Manual duct dampers, Flexible duct connections – Labconco Coated Steel, Fiberglass and PVC Blowers 7183200 User Manual
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Chapter 7: Modifying Your Blower
Zero Pressure Weathercaps
The zero pressure weathercap is made of strong, corrosion-
resistant PVC. The cap adds little static pressure to the exhaust
system and allows for vertical discharge of the effluent air for
dispersion away from the building.
Nominal
Diameter/Inches
6
8
10
12
16
Catalog Number
47222
47223
70951
56221
56222
Height/Inches
36
40
48
56
72
Shipping Wt./lbs.
20
25
30
35
40
Equivalent Resistance
in feet of Straight Duct
5
5
5
5
5
Spiral Tube
This spiral tube simplifies temporary installations. It is corrosion-
resistant, neoprene-impregnated fiberglass reinforced with steel
wire. Includes rigid duct connector and two clamps. Length is ten
feet.
Nominal Diameter/Inches
7" for use with
6" fittings
9" for use with
8" fittings
11" for use with
10" fittings
13" for use with
12" fittings
Catalog Number
19651
47194
70277
56223
Shipping Wt./lbs.
10
15
20
25
Equivalent Resistance in feet
of Straight Duct
Because this ductwork is flexible and may conform to various configurations,
it is not possible to know the precise equivalent resistance.
Manual Duct Dampers
This damper fitting allows you to balance airflow. It may be used
with exhaust and auxiliary air ducts, and is usually placed directly
above the fume hood.
Nominal Diameter/Inches
6
8
10
12
16
Catalog Number
47242
47413
59834
59812
47264
Shipping Wt./lbs.
10
12
15
20
25
Approx. Height/Inches
14
19-1/8
19-1/2
19-2/3
24
Flexible Duct Connections
This flexible connection reduces vibration between the blower and
PVC ductwork. It is supplied with two clamps for easy
installation.
Nominal Diameter/Inches
9" for use with 8" fittings
11" for use with 10" fittings
13" for use with 12" fittings
Catalog Number
47265
70342
56214
Shipping Wt./lbs.
5
5
5