Other bending data for mini-eegor, Benders, For emt conduit (dimensions in inches) – Gardner Bender Guide to Profitable Bending User Manual
Page 12: Developed length of bend, Gain of bend, Developed length” of bends chart, Gain” of bends chart
For EMT Conduit
(Dimensions in inches)
45
EMT Size
EMT Bend
EMT Bend
Outside Dia.
Centerline
Inside
Bending
Nominal Actual
Frac.
Radius
Radius
Shoe
Size
O.D.
O.D
A
B
Type Shoe
Model No.
4
1
⁄
4
3
7
⁄
8
Cyclone
®
B2000
3
5
⁄
16
2
15
⁄
16
Mechanical
BT57510
5
3
⁄
8
4
29
⁄
32
Cyclone
®
B2000
5
1
⁄
16
4
5
⁄
8
Mechanical
BT57510
6
1
⁄
2
5
29
⁄
32
Cyclone
®
B2000
5
3
⁄
4
5
3
⁄
16
Mini-Eegor™
BZ259
6
7
⁄
16
5
7
⁄
8
Mechanical
BT57510
7
27
⁄
32
7
3
⁄
32
Cyclone
®
B2000
7
1
⁄
8
7
1
⁄
2
Mini-Eegor™
BZ260
7
1
⁄
4
6
1
⁄
2
Thinwall
BZ1346
9
7
⁄
8
9
1
⁄
8
Mechanical
BT12515
8
3
⁄
8
7
1
⁄
2
Cyclone
®
B2000
8
1
⁄
8
7
1
⁄
4
Mini-Eegor™
BZ261
8
1
⁄
8
7
1
⁄
4
Thinwall
BZ1347
9
21
⁄
32
8
9
⁄
16
Cyclone
®
B2000
9
1
⁄
8
8
Mini-Eegor™
BZ262
9
8
Thinwall
BZ1348
9
7
⁄
16
8
5
⁄
16
Mechanical
BT2000
2
1
⁄
2
2.875
2
7
⁄
8
10
3
⁄
8
9
1
⁄
16
Eegor™
BZ25
3
3.500
3
1
⁄
2
12
7
⁄
8
11
1
⁄
4
Eegor™
BZ30
3
1
⁄
2
4.000
4
17
3
⁄
8
15
1
⁄
2
Eegor™
BZ35
4
4.500
4
1
⁄
2
20
17
3
⁄
4
Eegor™
BZ40
1
⁄
2
.706
23
⁄
32
3
⁄
4
.922
15
⁄
16
1
1.163
1
5
⁄
32
1
1
⁄
4
1.510
1
1
⁄
2
1
1
⁄
2
1.740
1
3
⁄
4
2
2.197
2
3
⁄
16
Other Bending Data for
Mini-Eegor
™
Benders
Developed Length of Bend:
When conduit is bent, the length along the bend at the neutral axis
(i.e., approximately the centerline of the pipe) is commonly called
“developed length” of the bend.
Gain of Bend:
The difference between the “squared off” distance (AB + BC) around a
corner and the "developed length" (AC) along a bend is commonly
called “gain” of the bend. (Measurements should be made at the
pipe centerline.)
A
B
C
12
Nominal
“Developed Length” of Bends (inches)
Conduit
Size
90°
60°
45°
30°
15°
1"
9
6
4
1
⁄
2
3
1
1
⁄
2
1
1
⁄
4
"
11
3
⁄
8
7
5
⁄
8
5
3
⁄
4
3
13
⁄
16
1
7
⁄
8
1
1
⁄
2
"
12
3
⁄
4
8
1
⁄
2
6
3
⁄
8
4
1
⁄
4
2
1
⁄
8
2"
14
1
⁄
4
9
1
⁄
2
7
1
⁄
8
4
3
⁄
4
2
3
⁄
8
“Developed Length” of Bends Chart
Nominal
“Gain” of Bends Measured at Centerline (inches)
Conduit
Size
90°
60°
45°
30°
15°
1"
2
3
⁄
4
13
⁄
16
3
⁄
8
1
⁄
8
1
⁄
16
1
1
⁄
4
"
3
1
⁄
2
1
1
⁄
2
3
⁄
16
1
⁄
16
1
1
⁄
2
"
3
15
⁄
16
1
1
⁄
8
1
⁄
2
3
⁄
16
1
⁄
16
2"
4
7
⁄
16
15
⁄
16
5
⁄
8
1
⁄
4
1
⁄
16
“Gain” of Bends Chart
E-507 Guide to Profitable Bending rA.qxd 10/19/09 3:17 PM Page 23