Screw Plug Heaters
Ideal for Direct Immersion Heating of Liquids
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Screw plug immersion heaters are ideal for direct immersion heating of liquids, including all types of oils and heat transfer solutions. Available in a variety of sizes, Watlow screw plug immersion heaters feature both WATROD round and FIREBAR flat tubular elements. Heating elements are hairpin bent and either welded or brazed into the screw plug, depending on element sheath and plug material compatibility. General purpose terminal enclosures are standard with optional moisture resistant, explosion resistant and explosion/moisture resistant enclosures available to meet specific application needs. Optional thermostats provide convenient process temperature regulation to the screw plug immersion heater.
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Description Information Material Alloy 800/840 Maximum Operating Temperature - C 870 Maximum Operating Temperature - F 1600 Maximum Watt Densities 18.6 Maximum Watt Densities 120 Description Information Material N/A Maximum Operating Temperature - C 175 Maximum Operating Temperature - F 350 Maximum Watt Densities 18.6 Maximum Watt Densities 120 Description Information Material Stainless Steel Maximum Operating Temperature - C 650 Maximum Operating Temperature - F 1200 Maximum Watt Densities 18.6 Maximum Watt Densities 120 Description Information Material Steel Maximum Operating Temperature - C 400 Maximum Operating Temperature - F 750 Maximum Watt Densities 18.6 Maximum Watt Densities 120 -
Downloads
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Catalog
Engineering Bulletin
Specification Sheet
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Screw plug immersion heaters are ideal for direct immersion heating of liquids, including all types of oils and heat transfer solutions.
Available in a variety of sizes, Watlow screw plug immersion heaters feature both WATROD round and FIREBAR flat tubular elements.
Heating elements are hairpin bent and either welded or brazed into the screw plug, depending on element sheath and plug material compatibility.
General purpose terminal enclosures are standard with optional moisture resistant, explosion resistant and explosion/moisture resistant enclosures available to meet specific application needs.
Optional thermostats provide convenient process temperature regulation to the screw plug immersion heater.
| Description | Information |
|---|---|
| Material | Alloy 800/840 |
| Maximum Operating Temperature - C | 870 |
| Maximum Operating Temperature - F | 1600 |
| Maximum Watt Densities | 18.6 |
| Maximum Watt Densities | 120 |
| Description | Information |
|---|---|
| Material | N/A |
| Maximum Operating Temperature - C | 175 |
| Maximum Operating Temperature - F | 350 |
| Maximum Watt Densities | 18.6 |
| Maximum Watt Densities | 120 |
| Description | Information |
|---|---|
| Material | Stainless Steel |
| Maximum Operating Temperature - C | 650 |
| Maximum Operating Temperature - F | 1200 |
| Maximum Watt Densities | 18.6 |
| Maximum Watt Densities | 120 |
| Description | Information |
|---|---|
| Material | Steel |
| Maximum Operating Temperature - C | 400 |
| Maximum Operating Temperature - F | 750 |
| Maximum Watt Densities | 18.6 |
| Maximum Watt Densities | 120 |
Downloads
Brochure
Catalog
Engineering Bulletin
Specification Sheet
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