Guidelines for Determining
Process Heating Requirements
(80k)

Determine Appropriate Watt Density (26k)

Select Type of Heater(S) (30k)

Determine Proper Sheath Material (30k)

Thermal System Design (40k)

Factors Affecting System Accuracy (107k)

Selection of Temperature Control (106k)

Guides for Estimating Heat Losses
- charts 1T - 5T
(17k)

Physical Properties of Materials
- charts 6T - 11T
(172k)

Sheath Temperatures Relative to
Watt Density - charts 12T - 22T / 22A - 22F
(42k)

Watt Density & Operating Temperature
Guidelines for Various Materials
- chart 23T
(16k)

Corrosion Resistance of Sheath Materials
- chart 24T
(142k)

Process Infrared Heating
- charts 26T - 41T
(283k)

Radiant Temperature/Color Comparison
- charts 42T - 45T
(15k)

Quick Estimates for Wattage Requirements (13k)

Determining Wattage Requirements
for Enclosure Heaters
(9k)

KW Requirements for Maintaining
Tank Temperatures Against Heat Losses
(31k)

Process Heating Application Examples (204k)

Determining Watt Density (29k)

Pressure/Temperature Ratings
of Steel & Stainless Steel Flanges
(30k)

Tank Capacities (13k)

Saturated Steam (9k)

Sheath Material Composition (12k)

Terminal Enclosure Descriptions (58k)

Standard Pipe Data (15k)

Electrical Data (63k)

Conversion Data (85k)

Formulas for Determining
Geometric Areas & Volumes
(37k)

Thermal System Glossary (29k)

Common Abbreviations & Acronyms (15k)

Complete Engineering & Tech Section (1645k)

. . . . . .
Flexible Heaters and Band Heaters
Insertion Heaters
Process Electric Heaters
Strip Heaters and Mini-Tubular Heaters
Radiant Heaters
Controls, Sensors and Acessories



GUIDELINES FOR DETERMINING
PROCESS HEATING REQUIREMENTS

System Description
Calculate Wattage Required
  • For process start-up
  • For process operation
  • To replace heat losses
  • For contingency factors
Determine Appropriate Watt Density
  • For heat source limitations
  • For material limitations
Select Type of Heater(s)
  • Method of installation
  • Effects of contamination
Determine Proper Sheath Material
  • Corrosion considerations
  • Effects of heat transfer medium
Thermal System Design
  • Thermal System components
  • Factors affecting system accuracy
Selection of Temperature Control
  • Open loop system
  • Closed loop system
  • Control modes


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OGDEN MANUFACTURING CO.
103 Gamma Drive, Pittsburgh, PA 15238
phone 800-OMC-4921 or 412-967-3906
fax 888-OMC-9890 or 412-967-3930