Fulton Vertical Coil (FT-C_S) Thermal Fluid (hot oil) Heater - Manual (Page 19)

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2-13
SECTION 2
FTCS-IOM-2013-1114
INSTALLATION
!
WARNING
All information in this manual is for
reference and guidance purposes,
and does not substitute for required
professional training, conduct,
and strict adherence to applicable
jurisdictional/professional codes and
regulations.
Fulton Companies is not responsible
for any injury or damage caused by
the use of inadequate fl uid.
developed to give thermal stability over a very wide range of temperature. A
wide variety of thermal fl uids have been used successfully in Fulton Thermal
Fluid Heater systems, however, your fi nal selection should be made in
conjunction with recommendations from Fulton Thermal Corporation or the fl uid
manufacturer.
Consider the following for selection:
1. The Fulton coil design heater is a fi red heat exchanger and the safe
control and monitoring of the thermal fl uid temperature is of paramount
importance.
2. The safe maximum bulk temperature of the fl uid must be strictly adhered
to. The safe maximum temperature of the fl uid varies.
3. Special care must be taken when consulting fl uid manufacturers’ literature,
as maximum fl uid temperatures quoted are the actual limit to which any
of the fl uids may be subjected. It is important to remember that in any
fi red heater there exists a “fi lm temperature” which is higher than the
temperature of the “bulk” of the fl uid. It is the BULK fl uid temperature and
NOT the FILM temperature that is indicated by the instruments.
4. As a general guide, the following list of fl uids that have given satisfactory
service over many years is provided. This is by no means a complete list.
Any fl uid specifi cally designed for heat transfer use may be considered;
multipurpose oils are not acceptable.
 AMOCO Transfer Oil 4199
 CHEVRON
 DOW G
 EXXON 43
 MOBIL
 MONSANTO
 MULTITHERM
 PARATHERM
 PETROCANADA T
 SHELL
 TEXACO
5. Any fl uid specifi cally designed for heat transfer use must also exhibit these
characteristics:
 Be a stable and homogenous liquid to a temperature of at least
100°F (38°C) over and above the maximum intended temperature
of utilization, compatible with metals used in the installation, and
tolerating contact with atmospheric air.
 No solid matter in suspension.
 Non-toxic in the case of leakage.
 Suffi cient lubricity, i.e. not likely to cause seizure.
6. The thermal fl uid manufacturer must guarantee the characteristics of the