Caution – Sterlco Midsize User Manual
Page 19

Portable Hot Oil Temperature Control Units
Page 19
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CAUTION
The reservoir tank must be vented to prevent pressurization.
A pressurized reservoir could rupture, allowing hot fluid
to escape and become a potential fire and slip hazard.
Note: Heat transfer fluids expand when heated. Expansion
rates vary, depending on fluid types and temperatures.
For more information on expansion rates, refer to
specification information for the heat transfer fluid you
select.
Generally, most heat transfer fluids expand at the rate of
2.5% for every increase of 50°F/°C from temperatures
above 60°F (16°C).
Figure 2
Portable Hot Oil Temperature Control Unit Piping Setup
Vent solenoid
Fill port (must be plugged
except when filling) 1” NPT
Sight glass (reservoir
level gauge)
Manual bypass valve
Oil reservoir
drain 1/2” NPT
Cooling water
supply 3/4” NPT
Cooling water
drain 3/4” NPT
From Process
oil 1” NPT
To Process
oil 1” NPT
Oil drain 1” NPT