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Compare insertion heaters for metal parts vs. immersion heaters for liquids. Then choose the right wattage for your application.
Bolt- and Clamp-Mount Heating Elements for Plates, Molds, and Dies
Full Disc Heating Element with Iron Sheath
 |
Disc heating elements should be attached to flat surfaces with mounting clamps (sold separately). Four are recommended for each heating element.
Ring Disc Heating Element with Chrome-Plated Steel Sheath
 |
Disc heating elements should be attached to flat surfaces with mounting clamps (sold separately). Four are recommended for each heating element.
Screw Terminal | 120V AC, Single Phase | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wattage, W | Watt Density, W/in² | OD | ID | Thk. | Max. Heat Output, ° F | Thread Size | Ht. | No. of Clamps Recommended | Current, amp | Each | |||
| 200 | 12 | 3" | 7/8" | 1/4" | 1,200 | 10-32 | 9/16" | 4 | 1.7 | 3682K21 | 0000000 | ||
| 300 | 18 | 3" | 7/8" | 1/4" | 1,200 | 10-32 | 9/16" | 4 | 2.5 | 3682K22 | 000000 | ||
| 500 | 19 | 4" | 1 11/16" | 5/16" | 1,200 | 10-32 | 9/16" | 4 | 4.2 | 3682K23 | 000000 | ||
| 660 | 12 | 6 1/8" | 3" | 5/16" | 1,200 | 10-32 | 9/16" | 4 | 5.5 | 3682K36 | 000000 | ||
| 1,000 | 19 | 6 1/8" | 3" | 5/16" | 1,200 | 10-32 | 9/16" | 4 | 8.3 | 3682K25 | 000000 | ||
| 1,800 | 19 | 11" | 8 1/2" | 5/16" | 1,200 | 10-32 | 9/16" | 4 | 15 | 3682K37 | 000000 | ||
Wraparound Heaters for Extrusion- and Injection-Molding Barrels
 |
Heat resins, raw materials, and food with these heaters that fit around extrusion- and injection-molding barrels. All require a temperature switch or controller (sold separately) to regulate heat output.
Note: The heater must be sized to fit tightly around the barrel to prevent air gaps that lead to inefficient heating and premature failure.
120V AC, Single Phase | 240V AC, Single Phase | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Barrel OD | Wd. | Wattage, W | Max. Heat Output, ° F | Wire Connection | Material | Current, amp | Each | Current, amp | Each | ||||
With Mica Insulation | |||||||||||||
| 3" | 1 1/2" | 400 | 900 | Screw Terminal | Steel | 3.3 | 3671K151 | 000000 | 1.7 | 3671K177 | 000000 | ||
| 3 1/2" | 1 1/2" | 500 | 900 | Screw Terminal | Steel | 4.2 | 3671K152 | 00000 | 2.1 | 3671K178 | 00000 | ||
| 3 1/2" | 2" | 650 | 900 | Screw Terminal | Steel | 5.4 | 3671K153 | 00000 | 2.7 | 3671K179 | 00000 | ||
| 4" | 1" | 400 | 900 | Screw Terminal | Steel | 3.3 | 3671K131 | 00000 | 1.7 | 3671K141 | 00000 | ||
| 4" | 2" | 550 | 900 | Screw Terminal | Steel | 4.6 | 3671K155 | 00000 | 2.3 | 3671K181 | 00000 | ||
| 4" | 4" | 1,250 | 900 | Screw Terminal | Steel | 10.4 | 3671K118 | 000000 | 5.2 | 3671K183 | 000000 | ||
| 4 1/2" | 2 1/2" | 1,000 | 900 | Screw Terminal | Steel | 8.3 | 3671K156 | 00000 | 4.2 | 3671K182 | 00000 | ||
| 5" | 1 1/2" | 700 | 900 | Screw Terminal | Steel | 5.8 | 3671K157 | 00000 | 2.9 | 3671K184 | 00000 | ||
| 6" | 1 1/2" | 850 | 900 | Screw Terminal | Steel | 7.1 | 3671K158 | 00000 | 3.5 | 3671K185 | 00000 | ||
| 6" | 2" | 1,200 | 900 | Screw Terminal | Steel | 10 | 3671K159 | 000000 | 5 | 3671K186 | 000000 | ||
| 7" | 1 1/2" | 1,000 | 900 | Screw Terminal | Steel | 8.3 | 3671K161 | 000000 | 4.2 | 3671K187 | 000000 | ||
| 8" | 2" | 1,500 | 900 | Screw Terminal | Steel | 12.5 | 3671K162 | 000000 | 6.3 | 3671K188 | 000000 | ||
| 9" | 1 1/2" | 1,200 | 900 | Screw Terminal | Steel | 10 | 3671K148 | 000000 | — | ——— | 0 | ||
| 9" | 1 1/2" | 1,800 | 900 | Screw Terminal | Steel | — | ——— | 0 | 7.5 | 3671K189 | 000000 | ||
| 10" | 1 1/2" | 1,300 | 900 | Screw Terminal | Steel | 10.8 | 3671K164 | 000000 | 5.4 | 3671K19 | 000000 | ||
| 12" | 2" | 1,700 | 900 | Screw Terminal | Steel | 14.2 | 3671K651 | 000000 | — | ——— | 0 | ||
| 12" | 2" | 2,300 | 900 | Screw Terminal | Steel | — | ——— | 0 | 9.6 | 3671K191 | 000000 | ||
| 14" | 1 1/2" | 1,600 | 900 | Screw Terminal | Steel | 13.3 | 3671K661 | 000000 | — | ——— | 0 | ||
| 14" | 1 1/2" | 1,900 | 900 | Screw Terminal | Steel | — | ——— | 0 | 7.9 | 3671K192 | 000000 | ||
Wraparound Heaters for Nozzles
 |  |
With Mica Insulation | With Mineral Insulation |
Often used with extrusion-, injection-, and blow-molding machinery, these heaters clamp around nozzles to keep material warm for consistent discharge. They require a temperature switch or controller (sold separately) to regulate heat output.
Note: The heater must be sized to fit tightly around the barrel to prevent air gaps that lead to inefficient heating and premature failure.
With Mineral Insulation—Heaters with mineral insulation heat up faster than heaters with mica insulation.
Wire Lead | 120V AC, Single Phase | 240V AC, Single Phase | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Nozzle OD | Wd. | Wattage, W | Max. Heat Output, ° F | Lg. | OD | Covering Material | Material | Current, amp | Each | Current, amp | Each | ||||
With Mica Insulation | |||||||||||||||
| 1" | 1" | 100 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 0.8 | 3594K114 | 0000000 | 0.4 | 3594K115 | 0000000 | ||
| 1" | 1 1/2" | 150 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 1.3 | 3594K116 | 000000 | 0.6 | 3594K117 | 000000 | ||
| 1" | 2" | 200 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 1.7 | 3594K118 | 000000 | 0.8 | 3594K119 | 000000 | ||
| 1 1/2" | 1" | 150 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 1.3 | 3594K121 | 000000 | 0.6 | 3594K122 | 000000 | ||
| 1 1/2" | 1 1/2" | 300 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 2.5 | 3594K123 | 000000 | 1.3 | 3594K124 | 000000 | ||
| 1 1/2" | 2" | 300 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 2.5 | 3594K125 | 000000 | 1.3 | 3594K126 | 000000 | ||
| 2" | 1 1/2" | 300 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 2.5 | 3594K127 | 000000 | 1.3 | 3594K128 | 000000 | ||
| 2 1/2" | 1 1/2" | 350 | 900 | 12" | 0.08" | Fiberglass | 430 Stainless Steel | 2.9 | 3594K213 | 000000 | 1.5 | 3594K214 | 000000 | ||
With Mineral Insulation | |||||||||||||||
| 1" | 1" | 150 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 1.3 | 3594K191 | 000000 | — | ——— | 0 | ||
| 1" | 1 1/2" | 200 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 1.7 | 3594K251 | 000000 | 0.8 | 3594K252 | 000000 | ||
| 1 1/2" | 1" | 225 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 1.9 | 3594K491 | 000000 | 0.9 | 3594K492 | 000000 | ||
| 1 1/2" | 1 1/2" | 350 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 2.9 | 3594K971 | 000000 | 1.5 | 3594K972 | 000000 | ||
| 1 1/2" | 2" | 400 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 3.3 | 3594K981 | 000000 | 1.7 | 3594K982 | 000000 | ||
| 2" | 1 1/2" | 425 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 3.5 | 3594K991 | 000000 | 1.8 | 3594K992 | 000000 | ||
| 2 1/2" | 1 1/2" | 525 | 1,200 | 12" | 0.22" | Stainless Steel | 430 Stainless Steel | 4.4 | 3594K112 | 000000 | 2.2 | 3594K113 | 000000 | ||
