Carnes TDBA-G4 User Manual
SPECIFICATION SHEET
Model TDBA_G4
Imperial [IP] Dimensions
Metric (SI) in Parentheses
CARNES COMPANY 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 www.carnes.com
Double Deflection
4-Way Blow
B
D
A
3”
C
Neck Size
A B C D CFM
14x14 24 10 21 800-2,000 50
20x20 32 10 29 1,600-4,100 80
24x24 35-1/2 10 32-1/2 2,400-6,000 100
28x28 39 12 36 3,200-8,100 120
30x30 41-1/2 15 38-1/2 3,700-9,400 140
36x36 50 15 47 5,400-13,500 195
COPYRIGHT © 2014 CARNES COMPANY
ALL RIGHTS RESERVED
Est.
Weight
SUPERSEDES 13109 13109-A, page 1
STANDARD FEATURES:
• 18 ga. top/bottom panels
• 20 ga. grille panels
• 20 ga. air diverter
• Double defl ection grilles
• TDC connection fl anges
• Intermediate turning vanes
• 1” 1-1/2# insulation on bottom for noise control
• 3/8-16 threaded inserts in each corner for
mounting
Option:
• Balancing dampers (TDBA_H4)
4-WAY BLOW WITH DIFFUSERS
NECK
SIZE
14
22
24
28
30
36
INTAKE DUCT VELOCITY
600 750 900 1050 1200 1350 1500
CFM 817 1021 1225 1429 1633 1838 2042
THROW 20-30-56 25-38-63 31-46-69 36-53-75 41-56-80 46-60-85 51-63-89
P 0.064 0.108 0.163 0.229 0.306 0.393 0.491
CFM 1667 2083 2500 2917 3333 3750 4167
THROW 27-41-43 34-51-82 41-62-82 48-68-97 55-73-103 62-77-110 67-82-115
P 0.066 0.101 0.145 0.197 0.258 0.326 0.403
CFM 2400 3000 3600 4200 4800 5400 6000
THROW 35-52-85 43-65-95 52-73-104 61-79-112 69-85-120 73-90-127 77-95-134
P 0.077 0.088 0.102 0.118 0.136 0.156 0.178
CFM 3267 4083 4900 5717 6533 7350 8167
THROW 41-61-92 51-73-103 61-80-113 70-86-122 75-92-130 80-98-138 84-403-146
P 0.063 0.096 0.137 0.188 0.246 0.314 0.389
CFM 3750 4688 5625 6563 7500 8438 9375
THROW 39-59-118 550-75-137 60-90-150 70-105-162 81-121-173 91-130-184 101-137-194
P 0.045 0.067 0.094 0.127 0.165 0.208 0.257
CFM 5400 6750 8100 9450 10800 12150 13500
THROW 39-59-117 49-73-137 59-88-151 68-103-163 78-117-174 88-130-184 98-137-194
P 0.038 0.055 0.077 0.106 0.141 0.181 0.227
Throws based on Carnes standard 2” double defl ection industrial grille performance data.
Throw data assumes the blades are spread 0°. For performance at 22.5° or 45° spreads, apply the following
correction factors:
For 22.5° multiply throws by 0.806
For 22.5° multiply pressure by 1.299
For 45° multiply throws by 0.479
For 45° multiply pressure by 1.907
13109-A, page 2
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