|Type EV||electrically heated final stage preheater|
|Type ES||electrically heated immersion preheater|
|Type OVGE||steam heated final stage preheater with electrical auxiliary heating|
|Type SEV||immersion preheater with electrical auxiliary heating|
Electric preheaters are used to heat liquid or gas, e.g. as water heaters, oil preheaters, air preheaters or steam superheaters and can be delivered as an explosion proof model if required.