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Process Control & Analyzer Systems
Parker Hannifn Corporation
Parfex Division
Ravenna, OH
Catalog Number 4200-M-2
CH Series Constant Watt Bundles
Maximum Exposure 400°F (200°C)
Process Tubes 1/4” to 1/2” O.D. (6mm to 12mm)
Single or Dual Tube Designs
Minimum
Process
Temperature
to Maintain
Standard Insulation Package *
Environments Average High / Low Ambient Conditions
Extreme Cold Cold Moderate Cold Moderate Warm
-65°F Low
80°F High
-40°F Low
80°F High
-10°F Low
95°F High
0°F Low
105°F High
10°F Low
115°F High
120 Volts -54°C Low
26°C High
-40°C Low
26°C High
-24°C Low
35°C High
-18°C Low
40°C High
-13°C Low
46°C High
250°F (4°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft 12 Watt / Ft
275°F (10°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft
300°F (24°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
325°F (38°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
350°F (52°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
375°F (66°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
400°F (79°C) 18 Watt / Ft 18 Watt / Ft
208 Volts
250°F (4°C) 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft 12 Watt / Ft 12 Watt / Ft
275°F (10°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft
300°F (24°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
325°F (38°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
350°F (52°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
375°F (66°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
400°F (79°C) 18 Watt / Ft 18 Watt / Ft
240 Volts
250°F (4°C) 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft 12 Watt / Ft 12 Watt / Ft
275°F (10°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 12 Watt / Ft
300°F (24°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
325°F (38°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
350°F (52°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
375°F (66°C) 18 Watt / Ft 18 Watt / Ft 18 Watt / Ft
400°F (79°C) 18 Watt / Ft 18 Watt / Ft
* The above heater selection is based upon our standard insulation package, other insulation packages are available upon request.
All CH series products should be installed with temperature sensor and over temperature protection devices to prevent overheating.
How to Use:
1) Check to be sure you are using the correct chart.
2) Choose your operating voltage.
3) Choose the minimum process temperature you want to maintain.
Note: If temperature is not shown, pick the next higher option.
4) Follow chart across to the ambient Condition that best match your area.
5) Use the watt-density shown for your part number derivation.
Note:
The watt-density selected
will maintain the temperature
indicated at a minimum.
Depending upon actual
ambient fuctuations, process
tubes size and number of
tubes, the maintenance
temperature could be higher.