Screw Plug Immersion heaters

Ideal for Direct Immersion Heating of Liquids

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.

Specifications:

DescriptionInformation
MaterialAlloy 800/840
Maximum Operating Temperature – C870 ºC
Maximum Operating Temperature – F1600 ºF
Maximum Watt Densities18.6 W/cm^2
Maximum Watt Densities120 W/in^2
DescriptionInformation
MaterialN/A
Maximum Operating Temperature – C175 ºC
Maximum Operating Temperature – F350 ºF
Maximum Watt Densities18.6 W/cm^2
Maximum Watt Densities120 W/in^2
DescriptionInformation
MaterialStainless Steel
Maximum Operating Temperature – C650 ºC
Maximum Operating Temperature – F1200 ºF
Maximum Watt Densities18.6 W/cm^2
Maximum Watt Densities120 W/in^2
DescriptionInformation
MaterialSteel
Maximum Operating Temperature – C400 ºC
Maximum Operating Temperature – F750 ºF
Maximum Watt Densities18.6 W/cm^2
Maximum Watt Densities120 W/in^2