“Stay Connected”
with
®
Liquid Tight Conduit, Tubing & Fittings
Heyco-Flex Liquid Tight Conduit Fittings
™
For Flexible, Nonmetallic Liquid Tight Heyco-Flex
™
I Conduit and Heyco-Flex
™
II Tubing
Straight-Thru, NPT Hubs
•
No disassembly required. Instead,
the installer simply pushes the
conduit or tubing onto the ferrule,
then tightens the domed sealing nut.
This completed assembly can then
be secured in the panel by the
locknut or into an NPT threaded hole.
•
Convex ferrule ensures liquid tight seal.
•
No threading of the conduit or tubing
is required to install. This eliminates
the possibility of cutting the conduit
and creating leak paths.
•
Complete conduit/connector system
is reusable. Conduit will not wind
tight onto the connector during
assembly and can be easily removed
by pulling while turning in a
clockwise direction.
•
Multiple sizes for use with
Heyco-Flex Conduit and Tubing.
See pages 2-7 and 2-8.
•
Suitable for indoor/outdoor use; for
original equipment manufacturers or
field installers.
•
Use of a sealing washer may be
required for wet locations.
See page 2-19.
•
All nylon construction resists salt
water, weak acids, gasoline, alcohol,
oil, grease, and common solvents.
(This feature is not assessed by UL
certification and testing.)
•
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.
•
Black connectors up to 1˝ provided
with nylon locknut, packed separately.
O-ring sold separately, see page 2-20.
•
Black connectors larger than 1˝ and
all gray connectors provided with
assembled O-ring and metal locknuts.
•
See pages 2-17 and 2-18 for locknuts.
FITS
PART NO. DESCRIPTION
CONDUIT/
TUBING
TRADE Black Gray
SIZE
1/4
3/8
1/2
3/4
1
1-1/4
1-1/2
2
8398
8400
8402
8404
8406
-
8401
8403
8405
8407
THREAD
SIZE
A
Clearance
Hole
in.
mm.
PART DIMENSIONS
BODY AND SEALING UNIT
B
C
D
E
Max. O.A. Thread
Wrenching
Length
Length
Nut Thk.
Flat Size
in.
mm. in. mm.
in.
mm.
in.
mm.
HFC 1/4-PG7*
PG7
HFC 3/8
1/2˝ NPT
HFC 1/2
HFC 3/4
3/4˝ NPT
HFC 1
1˝ NPT
HFC 1-1/4
HFC 1-1/2
HFC 2
.492
.875
**
1.109
1.375
12,5 1.13 28,7 .45 11,4 .21
22,2 1.96 49,8 .63 16,0 .25
28,1 2.04 52,8 .63 16,0 .25
34,9 2.25 57,2 .78 19,8 .25
44,0 2.07 52,6 .69 17,4 .25
50,4 2.28 57,9 .78 19,8 .28
62,7 2.26 66,0 .85 21,6 .31
5,3
6,3
6,3
6,3
6,3
7,0
7,9
1.00 25,4
1.33 33,7
1.56 39,6
1.81 46,0
2.15 54,6
2.40 61,0
2.98 75,6
8638 8639
8640 8641
8642 8643
1-1/4˝ NPT 1.734
1-1/2˝ NPT 1.984
2˝ NPT
2.469
Standard colors black and gray.
*Standard color black. Recognized under UL file E121095. For PG 7 thread specification, see page 3-57.
**Fittings use same mounting hole size but attach two different conduit sizes.
ED
QUIR
LY RE
MB
ASSE
O DIS
N
Domed
Sealing Nut
Designed
for Easy
Hand Tightening
Special Clip
Provides
Maximum
Pull Out
Resistance
Convex Ferrule
Provides Easy
Insertion and
Liquid Tight Seal
Body with
Wrenching
Flats
Locking Nut
with Generous
Wrenching Flats
B
D
C
A
E
DOMED SEALING NUT
OPTIONAL SEALING WASHER
SUGGESTED CLEARANCE HOLE
FOR NONTHREADED MOUNTING
Material
Certifications
Flammability Rating
Temperature Range
IP Rating
Nylon 6/6
Listed under Underwriters’ Laboratories File E28430
Certified by Canadian Standards Association
File 84579 and 81067
94V-2
-22°F (-30°C) to 221°F (105°C)
IP 68 up to 70 psi (5 bar) water pressure
2-9
1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com
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