Built-In Bracket for Superior Clamping
Unbreakable and Torque-Resistant Screw Terminals
Temperatures Up to 480°C (900°F)
Full Width Stainless Steel Built-In Strap
Flexibility to Incorporate Holes and Cutouts
Available Two-Piece and Expandable Designs
Best Mica Insulated Heater on the Market
Faster Delivery than Any Other Type of Heater Band
Most Economical Among Various Heater Bands
Most Versatile and Commonly Used Heater Band
View related products - Band Heaters
Designed For Trouble-Free Service
The Duraband heater design is the result of many years
of research, development and testing for a reliable mica
insulated band heater that can perform at the higher
operating temperatures [up to 480°C (900°F)] essential to
process high temperature resins, providing long, efficient
service necessary for today’s high productivity of plastic
extruders, injection and blow molding machines. >br>
Duraband is a proven heater design for good life efficiency
and dependability. It assures maintaining the lowest winding
temperatures possible, keeping a low-mass heating element
assembly for fast heat-up and quick thermal response to
controls. It incorporates the low thermal expansion
built-in strap, a unique design feature.
Advantages and Variations
Duraband mica insulated heaters are widely used on
operations involving heating of cylindrical surfaces and
are manufactured in a full range of standard construction
variations, physical dimensions, electrical ratings, and
a complete arrangement of screw terminals and lead
terminations.
However, these standard Duraband heater variations
and terminations do not represent the full extent of our
capabilities. OMEGA’s engineering staff, with many years
of experience in heat processing and temperature control
applications, can assist you in designing the right Duraband
heater for your specific application.Standard Specification and Tolerances
Performance Ratings
Maximum Temperature:
Standard Sheath: 482°C (900°F)
Nominal Watt Density : 3 to 7 Watt/cm² (20 to 45 Watt/in²)
Maximum Watt Density : Dependent on heater size and operating temperature
Electrical Ratings
Maximum Voltage: 480 Vac
Dual Voltage or 3-Phase : Available depending on heater design
Maximum Amperage:
Lead Wire Termination: 10 Amp
Screw Terminations: 8-32 UNF—20 Amp ; 10-32 UNF—25 Amp
Resistance Tolerance: 10%, -5%
Wattage Tolerance: 5%, -10%
Physical Size Construction Limitations
Minimum Width: 19.1 mm (3/4")
Width Tolerance: 1.59 mm (±1/16")
Minimum Inside Diameter: 22.1 mm (7/8")
Nominal Gap: 9.5 mm (3/8")—if a larger gap is required for probes or thermocouples, specify when ordering
Built-In Brackets
Heater Width
38 to 76 mm (1½ to 3") Number of Brackets 1
79 to 127 mm (3 1/8 to 5") Number of Brackets 2
130 to 145 mm (5 1/8 to 67/8") Number of Brackets 3
178 to 254 mm (7 to 10") Number of Brackets 4
257 to 381 mm (10 1/8 to 15") Number of Brackets 5
If tighter tolerances are required, contact OMEGA.
Model Number
Inside Diamet
Width
Watt
Watt Density
Style
Term.
120V
240V
480V
mm
inch
mm
inch
Watt/cm2
Watt/in2
—
MBH00170
—
38.1
11 ⁄2
25.4
1
150
6.3
40
SB
T2
—
MBH00171
—
38.1
11 ⁄2
38.1
11 ⁄2
250
7.0
45
NB
T2
—
MBH00172
—
38.1
11 ⁄2
50.8
2
300
6.3
40
NB
T2
—
MBH00173
—
44.5
13 ⁄4
25.4
1
175
6.0
39
SB
T2
—
MBH00174
—
44.5
13 ⁄4
38.1
11 ⁄2
250
5.7
37
NB
T2
—
MBH00175
—
44.5
13 ⁄4
38.1
11 ⁄2
300
6.9
44
NB
T2
—
MBH00176
—
47.6
17 ⁄8
25.4
1
200
6.3
41
SB
T2
MBH00142
MBH00177
—
50.8
2
38.1
11 ⁄2
300
5.9
38
NB
T2
MBH00143
MBH00178
—
57.2
21 ⁄4
25.4
1
250
6.4
41
SB
T2
—
MBH00179
—
57.2
21 ⁄4
50.8
2
525
6.7
43
NB
T2
—
MBH00180
—
60.3
23 ⁄8
25.4
1
100
2.4
15
SB
T2
—
MBH00181
—
60.3
23 ⁄8
25.4
1
250
6.0
39
SB
T2
MBH00144
—
—
60.3
23 ⁄8
63.5
21 ⁄2
450
4.3
28
NB
T3
—
MBH00182
—
63.5
21 ⁄2
25.4
1
225
5.1
33
SE
T2
—
MBH00183
—
63.5
21 ⁄2
25.4
1
250
5.7
36
SE
T2
—
MBH00184
—
63.5
21 ⁄2
25.4
1
275
6.2
40
SE
T2
MBH00145
MBH00185
—
63.5
21 ⁄2
38.1
11 ⁄2
300
4.5
29
NE
T2
MBH00146
MBH00186
—
63.5
21 ⁄2
38.1
11 ⁄2
350
5.3
34
NE
T2
—
MBH00187
—
63.5
21 ⁄2
60.3
23 ⁄8
550
5.2
34
NE
T2
—
MBH00188
—
63.5
21 ⁄2
73.0
27 ⁄8
650
5.1
33
NE
T3
—
MBH00189
—
63.5
21 ⁄2
101.6
4
850
4.8
31
NE
T3
MBH00147
MBH00190
—
76.2
3
25.4
1
200
3.7
24
SE
T2
MBH00148
MBH00191
—
76.2
3
25.4
1
250
4.6
30
SE
T2
—
MBH00192
—
76.2
3
25.4
1
300
5.5
36
SE
T2
—
MBH00193
—
76.2
3
25.4
1
350
6.4
42
SE
T2
MBH00149
MBH00194
MBH00348
76.2
3
25.4
1
400
7.4
47
SE
T2
MBH00150
MBH00195
—
76.2
3
38.1
11 ⁄2
400
4.9
32
NE
T2
—
MBH00196
—
76.2
3
38.1
11 ⁄2
450
5.5
36
NE
T2
MBH00151
MBH00197
—
76.2
3
38.1
11 ⁄2
500
6.1
40
NE
T2
—
MBH00198
—
76.2
3
50.8
2
450
4.1
27
NE
T2
—
MBH00199
—
76.2
3
50.8
2
500
4.6
30
NE
T2
—
MBH00200
—
76.2
3
63.5
21 ⁄2
650
4.8
31
NE
T3
—
MBH00201
—
79.4
31 ⁄8
25.4
1
300
5.3
34
SE
T2
MBH00152
MBH00202
—
79.4
31 ⁄8
25.4
1
400
7.0
45
SE
T2
—
MBH00203
—
79.4
31 ⁄8
38.1
11 ⁄2
400
4.7
30
NE
T2
MBH00153
MBH00204
—
82.6
31 ⁄4
38.1
11 ⁄2
400
4.5
29
NE
T2
MBH00154
MBH00205
—
88.9
31 ⁄2
25.4
1
300
4.7
30
SE
T2
—
MBH00206
—
88.9
31 ⁄2
38.1
11 ⁄2
325
3.4
22
NE
T2
MBH00155
—
—
88.9
31 ⁄2
38.1
11 ⁄2
400
4.1
27
NE
T2
MBH00156
MBH00207
—
88.9
31 ⁄2
38.1
11 ⁄2
500
5.2
33
NE
T2
—
MBH00208
—
88.9
31 ⁄2
50.8
2
325
2.5
16
NE
T2
MBH00157
—
—
88.9
31 ⁄2
50.8
2
500
3.9
25
NE
T2
—
MBH00209
—
88.9
31 ⁄2
50.8
2
650
5.0
33
NE
T2
—
MBH00210
—
88.9
31 ⁄2
63.5
21 ⁄2
750
4.7
30
NE
T3
—
MBH00211
—
88.9
31 ⁄2
76.2
3
1000
5.2
33
NE
T3
—
MBH00212
—
90.5
39 ⁄16
60.3
23 ⁄8
685
4.4
28
NE
T2
—
MBH00213
—
92.2
35 ⁄8
38.1
11 ⁄2
625
6.2
40
NE
T2
MBH00158
MBH00214
—
95.3
33 ⁄4
25.4
1
350
5.0
32
SE
T2
—
MBH00215
—
95.3
33 ⁄4
38.1
11 ⁄2
500
4.8
31
NE
T2
—
MBH00216
—
95.3
33 ⁄4
38.1
11 ⁄2
700
6.7
43
NE
T2
MBH00159
MBH00217
—
95.3
33 ⁄4
63.5
21 ⁄2
850
4.9
32
NE
T3
—
MBH00218
—
98.4
37 ⁄8
38.1
11 ⁄2
550
5.1
33
NE
T2
—
MBH00219
—
98.4
37 ⁄8
50.8
2
750
5.2
34
NE
T2
—
MBH00220
—
100.0
315 ⁄16
50.8
2
600
4.1
26
NE
T2
MBH00160
MBH00221
—
101.6
4
25.4
1
400
5.4
35
SE
T2
—
MBH00222
—
101.6
4
38.1
11 ⁄2
400
3.6
23
NE
T2
—
MBH00223
—
101.6
4
38.1
11 ⁄2
550
4.9
32
NE
T2
—
MBH00224
MBH00349
101.6
4
38.1
11 ⁄2
625
5.6
36
NE
T2
—
MBH00225
—
101.6
4
38.1
11 ⁄2
750
6.7
43
NE
T2
MBH00161
MBH00226
—
101.6
4
50.8
2
550
3.7
24
NE
T2
—
MBH00227
—
101.6
4
50.8
2
800
5.4
35
NE
T2
—
MBH00228
—
101.6
4
57.2
21 ⁄4
900
5.4
35
NE
T2
—
MBH00229
—
101.6
4
63.5
21 ⁄2
1000
5.4
35
NE
T3
—
MBH00230
—
101.6
4
101.6
4
1250
4.2
27
NE
T3
—
MBH00231
—
109.5
45 ⁄16
88.9
31 ⁄2
1210
4.3
28
NE
T3
MBH00162
MBH00232
—
114.3
41 ⁄2
25.4
1
350
4.1
27
SE
T2
—
MBH00233
—
114.3
41 ⁄2
38.1
11 ⁄2
350
2.8
18
NE
T2
—
MBH00235
—
114.3
41 ⁄2
38.1
11 ⁄2
400
3.1
20
NE
T2
—
MBH00236
—
114.3
41 ⁄2
38.1
11 ⁄2
650
5.1
33
NE
T2
MBH00163
MBH00237
—
114.3
41 ⁄2
50.8
2
500
2.9
19
NE
T2
MBH00164
MBH00238
—
114.3
41 ⁄2
50.8
2
700
4.1
27
NE
T2
MBH00165
MBH00239
—
114.3
41 ⁄2
63.5
21 ⁄2
1000
4.7
30
NE
T3
—
MBH00242
MBH00350
120.7
43 ⁄4
38.1
11 ⁄2
600
4.5
29
NE
T2
—
MBH00243
—
120.7
43 ⁄4
38.1
11 ⁄2
650
4.8
31
NE
T2
—
MBH00244
MBH00351
120.7
43 ⁄4
76.2
3
1100
4.1
26
NE
T3
—
MBH00245
—
123.8
47 ⁄8
38.1
11 ⁄2
900
6.5
42
NE
T2
—
MBH00246
—
123.8
47 ⁄8
50.8
2
650
3.5
23
NE
T2
—
MBH00247
MBH00352
123.8
47 ⁄8
50.8
2
760
4.1
27
NE
T2
—
MBH00248
—
123.8
47 ⁄8
76.2
3
900
3.2
21
NE
T3
—
MBH00249
—
125.4
415 ⁄16
76.2
3
1200
4.3
28
NE
T3
—
MBH00250
—
127.0
5
25.4
1
400
4.2
27
SE
T2
—
—
MBH00353
127.0
5
38.1
11 ⁄2
350
2.5
16
NE
T2
—
MBH00251
—
127.0
5
38.1
11 ⁄2
700
4.9
32
NE
T2
—
MBH00252
—
127.0
5
38.1
11 ⁄2
800
5.6
36
NE
T2
—
MBH00253
—
127.0
5
50.8
2
1000
5.3
34
NE
T2
—
MBH00254
—
127.0
5
63.5
21 ⁄2
1000
4.2
27
NE
T3
—
MBH00255
MBH00354
127.0
5
76.2
3
1200
4.2
27
NE
T3
—
—
MBH00355
127.0
5
82.6
31 ⁄4
800
2.6
17
NE
T3
—
MBH00256
—
127.0
5
82.6
32
1250
4.1
26
NE
T3
—
MBH00257
—
127.0
5
101.6
4
1500
4.0
25
NE
T3
—
MBH00258
—
130.2
51 ⁄8
38.1
11 ⁄2
900
6.2
40
NE
T2
—
MBH00259
—
130.3
51 ⁄8
38.1
11 ⁄2
600
4.1
26
NE
T2
—
MBH00260
—
133.4
51 ⁄4
25.4
1
500
5.0
32
SE
T2
—
MBH00261
MBH00356
133.4
51 ⁄4
25.4
1
600
6.0
39
SE
T2
—
MBH00262
MBH00357
133.4
51 ⁄4
38.1
11 ⁄2
600
4.0
26
NE
T2
—
MBH00263
—
133.4
51 ⁄4
38.1
11 ⁄2
1000
6.7
43
NE
T2
—
MBH00264
—
133.4
51 ⁄4
50.8
2
1000
5.0
32
NE
T2
—
—
MBH00358
133.4
51 ⁄4
57.2
21 ⁄4
1300
5.8
37
NE
T2
—
MBH00265
—
133.4
51 ⁄4
63.5
21 ⁄2
1300
5.2
34
NE
T3
—
MBH00266
—
133.4
51 ⁄4
76.2
3
1700
5.7
37
NE
T3
—
MBH00267
—
139.7
51 ⁄2
38.1
11 ⁄2
800
5.1
33
NE
T2
—
MBH00268
—
146.1
53 ⁄4
38.1
11 ⁄2
600
3.6
23
NE
T2
—
MBH00269
—
149.2
57 ⁄8
76.2
3
1000
3.0
19
NE
T3
—
MBH00270
—
150.8
515 ⁄16
38.1
11 ⁄2
1000
5.9
38
NE
T2
—
MBH00271
—
152.4
6
25.4
1
500
4.3
28
SE
T2
MBH00166
—
—
152.4
6
34.9
13 ⁄8
950
6.0
39
SE
T2
—
MBH00272
—
152.4
6
38.1
11 ⁄2
600
3.5
22
NE
T2
MBH00167
MBH00273
—
152.4
6
38.1
11 ⁄2
850
4.9
32
NE
T2
—
MBH00274
—
152.4
6
38.1
11 ⁄2
900
5.2
34
NE
T2
—
MBH00275
—
152.4
6
38.1
11 ⁄2
1000
6.2
40
NE
T2
—
MBH00276
—
152.4
6
50.8
2
1200
5.2
34
NE
T2
—
MBH00277
—
152.4
6
63.5
21 ⁄2
1450
5.0
32
NE
T3
—
MBH00278
MBH00359
152.4
6
76.2
3
1400
4.1
26
NE
T3
—
MBH00279
—
155.6
61 ⁄8
38.1
11 ⁄2
1000
5.7
37
NE
T2
—
MBH00280
MBH00360
158.8
61 ⁄4
76.2
3
1500
4.2
27
NE
T3
—
MBH00281
MBH00361
160.3
65 ⁄16
76.2
3
1250
3.4
22
NE
T3
—
MBH00282
—
164.3
615 ⁄32
50.8
2
800
3.2
21
NE
T2
—
MBH00283
—
164.3
615 ⁄32
50.8
2
1200
5.1
33
NE
T2
—
MBH00284
—
165.1
61 ⁄2
38.1
11 ⁄2
750
4.0
26
NE
T2
—
MBH00285
—
165.1
61 ⁄2
38.1
11 ⁄2
900
4.8
31
NE
T2
—
MBH00286
—
165.1
61 ⁄2
38.1
11 ⁄2
1200
6.4
41
NE
T2
—
MBH00287
—
165.1
61 ⁄2
50.8
2
1000
4.0
26
NE
T2
—
MBH00288
MBH00362
165.1
61 ⁄2
63.5
21 ⁄2
1200
3.8
25
NE
T3
—
MBH00289
—
168.4
65 ⁄8
38.1
11 ⁄2
815
4.2
27
NE
T2
—
MBH00290
—
168.4
65 ⁄8
38.1
11 ⁄2
1150
6.0
39
NE
T2
—
MBH00291
—
171.5
63 ⁄4
38.1
11 ⁄2
600
3.1
20
NE
T2
—
MBH00292
—
171.5
63 ⁄4
38.1
11 ⁄2
815
4.2
27
NE
T2
—
MBH00293
—
171.5
63 ⁄4
38.1
11 ⁄2
1000
5.1
33
NE
T2
—
MBH00294
—
171.5
63 ⁄4
38.1
11 ⁄2
1150
5.9
38
NE
T2
—
MBH00295
—
171.5
63 ⁄4
50.8
2
1300
5.0
32
NE
T2
—
MBH00296
—
171.5
63 ⁄4
101.6
4
2600
5.0
32
NE
T3
—
MBH00297
—
177.8
7
25.4
1
750
5.5
36
SE
T2
—
MBH00298
—
177.8
7
38.1
11 ⁄2
950
4.7
30
NE
T2
—
MBH00299
—
177.8
7
38.1
11 ⁄2
1000
4.9
32
NE
T2
—
MBH00300
—
177.8
7
63.5
21 ⁄2
1000
3.0
19
NE
T3
—
MBH00301
MBH00363
177.8
7
76.2
3
1650
4.1
26
NE
T3
—
MBH00302
MBH00364
180.2
73 ⁄32
88.9
31 ⁄2
1200
2.5
16
NE
T3
—
MBH00303
MBH00365
180.2
73 ⁄32
88.9
31 ⁄2
1650
3.4
22
NE
T3
—
MBH00304
—
181.0
71 ⁄8
38.1
11 ⁄2
1200
5.8
37
NE
T2
—
MBH00305
—
181.0
71 ⁄8
88.9
31 ⁄2
1650
3.4
22
NE
T3
—
MBH00306
—
184.2
71 ⁄4
50.8
2
900
3.2
21
NE
T2
MBH00168
—
—
190.5
71 ⁄2
25.4
1
700
4.8
31
SE
T2
—
MBH00307
—
190.5
71 ⁄2
38.1
11 ⁄2
800
3.7
24
NE
T2
—
MBH00308
—
190.5
71 ⁄2
38.1
11 ⁄2
1000
4.6
30
NE
T2
—
MBH00309
—
190.5
71 ⁄2
50.8
2
1500
5.2
36
NE
T2
—
MBH00310
MBH00366
190.5
71 ⁄2
76.2
3
1800
4.1
27
NE
T2
—
MBH00311
—
193.7
75 ⁄8
38.1
11 ⁄2
1000
4.5
29
NE
T2
—
MBH00312
—
193.7
75 ⁄8
76.2
3
2000
4.5
29
NE
T2
—
MBH00313
—
196.9
73 ⁄4
38.1
11 ⁄2
1000
4.4
29
NE
T2
—
MBH00314
—
200.0
77 ⁄8
38.1
11 ⁄2
750
3.3
21
NE
T2
—
MBH00315
—
200.0
77 ⁄8
38.1
11 ⁄2
1000
4.4
28
NE
T2
—
MBH00316
—
200.0
77 ⁄8
76.2
3
2000
4.4
28
NE
T3
—
MBH00317
—
203.2
8
25.4
1
850
5.5
35
SE
T2
—
MBH00318
—
203.2
8
38.1
11 ⁄2
950
4.1
26
NE
T2
—
MBH00319
MBH00367
203.2
8
38.1
11 ⁄2
1200
5.1
33
NE
T2
—
MBH00320
—
203.2
8
38.1
11 ⁄2
1400
6.0
39
NE
T2
—
MBH00321
MBH00368
203.2
8
50.8
2
1500
4.8
31
NE
T2
—
MBH00322
MBH00369
203.2
8
76.2
3
2250
4.8
31
NE
T3
—
MBH00323
MBH00370
209.6
81 ⁄4
50.8
2
1800
5.6
36
NE
T2
—
MBH00324
MBH00371
209.6
81 ⁄4
101.6
4
3000
4.7
30
NE
T3
—
MBH00325
—
215.9
81 ⁄2
38.1
11 ⁄2
1200
4.8
31
NE
T2
—
MBH00326
—
215.9
81 ⁄2
50.8
2
1600
4.8
31
NE
T2
—
MBH00327
MBH00372
222.3
83 ⁄4
76.2
3
2000
3.9
25
NE
T3
—
MBH00328
—
228.6
9
38.1
11 ⁄2
1300
4.9
32
NE
T2
—
MBH00329
MBH00373
228.6
9
38.1
11 ⁄2
1500
5.7
37
NE
T2
—
MBH00330
—
228.6
9
50.8
2
1800
5.1
33
NE
T2
—
MBH00331
—
241.3
91 ⁄2
38.1
11 ⁄2
1600
5.7
40
NE
T2
—
MBH00332
—
241.3
91 ⁄2
50.8
2
1800
4.8
31
NE
T2
—
MBH00333
MBH00374
241.3
91 ⁄2
76.2
3
2000
3.6
23
NE
T3
—
MBH00334
MBH00375
244.5
95 ⁄8
76.2
3
2000
3.5
23
NE
T3
—
MBH00335
MBH00376
244.5
95 ⁄8
76.2
3
3000
5.3
34
NE
T3
—
MBH00336
—
247.7
93 ⁄4
50.8
2
2000
5.2
34
NE
T2
—
MBH00337
—
254.0
10
38.1
11 ⁄2
1400
4.8
31
NE
T2
—
MBH00338
MBH00377
260.4
101 ⁄4
76.2
3
2400
4.0
26
NE
T3
—
MBH00339
MBH00378
260.4
101 ⁄4
101.6
4
3000
3.7
24
NE
T3
—
MBH00340
—
266.7
101 ⁄2
38.1
11 ⁄2
1500
4.8
31
NE
T2
—
MBH00341
MBH00379
266.7
101 ⁄2
76.2
3
2400
3.9
25
NE
T3
—
MBH00342
—
279.4
11
38.1
11 ⁄2
1600
4.9
32
NE
T2
—
MBH00343
—
279.4
11
50.8
2
2000
4.6
30
NE
T2
—
MBH00344
—
285.8
111 ⁄4
76.2
3
2400
3.6
23
NE
T3
MBH00169
—
—
292.1
111 ⁄2
38.1
11 ⁄2
800
2.4
15
NE
T2
—
MBH00345
—
292.1
111 ⁄2
38.1
11 ⁄2
1800
5.3
34
NE
T2
—
MBH00346
—
304.8
12
38.1
11 ⁄2
2000
5.6
36
NE
T2
—
MBH00347
MBH00380
304.8
12
50.8
2
2300
4.9
31
NE
T2
Ordering Example: MBH00329, 240V, 1500 watt, mica insulated band heater.
† All dollar amounts on this site are shown in Singapore currency.
Note: * Heaters have built-in Type J thermocouple.
Keywords:DuraBand with Built-In Strap, Standard Mica Insulated Band Heaters for Plastic Injection Molding Machines
Back to top