I Liquid Tight Fittings UL Type B Flexible, Nonmetallic Liquid Tight Conduit
  • 3/8" thru 2" trade nylon fastener sizes.
  • Use with Nylon Heyco fasteners, Nylon -Flex fastener - Snap-in, Straight or Sweep.
  • May also be used with Heyco's Steel and Die Cast Nylon fasteners for Liquid Tight Conduit.
  • Nylon flex fastener resists corrosion, abrasion, oil, water, acid, metal shavings, and rough environments.
  • Nylon fastener resists abuse, pull, and crushing.
  • Nylon fastener temperature ratings: From -18°C (0°F) to 80°C (176°F) DRY. 70°C (160°F) OIL resistance. Up to 60°C (140°F) WET locations.
  • Passes submersion test of 70 PSI.
  • Nylon flex fastener mounting brackets are available.
  • Nylon fasteners have a smooth inside for easier wire pulling; no hazardous sharp edges or burrs; will not damage conductors.
  • Nylon fasteners are light weight and have lower installed cost.
  • Quick installation; nylon fastener cuts with utility knife or PVC cutter.
  • Integral rigid and flexible PVC construction.
  • Nylon flex fasteners are suitable for indoor/outdoor use:
    HVAC Equipment
    Machine Tools
    Marine Equipment
    Motors and Controls
    Printing Equipment
    Pumps
    Refrigeration Equipment
  • Order part No. 8340, VF-28 Cutting Tool, for cutting HEYCO - Flex I Conduit and Heyco -Flex II, III & IV tubing cleanly and evenly.
  • Nylon flex fasteners are approved for direct burial
  • Order Part No. 8340, VF-28 Cutting Tool, for cutting HEYCO-Flex I Conduit and Heyco-Flex II, III & IV tubing cleanly and evenly.
  • Approved for direct burial
Swipe
  A A B B
Trade   UL/CSA Outside Diameter Inside Diameter
Size Part No. Description in mm in mm
3/8 8430 HF1-3/8 .700 17.8 .494 12.5
1/2 8431 HF1-1/2 .830 21.1 .632 16.1
3/4 8432 HF1 3/4 1.040 26.4 .830 21.1
1 8433 HF1 1 1.303 33.1 1.054 26.8
1-1/4 8434 HF1 1-1/4 1.645 41.8 1.395 35.4
1-1/2 8435 HF1 1-1/2 1.882 47.8 1.588 40.3
2 8436 HF1 2 2.358 59.9 2.032 51.6

UL Type B Flexible, Nonmetallic Liquid Tight Conduit

Use Nylon Heyco-Flex Mounting Brackets to securely fasten conduit into place.