Circulation Heaters
Screw Plug Design
Figure 205-S
Hole 17/64“ Dia
2“
Circulation Heaters
A circulation heater is designed to heat liquids or gases as
they pass though the unit.Similar to a heat exchanger,
except this unit generates its’own heat. An electric fired
circulation heater covers a broad range of heating
applications. A screw plug heater is installed into a pipe
body and multiple units can be series connected to give
you any kilowatt size.
Common features:
Screw Plug Heater
• Typically units shown on pages B1 to B8
• Figure 205 S shows a unit with a built in thermostat,
non-thermostat versions are also available
• General Purpose, Moisture Resistant, or
Hazardous Location terminal boxes available
B
• Copper,steel,stainless steel,Incoloy and other
specialty sheathed heating elements are also available
Pipe Body
• Normally mild steel
• Stainless steel vessels available
• Can be vertically or horizontally mounted
• Vessel is insulated and has a painted steel
outer casing
• Weather resistant casing also available
• NPT inlet and outlet connections
• Overall length approximately 10” longer than the
heater “B”dimensions
6 7/8“
Mounting brackets
supplied loose
6“
6“
B9
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