C
APPENDIX C
TYPICAL DUCT TYPES
Figure 23
Figure 24
Nonmetallic, Insulated,
Metallic, Insulated
Lined (Non porous Inner Core)
34
Figure 25
Nonmetallic, Uninsulated
Figure 26
Metallic, Uninsulated
Figure 27
Nonmetallic Insulated,
Perforated (Porous Inner Core)
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