Watlow Heater Catalog

WATROD 1- 3

Tubular Heaters

WATROD 1- 4

B

WATROD Single/Double-Ended Heaters Bend Formations (Continued)

R 3

Figure 3

Figure 4

Dia.

Dia.

R 1

H

R 1

H

View B

WATROD 1- 5

B

B

View A

K

R 2

K

R 3

C

R 3

R 2 WATROD 1- 6

A

A

SL = 2K - 0.86R 2 - 2.86 Dia. + 2A + 1.14R 1

SL = 2K + 2.28 R 3 - 3.72 DIA + 2C - 0.86 R 2 + 2A + 1.14 R 1 View B SL = 2K - 1.72 R 3 - 7.72 DIA + 28 + 2C - 0.86 R 2 + 2A + 1.14 R 1 View A: SL = 2K- 1.72R 3 - 7.72 Dia. + 2C - 0.86R 2 + 2A + 1.14R 1 View B: SL = 2K- 2.28R 3 - 3.72 Dia. + 2C - 0.86R 2 + 2A + 1.14R 1

SL = 2K - 0.86 R 2 - 2.86 DIA + 2A + 1.14 R 1

View A

Figure 5

Dia.

R 1

Figure 6

H

A

< ° (Angle) WATROD 1- 7

Dia.

R 2

R 1

H

WATROD 1- 8 R 2

SL = 0.0175(< ° )(2 R 2 + DIA) + 1.14 R 1 -0.43 DIA SL = 0.0175(<˚) (2R 2 + Dia.) +1.14R 1 + 0.43 Dia.

C

L

SL = L + 1.14R 2 - 0.86 Dia. + C + 1.14R 1 + A

SL = L + 1.14 R 2 -0.86 DIA + C + 1.14 R 1 + A

Figure 7

Dia.

Figure 8

A

R 1

C

H

L

L

R 1

H

R 2

X Hairpins

Dia.

SL = 2A + 3.42 R-1.29 DIA + 2L X = number of outside hairpins SL = 2A + 3.42R 1 - 1.29 Dia. + 2L

A

SL = 2A + 2.28 R 2 -1.29 DIA + 2L + 1.14 R 1 SL = 2A + 2.28R 2 - 1.29 Dia. + 2L + 1.14R 1

Figure 8 Reverse

Dia.

63