Heyco Conduit, Tubing & Fittings Heyco-Flex™ III Liquid Tight Conduit Fittings - Straight-Thru, NPT Hubs
Flex III Conduit Fitting

Material: Nylon 6/6

Certifications:

Certified to both Canadian and US Requirements File E121095

Flammability Rating: 94V-2

Material Temperature Index: 125°C (257°F)–Max. temperature on part not to exceed 105°C (221°F)

Ingress Protection Rating: IP 64

 
  • For use with Heyco-Flex™ III Corrugated tubing in trade sizes 3/8" through 1".
  • Non toxic 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. The installer simply pushes the tubing over the connector 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.)
  • Resists 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.
  • Supplied with locknuts; packed separately.
  • Patented.
Heyco-Flex III Liquid Tight Conduit Fittings
Straight-Thru, NPT Hubs
For Flexible, Nonmetallic Liquid Tight Tubing
Fits Tubing Trade Size Part
Number
Description Thread
Size
Part Dimensions (Optional)
O-Ring
Part No.
A
Clearance Hole
B
Max O.A Length
C
Thread Length
D
Wrenching Nut Thk.
E
Wrenching Flats
Black in. mm. in. mm. in. mm. in. mm. in. mm.
3/8 9146 HF3C 3/8 1/2 NPT   .875 22,2 1.72 43,7 .63 16,0 .20 5,1 1.16 29,5 1995
1/2 9147 HF3C 1/2
3/4 9148 HF3C 3/4 3/4 NPT 1.109 28,2 1.84 46,7 .63 16,0 1.36 34,5 1996
1 9149 HF3C 1 1 NPT 1.375 34,9 1.99 50,6 .78 19,8 1.62 41,1 1997

 
Sealing Washers

Material: Buna-N (Nitrile Rubber NBR)

Operating Temperature Range: -34°C to 100°C (-30°F to 212°F)

Maximum Temperature Rating: 121°C (250°F)

  • For use with Heyco-Flex™ Fittings mounted in non-threaded holes.
  • Liquid tight, dust tight and oil tight at enclosure.
  • Suitable for wet locations requiring a separate gasket between the fitting and enclosure.
  • Resistant to petroleum oil, mineral oil, and grease, diesel fuel, weak acids, alkali, and salt solutions.
 
Heyco® Thermoplastic Rubber O-Rings
Will Fit These
Electrical
Trade Sizes
Part
Number
Description Part Dimensions
A
Inside Diameter
B
Outside Diameter
C
Thickness
Black in. mm. in. mm. in. mm.
1/2 1995 ROR 1/2   .860 21,8 1.140 28,9 .140 3,5
3/4 1996 ROR 3/4 1.050 26,7 1.320 33,5
1 1997 ROR 1 1.300 32,9 1.570 39,9