Chromalox Big Red Book
Process Air and Radiant
Chromalox ® Specification Data Sheet Tubular Air Duct Heaters Form PF303 Customer Name: Reference:
Date:
6, 7. Terminal Box
III
8. Flange
9, 10. Insulation Housing (when applicable)
I
II
4
H
Airflow Direction
A
IV
E
3-1/2
C
K
B
D
L
Note — Duct opening is D + 1/4 by M + 1/4
M
2, 3, 4. Elements
Note — Drawing Is For Illustration Purposes Only.
Operating Conditions 1. APPLICATION (Describe in Detail):
o None (Standard)
5. TERMINAL SEALS:
o Silicone Fluid (500°F)
o Silicone Resin (450°F)
o RTV (450°F)
o Epoxy (250°F)
o Other (Specify) 6. TERMINAL BOX CONSTRUCTION: o General Purpose (Standard) o Explosion Resistant 7. TERMINAL BOX MATERIAL:
o Moisture Resistant
2. AIR FLOW: 3. INLET AIR TEMPERATURE: 4. OUTLET AIR TEMPERATURE: 5. OPERATING TEMPERATURE 7. DUCT DIMENSIONS: 8. AIR FLOW DIRECTION: 10. AMBIENT TEMPERATURE: 6. o Indoor
o Aluminized Steel (Standard)
°F
o 304 Stainless Steel
o 316 Stainless Steel
°F
o Other (Specify) 8. FLANGE MATERIAL:
psig.
o Steel (Std.)
o 304 Stainless Steel
o Outdoor
o 316 Stainless Steel 9. INSULATION HOUSING: (Below Flange):
L
W
o Yes
o No
o I
o II
o III
o IV
o Height:
in. (3-5/8" Std.)
°F Heater Specifications (Check All That Apply) 1. RATING: Volts Phase
10. INSULATION HOUSING: o 304 Stainless Steel (Std.)
o 316 Stainless Steel
Kilowatts
o Other (Specify) 11. OVERHEAT THERMOCOUPLE WELDED TO SHEATH: o Type J o Type K o Other (Specify) 12. HEATER DIMENSION (Inches): A B
No. of Electrical Circuits: o Other: No. Circuits:
o Standard kW/Circuits:
o Tubular (Std.)
o Finned Tubular
2. HEATING ELEMENTS:
C
3. HEATING ELEMENT SHEATH MATERIAL: Tubular: o INCOLOY ® (Standard)
D
E
H
K
L
M
13. AGENCY APPROVALS: o None o U.L. Component Recognized (Standard) o C.S.A. Certified (Standard) o Other (Specify) 14. OTHER SPECIAL FEATURES:
o 304 Stainless Steel
o 316 Stainless Steel o Other (Specify) Finned Tubular: o Steel o 304 Stainless Steel
o Ceramic-Coated Steel
o MONEL ®
o Other (Specify)
4. HEATING ELEMENT WATT DENSITY: o 20 W/In 2 o 22 W/In 2
o 30 W/In 2
17. MODEL NO.:
o Other (Specify)
E-16
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