Appendix d: quick chart – Labconco XPert Filtered Balance Stations 3962622 User Manual

Page 80

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Appendix D:

Quick Chart


Model Size

2'

3'

4'

4' Tall

5'

6'

Sash Height from Work Surface
(inches)

9.44

9.44

9.44

12.00

12.00

12.00

Total Open Area with Bypass
(sq. ft.)

1.45

2.20

2.95

3.80

4.80

5.80

Exhaust Airflow Volume at 80fpm
(CFM)

115

175

235

305

385

465

Alarm Airflow Volume at 60 fpm
(CFM)

85

130

175

230

290

350

Initial Mag. Gauge Pressure Reading
(inches H

2

O)

0.20 to .045

0.15 to 0.40

0.10 to 0.35

0.10 to 0.50

0.10 to 0.50

0.10 to 0.50

Number of Laskin Nozzles needed at
10 psig

1

1

1

1

1

1

Exhaust HEPA Filter w/ Gasket
Dimensions (inches)

18x18x3.31

30x18x3.31

42x18x3.31

42x18x3.31

(2) 24x18x3.31

(2) 18x30x3.31

*Motor Horsepower
(HP)

0.13

0.13

0.30

0.30

0.60

0.60

*Capacitor
(MFD, Volts)

10MFD, 115V

(2) 4MFD, 230V

10MFD, 115V

(2) 4MFD, 230V

15MFD, 115V

4MFD, 230V

15MFD, 115V

4MFD, 230V

15MFD, 115V

4MFD, 230V

15MFD, 115V

4MFD, 230V


Fluorescent Lights

F15T8-SP35

F17T8

F25T8

F25T8

F32T8

F40T8



*Excludes XPert Filtered Balance Station, since it has no integral blower.


To determine the actual face velocity at the sash opening, airflow velocity readings
will need to be taken. This should be done across the sash opening of the
enclosure. The “average face velocity” is achieved by taking readings in two rows
across the enclosure with the readings 6" from the ends and evenly spaced every
12"; the first row is 3" down from the upper sash foil and the second row is 3" up
from the work surface.

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