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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

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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