Cut Sheet
ECF/EKJ FLEXIBLE COUPLINGS
C
DIA.
2-15/16"
2-15/16"
2-15/16"
2-15/16"
2-15/16"
2-15/16"
2-15/16"
3-21/32"
3-21/32"
3-21/32"
3-21/32"
3-21/32"
3-21/32"
3-21/32"
4-9/64"
4-9/64"
4-9/64"
4-9/64"
4-9/64"
4-9/64"
MINIMUM BEND RADIUS
ECF/EKJ FLEXIBLE COUPLINGS
F
F65
FEATURES-SPECIFICATIONS
ECF/EKJ SERIES • FITTINGS
BRONZE FLEXIBLE COUPLINGS
Listed - File E10514
Certified - File LR11716
See files for details or call Killark.
R
®
Applications
For use in hazardous areas where
movement or vibration requires a flexi-
ble connection or a difficult bend is
required in a conduit system.
Features
• Bronze flexible metal construction
• An inner liner of asphaltum impreg-
nated jute fibre tubing to protect
conductors
• Female ends with zinc plated steel
nipples standard on all couplings
• Union type couplings may be assem-
bled by adding a GUF Series union to
the nipple
• Special lengths available-consult
factory
• All 1/2", 3/4" & 1" EKJ couplings are
furnished with a setscrew (for use as
a fixture hanging coupling)
SERIES 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
ECF 10" 12" 14" – – –
EKJ 10" 12" 14" 14" 16" 18"
ECF CONDUIT
SERIES SIZE
ECF-14
1⁄2"
ECF-16 1⁄2"
ECF-18 1⁄2"
ECF-110 1⁄2"
ECF-112 1⁄2"
ECF-115 1⁄2"
ECF-118 1⁄2"
ECF-121 1⁄2"
ECF-124 1⁄2"
ECF-130 1⁄2"
ECF-136 1⁄2"
ECF-24 3⁄4"
ECF-26 3⁄4"
ECF-28 3⁄4"
ECF-210 3⁄4"
ECF-212 3⁄4"
ECF-215 3⁄4"
ECF-218 3⁄4"
ECF-221 3⁄4"
ECF-224 3⁄4"
ECF-230 3⁄4"
ECF-236 3⁄4"
ECF-36 1"
ECF-38 1"
ECF-310 1"
ECF-312 1"
ECF-315 1"
ECF-318 1"
ECF-321 1"
ECF-324 1"
ECF-330 1"
ECF-336 1"
EKJ-14
EKJ-16
EKJ-18
EKJ-110
EKJ-112
EKJ-115
EKJ-118
—
—
—
—
EKJ-24
EKJ-26
EKJ-28
EKJ-210
EKJ-212
EKJ-215
EKJ-218
—
—
—
—
EKJ-36
EKJ-38
EKJ-310
EKJ-312
EKJ-315
EKJ-318
EKJ-321
EKJ-324
EKJ-330
EKJ-336
CONDUIT
SIZE
1-1⁄4"
1-1⁄4"
1-1⁄4"
1-1⁄4"
1-1⁄4"
1-1⁄4"
1-1⁄4"
1-1⁄2"
1-1⁄2"
1-1⁄2"
1-1⁄2"
1-1⁄2"
1-1⁄2"
1-1⁄2"
2"
2"
2"
2"
2"
2"
B
FLEX.
LENGTH
12"
15"
18"
21"
24"
30"
36"
12"
15"
18"
21"
24"
30"
36"
12"
15"
18"
24"
30"
36"
A
OVERALL
LENGTH
18-5/8"
21-5/8"
24-5/8"
27-5/8"
30-5/8"
36-5/8"
42-5/8"
10-15/16"
21-15/16"
24-15/16"
27-15/16"
30-15/16"
36-15/16"
42-15/16"
19-5/16"
22-5/16"
25-5/16"
31-5/16"
37-5/16"
43-5/16"
EKJ-412
EKJ-415
EKJ-418
EKJ-421
EKJ-424
EKJ-430
EKJ-436
EKJ-512
EKJ-515
EKJ-518
EKJ-521
EKJ-524
EKJ-530
EKJ-536
EKJ-612
EKJ-615
EKJ-618
EKJ-624
EKJ-630
EKJ-636
EKJ
SERIES
EKJ
SERIES
Class I, Div. 1 & 2, Groups A,B,C,D
Class l, Zone 1, Groups llC, llB, llA
Class II, Div. 1 & 2, Groups E,F,G
Class III
Raintight
ECF & EKJ 1/2" and 3/4" couplings
suitable for Class I, Groups A,B,C,D
Class l, Zone 1, Groups llC, llB, llA
EKJ 1" thru 2" and ECF 1" couplings
suitable for Class I, Groups C,D.
Class l, Zone 1, Groups llB, llA
All ECF and EKJ are suitable for
Class II and Ill.
B
FLEX.
LENGTH
4"
6"
8"
10"
12"
15"
18"
21"
24"
30"
36"
4"
6"
8"
10"
12"
15"
18"
21"
24"
30"
36"
6"
8"
10"
12"
15"
18"
21"
24"
30"
36"
A
OVERALL
LENGTH
8-13/16"
10-13/16"
12-13/16"
14-13/16"
16-13/16"
19-13/16"
22-13/16"
25-13/16"
28-13/16"
34-13/16"
40-13/16"
8-3/4"
10-3/4"
12-3/4"
14-3/4"
16-3/4"
19-3/4"
22-3/4"
25-3/4"
28-3/4"
34-3/4"
40-3/4"
11-3/4"
13-3/4"
15-3/4"
17-3/4"
20-3/4"
23-3/4"
26-3/4"
29-3/4"
35-3/4"
41-3/4"
A
B
C
CATALOG NUMBER DESCRIPTION CAT. NO. DESCRIPTION
ECF
1/2", 3/4", 1"
EKJ
1/2", 3/4", 1"
EKJ
1-1/4", 1-1/2", 2"
C
DIA.
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-5/8"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"
1-15/16"