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Heyco-Flex™ Quick Twist
Conduit Fittings

For use with Heyco-Flex™ I and II Conduit and Tubing

Straight-Thru, Snap-In and NPT Hubs

  • Part Numbers and Specifications
  • Features
FITS
TUBING
TRADE
SIZE
PART NO. DESCRIPTION PART DIMENSIONS CAD
A
Mounting
Hole Dia.
B
Overall
Length
C
Body
Length
D
E
Wrenching Nut
Thickness Flat Size
Black Black w/
Finishing
Collar*
Gray in. mm. in. mm. in. mm. in. mm. in. mm.

Snap-In Hubs - For use with Heyco-Flex™ II Tubing

1/4 8515 - 8516 HFC 1/4-S-twist .540 13,7 1.33 33,8 .34 8,7 .09 2,3 .75 19,0 CAD
3/8 8485 8485FC 8486 HFC 3/8-S-twist .875 22,2 1.38 35,0 .39 9,9 .09 2,3 1.00 25,4 CAD
1/2 8490 8490FC 8491 HFC 1/2-S-twist CAD
3/4 8495 8495FC 8496 HFC 3/4-S-twist 1.109 28,2 1.50 38,0 .39 9,9 .09 2,3 1.25 31,8 CAD

NPT Hubs - For use with Heyco-Flex™ I and II Conduit and Tubing

1/4 8517 - 8518 HFC 1/4-Twist .540 13,7 1.56 39,6 .47 11,8 .20 5,1 .75 19,1 CAD
3/8 8487 8487FC 8488 HFC 3/8-Twist .875 22,2 1.72 43,7 .63 15,9 .20 5,1 1.18 30,0 CAD
1/2 8493 8493FC 8494 HFC 1/2-Twist CAD
3/4 8497 8497FC 8498 HFC 3/4-Twist 1.109 28,2 1.84 46,7 .63 15,9 .20 5,1 1.37 34,8 CAD

Standard colors black and gray.
*Collar not assembled.

  • One-piece solution with smooth internal surfaces provides for easier wire routing, protection, and installation.
  • Easy permanent assembly: the installer twists the tubing over the connector ferrule.
  • Unique locking fingers accommodate various panel thicknesses.
  • All nylon construction is resistant to salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. (This feature is not assessed by UL certification and testing.)
  • Suitable for a wide array of electrical applications:
    • Commercial and Industrial HVAC Systems
    • Motorized Equipment
    • Enclosed Power Sources
    • Garage Door Openers
    • Major Appliances
  • Finishing collars available to neaten rough cut tubing ends.
  • Assembly Tool available for assembling Quick Twist Fittings into HF1 and HF2 Conduit and Tubing.

Snap-in Hubs

  • Snap-in Fittings are UL recognized for use with Heyco-Flex II Tubing.
  • Suitable for dry location only.

NPT Hubs

  • NPT threaded fittings are UL approved for use with Heyco-Flex I & II Conduit and Tubing.
  • If using a tapped hole, Teflon® tape is needed onthethreads of the connector, for all other applications an O-ring and Locknut are needed to attain liquid tight.

  • Locknuts not included. To order nylon or metal locknuts separately, See metal locknuts: NPT, PG, and Metric and Nylon locknuts: NPT, PG, and Metric.
  • Click here for O-Rings.

 

QuickSpecs

Material   Nylon 6/6
Certifications Recognized under the Component Program of Underwriters' Laboratories File E121095 (Snap-in Hubs)
  UL Listed under Underwriters' Laboratories File E28430
Flammability Rating   94V-2
Temperature Range   -22°F (-30°C) to 221°F (-105°C)
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