L” requirement chart – Gardner Bender Guide to Profitable Bending User Manual
Page 25
Concentric Bend
Instructions for
Sweep / Segmental
Benders
32
Offset Chart for Sweep, One-shot
and PVC Coated Conduit Benders
25
Conduit Size
(L) *
1
⁄
2
"
7
1
⁄
2
3
⁄
4
"
8
3
⁄
4
1"
10
1
⁄
4
1
1
⁄
4
"
11
1
⁄
2
1
1
⁄
2
"
13
1
⁄
4
2"
15
2
1
⁄
2
"
16
3
⁄
4
3"
18
1
⁄
2
3
1
⁄
2
"
22
1
⁄
4
4"
24
1
⁄
4
5"
25
“L” Requirement Chart
*
(L) = Min. length of conduit required on each end of dimension (B)
Offset 15° Bend
30° Bend
Required Max. Conduit
Max. Conduit
(H) (B)
Size
(B)
Size
2”
7
11
⁄
16
3
⁄
4
—
—
4”
15
7
⁄
8
1
1
⁄
2
7
7
⁄
8
3
⁄
4
6”
23
3
⁄
16
3
1
⁄
2
11
7
⁄
8
1
8”
30
7
⁄
8
4
15
7
⁄
8
1
1
⁄
2
10”
38
5
⁄
8
4
19
7
⁄
8
2
12”
46
5
⁄
16
5
23
7
⁄
8
2
1
⁄
2
14”
54
5
27
7
⁄
8
3
1
⁄
2
16”
61
13
⁄
16
5
31
7
⁄
8
4
18”
69
1
⁄
2
5
35
7
⁄
8
4
20”
77
1
⁄
4
5
39
7
⁄
8
5
22”
85
5
43
7
⁄
8
5
Offset 45° Bend
60° Bend
Required Max. Conduit
Max. Conduit
(H) (B)
Size
(B)
Size
6”
8
5
⁄
16
1
⁄
2
—
—
8”
11
1
⁄
8
1
8
3
⁄
4
1
⁄
2
10”
13
7
⁄
8
1
1
⁄
4
10
13
⁄
16
1
12”
16
11
⁄
16
1
1
⁄
2
12
7
⁄
8
1
1
⁄
4
14”
19
1
⁄
2
2
15
1
⁄
8
1
1
⁄
2
16”
22
3
⁄
8
2
1
⁄
2
17
3
⁄
8
2
18”
25
3
⁄
16
3
18
1
⁄
2
2
1
⁄
2
20”
28
3
1
⁄
2
21
1
⁄
2
3
22”
30
7
⁄
8
4
23
5
⁄
8
3
1
⁄
2
E-507 Guide to Profitable Bending rA.qxd 10/19/09 3:17 PM Page 49