Page 25 - Parker - Energy Products Division - Multitube (Instrument and Heat Trace Tubing Products)

Chemical Processing and Refineries
Catalog Number 4200-M-2
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SL Series Self-Regulating Bundles
Maximum Exposure 185°F (85° C)
Process Tubes 3/4” to 1” O.D. ( 19mm to 25mm)
Single Tube Designs (consult factory for multiple tubes)

Standard Insulation Package *
**Minimum
Process Environments Average High / Low Ambient Conditions
Temperature Extreme Cold Cold Moderate Cold Moderate Warm
to Maintain
-65°F Low -40°F Low -10°F Low 0°F Low 10°F Low
80°F High 80°F High 95°F High 105°F High 115°F High
-54°C Low -40°C Low -24°C Low -18°C Low -13°C Low
120 Volts
26°C High 26°C High 35°C High 40°C High 46°C High
40°F (4˚C) 10 Watt / Ft 8 Watt / Ft 5 Watt / Ft 5 Watt / Ft 3 Watt / Ft
50°F (10˚C) 10 Watt / Ft 8 Watt / Ft 5 Watt / Ft 5 Watt / Ft
75°F (24˚C) 10 Watt / Ft 10 Watt / Ft 8 Watt / Ft
208 Volts
40°F (4˚C) 10 Watt / Ft 8 Watt / Ft 5 Watt / Ft 5 Watt / Ft
50°F (10˚C) 10 Watt / Ft 8 Watt / Ft 8 Watt / Ft 5 Watt / Ft
75°F (24˚C) 10 Watt / Ft
240 Volts
40°F (4˚C) 10 Watt / Ft 8 Watt / Ft 5 Watt / Ft 5 Watt / Ft 3 Watt / Ft
50°F (10˚C) 10 Watt / Ft 8 Watt / Ft 5 Watt / Ft 5 Watt / Ft
75°F (24˚C) 10 Watt / Ft 10 Watt / Ft 8 Watt / Ft

* The above heater cable selection is based upon our standard insulation package, other insulation packages are available to maintain higher
temperatures.
** The maintenance temperature could actually be higher depending upon the size and number of tubes required, it is recommended that
for precise temperature control that a thermal sensor be used. Contact the factory for more exact product thermal property based upon your
application conditions.

How to Use: Note:
1) Check to be sure you are using the correct chart. The watt-density selected will
2) Choose your operating voltage. maintain the temperature indicated
3) Choose the minimum process temperature you at a minimum. Depending upon
want to maintain. Note: If temperature is not shown, actual ambient fluctuations, process
pick the next higher option. tubes size and number of tubes, the
4) Follow chart across to the ambient Condition that maintenance temperature could be
best match your area. higher.
5) Use the watt-density shown for your part number
derivation.

Parker Hannifin Corporation
21 22 Energy Products Division