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TRANE COMPANY
Box Type & Model
Inlet Size (in.)
CFM @ 1"
Area
K (Box Constant)
4" Round
310
0.14
3.27
Single Duct: VCCD / ED / WD / VSSD / VCCE
6" Round
482
0.20
2.65
WE / EE
8" Round
898
0.35
2.44
10" Round
1439
0.55
2.30
Fan Powered Series Fan: VSCD / ED / WD /
12" Round
2086
0.79
2.30
VFPE
14" Round
2823
1.07
2.30
16' Round
3719
1.40
2.27
Fan Powered Parallel Fan: VFCD / ED / WD /
VFPE
Dual Duct: VCDD / VDDD
TEMPERATURE INDUSTRIES
Box Type & Model
Inlet Size (in.)
CFM @ 1"
Area
K (Box Constant)
5" Round
440
0.14
1.62
Single Duct Cooling Only: S-7 / V / 2 / HS
6" Round
600
0.20
1.78
7" Round
850
0.27
1.62
Fan Powered Series Fan: FCN / FCE / FCW
8" Round
1200
0.35
1.36
HFS / HVFS
10" Round
1700
0.55
1.68
12" Round
1900
0.79
2.77
Fan Powered Parallel Fan: HFB / HVFB
14" Round
2750
1.07
2.43
16" Round
3300
1.40
2.89
Dual Duct: SX
18" Round
5500
1.77
1.66
20" Round
6600
2.18
1.75
60 deg travel, counter clockwise to close
24" Round
9500
3.14
1.75
TITUS
Box Type & Model
Inlet Size (in.)
CFM @ 1"
Area
K (Box Constant)
4" Round
244
0.09
2.04
Singe Duct Cooling Only: DESV3000
5" Round
381
0.14
2.04
6" Round
470
0.20
2.79
Fan Powered Series Fan: DFPC / DMFC
7" Round
601
0.27
3.17
8" Round
838
0.35
2.78
Fan Powered Parallel Fan: DMFV
9" Round
995
0.44
3.16
10" Round
1308
0.55
2.78
Dual Duct: DEDV / DEDC
12" Round
1884
0.79
2.78
14" Round
2566
1.07
2.78
90 deg travel, clockwise to close
16" Round
3350
1.40
2.78
