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Over The Side
Immersion Heaters - All applications must consider the suitability
of the sheath material, the correct watt density, the mounting
method to fit into the tank, available length along the tank
bottom, the riser height, size of the tank opening and appropriate
terminal enclosure.
Call
ASB Heating Elements Limited for Technical Assistance: 1-800-265-9699
 Over
The Side Immersion Heaters
Over The Side Immersion Heaters
come in a wide variety of configurations, styles, and shapes.
Our goal is create a simple yet effective design to solve any
fluid-heating environment you have. By selecting the best sheath
material, choosing the optimum fitting method and manufacturing
the elements to any desired watt density you can expect the
optimum engineered heating solution for your requirements.
Fast delivery gets you this perfect heater almost immediately.
Over
The Side Immersion Heaters
- used when an immersion heater
cannot be installed into a tank fitting or
- when heater removal without
draining the tank is vital
- these heaters are lowered
into the liquid from the top
- can have very long vertical
risers for power connections to be made at the
top of the tank, heaters with a 45 foot vertical risers have
been installed
- there is no heat generated
in the vertical riser
- general purpose terminal enclosure
(NEMA 1), weather resistant terminal enclosure (NEMA 4), and
hazardous location terminal enclosure (NEMA 7), available
- thermocouples, thermostats,
and high limit controls can be built-in
Most Common
Sheath Material
- copper
- steel
- stainless steel
- Incoloy 800®
- Inconel 600®
- titanium
- Other sheath material also
offered
Most Common
Terminal Enclosures
- General Purpose NEMA1
- Weather Resistant NEMA 4,
NEMA 4X
- Hazardous Location NEMA 7
Most
Common Sheath Materials, Application, and Watt Densities
|
Sheath
Material
|
Application
|
Watt
Density
Watt.in2
|
|
Copper
|
To heat potable
water |
40-72
|
|
Steel
|
Oil |
20-25
|
|
|
Hydraulic oil |
12-15
|
|
Stainless
Steel
|
Process water,
mild acid, de-ionized water |
20-60
|
|
Incoloy
800®
|
Water, mild
alkaline solutions, air and gases maximum sheath temperature
1400ºF |
10-125
|
|
Incoloy
600®
|
Water,
very alkaline solutions, high temperature air and gases
Maximum sheath temperature 1500ºF |
10-50
|
Most common
built-in control Options
- "K" calibrated thermocouple
for high limit sheath protection
- "J" calibrated thermocouple
for temperature control
- mechanical thermostats:
Power Ratings
- up to 240 volts, 25-amp single
pole, single throw (SPST)
- up to 240 volts, 25-amp double
pole, single throw (DPST)
- up to 600 volts, 15-amp triple
pole, single throw (TPST)
Temperature Ranges
- -16 to 40°C (0-100°F)
- 10 to120°C (50-250°F)
- 70 to 280°C (160-540°F)
- 160 to 370°C (320-700°F)
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