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128 Maple Street,  Danvers
Massachusetts, 01923-2096
Hotwatt Telephone Number Tel # (978) 777-0070   Hotwatt Fax Number Fax # (978) 774-2409
Hotwatt email Email: Sales@hotwatt.com

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HOTWATT PRODUCTS MADE IN USA

Band Heaters

clamping & post type

Lead Type Terminal Options

Band Heater Special Features

Band heater PDF

 

U.L. Recognized - E56973         C.S.A. Certified  -  016386-0-000

In-Stock

Applications
Cylinders, Dies, Drums, Holding Tanks, Injections and Blow Molding Machines, and Plastic Extruders.

Features

  • The Hotwatt Standard Band Heaters are manufactured in one or two piece constructions with maximum inside diameters of 11 1/2" and 22 1/2" respectively.   Three or more sections are employed when heaters of larger diameters are needed  (as for blown film extrusion dies).

  • Holes and cutouts are available.  Maximum wattage may be reduced with the addition of holes and cutouts.  Drawing required for specific location.

  • Made in U.S.A

Construction

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  1. Mica insulation.

  2. Element ribbon.

  3. Rust resistant steel sheath.

  4. Radial lock-up tabs.

  5. Post terminals.

Standard Band Heater

Inside
Dia.

1"

1 1/2"

2"

2 1/2"

3"


Width
3 1/2"

4"

4 1/2"

5"

5 1/2"

6"

1"

85

130

185

235

1 1/2"

140

210

280

350

420

490

560

2"

175

255

350

470

565

675

765

865

950

2 1/2"

235

350

470

590

700

825

940

1050

1175

1300

1400

3"

275

405

550

675

800

935

1075

1270

1410

1550

1690

3 1/2"

330

475

660

825

990

1150

1320

1485

1650

1800

1980

4"

375

545

725

910

1100

1275

1450

1640

1825

2010

2200

4 1/2"

420

635

845

1060

1270

1485

1695

1900

2120

2330

2545

5"

450

685

925

1150

1375

1610

1850

2075

2300

2525

2750

5 1/2"

520

775

1035

1295

1555

1815

2070

2330

2590

2850

3100

6"

550

820

1100

1325

1650

1935

2225

2495

2770

3050

3325

6 1/2"

610

920

1225

1530

1835

2140

2450

2755

3060

3365

3675

7"

650

975

1300

1625

1950

2275

2600

2875

3250

3575

3900

7 1/2"

705

1060

1415

1765

2120

2470

2825

3180

3530

3885

4240

8"

750

1125

1500

1860

2225

2585

2950

3325

3700

4075

4450

8 1/2"

800

1200

1600

2000

2400

2800

3200

3600

4000

4400

4800

9"

850

1275

1675

2050

2525

2935

3350

3825

4200

4600

5000

9 1/2"

895

1340

1790

2235

2685

3130

3580

4025

4475

4920

5370

10"

925

1385

1850

2325

2800

3260

3725

4185

4650

5110

5575

10 1/2"

990

1485

1980

2475

2970

3465

3960

4455

4950

5445

5940

11"

1000

1500

2030

2535

3040

3480

3915

4430

4940

5425

5910

11 1/2"

1060

1590

2130

2660

3200

3750

4300

4850

5400

6030

6560

  • Red item denotes stock item. See In-stock section for specific ratings, termination and construction.

Sizes
The above chart represents typical sizes available. Other inside diameters and widths, both between those and larger than those listed are available.  Metric sizes are also available. Construction of units with inside diameters over 11 1/2" must be manufactured in accordance with the following table.

Construction

Inside
Diameter Range
Two piece Over 11 1/2" to 22 1/2"
Three Piece Over 22 1/2" to 36"
Four Piece Over 36" to 48"

 

Wattage
The above chart is based on a watt density of 30 watts per square inch of surface.The watt density may be varied, depending on operating temperature in accordance with the following table.

Operating
Temperature

Watts Per
Square Inch

300F

40

400F

30

500F

21

600F

12

700F to 900F Max.

10

To compute wattage: multiply inside diameter x pi x width x watts per square inch (based on above table).