Tek-Air VorTek VT-7000 series - Appendix A: Installation Drawings and Formulas; Minimum Installation Requirements

20VORTEK Doc.# VT5 OM 050499, Rel. 2.1
Appendices Appendix A
2X
5X
4X
3X
General Notes
X = Average Duct Dimension
Dampers
Duct Transitions
Fans
Angle Fittings
Centrifugal Inlet
Centrifugal Discharge
Vane-Axial Discharge
Elbows
Sweep
2X
90° Vaned
2X
X
X
Duct Take-Offs
Hoods
Formulas
>15°
<15°
(12" Min)
Not
Recommended
5X
2X
6X
2X
2X
2X
30°
X
30°
2X
2X
3X
Bell Transition
D = Diameter
H = Height in InchesW = Width in Inches
Rect. Duct Area =
W x H
144
Circ. Duct Area =
π
x
144
D
2
2
Design CFM
Duct Area
Design Velocity =
Duct Velocity
3020
2
Oval Duct Area =
2
H
+ ((W - H) x H)
2
144
π
x
Probe Velocity Pressure =
Engineering Department 43 Beaver Brook Road Danbury, CT 06810 (203) 791-1400 Phone (203) 798-6534 Fax
VorTek Airflow Measuring Probes
Minimum Installation Requirements & Formulas
Revision Letter: A
Dwg. No:
Revision Date: 4/21/97
Filename: VT-MIN.CDR
Drawn By: GV
A-1