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PEERLESS Fume Hood Fans / Blowers
The Peerless Electric “Ultrafan-Pak-2002” forward curve belt drive blower is a high quality, low cost, heavily constructed and completely self contained unit which is designed for ease of access to the motor, drives and bearings.
The low speed characteristic of the forward curve wheel design makes for an extremely quiet and efficient operating unit. These blowers are designed for use in high volume, low and medium pressure, clean air, ventilating and exhaust applications.
Wheel sizes range from 8” (203mm) through 24” (609mm).
The horsepower curve is always maximum at free air delivery
and the maximum efficiency is near the peak static pressure.
All units are equipped with a convertible discharge which can be rotated easily to any of the eight 45 degree positions. Units are available in all AMCA construction classes. The ratings shown are based on tests and procedures in accordance with
AMCA Publication 211 and comply with the requirements
of the AMCA Certified Ratings Program.
The following are eleven (11) blower / fan models available for Fume Hood venting:
Model NBR. |
FCB8 |
FCB9 |
FCB11 |
FCB12 |
FCB13 |
FCB15 |
FCB16 |
FCB18 |
FCB20 |
FCB22 |
FCB24 |
Wheel Diam. |
7 3/4" |
9" |
10 1/2" |
12 1/4" |
13 1/2" |
15" |
16 1/4" |
18 1/4" |
20" |
22 1/4" |
24 1/2" |
Tip Speed |
1.996 x rpm |
2.356 x rpm |
2.782 x rpm |
3.207 x rpm |
3.534 x rpm |
3.927 x rpm |
4.189 x rpm |
4.712 x rpm |
5.236 x rpm |
5.825 x rpm |
6.414 x rpm |
Max. Speed |
3006 rpm |
2547 rpm |
2157 rpm |
1871 rpm |
1698 rpm |
1400 rpm |
1313 rpm |
1061 rpm |
955 rpm |
858 rpm |
779 rpm |
Outlet - Inside |
0.296 SF |
0.296 SF |
0.636 SF |
0.858 SF |
1.049 SF |
1.280 SF |
1.560 SF |
1.899 SF |
2.316 SF |
2.827 SF |
3.458 SF |
Outlet - Outside |
8 1/4" x 5 3/8 |
10 3/4" x 6 1/2" |
11 3/4" x 8" |
13 1/4" x 9 5/8" |
14 5/8" x 10 3/4" |
16 1/4" x 11 3/4" |
17 3/4" x 13" |
19 5/8" x 14 1/4" |
11 1/2" x 15 7/8" |
24" x 17 3/8" |
26 1/4" x 19 3/4" |
Inlet - Inside |
0.338 SF |
0.406 SF |
0.525 SF |
0.921 SF |
1.108 SF |
1.374 SF |
1.670 SF |
2.020 SF |
2.435 SF |
3.015 SF |
3.650 SF |
Inlet - Outside |
8" Diam |
9" Diam |
10" Diam |
13 1/4" Diam |
14 1/2" Diam |
16 1/2" Diam |
17 7/8" Diam |
19 5/8" Diam |
21 1/2" Diam |
23 7/8" Diam |
26 3/8" Diam |
To determine blower capacity required, multiply area of slot in square feet by intake velocity to obtain CFM moved.
The data covers average conditions. Total air movement resulting from the above figures is based on average velocity over the entire open face of the hood or grill and in case of exhaust through side slots, on slotted areas covering both sides of the tank or canopy. Static pressure resistance of entire system should be calculated to accurately select proper blower for
each installation.
Process |
Type or Slot |
Average Intake Velocity |
Chemical Laboratory |
Enclosed hood, Front opening down draft, table type |
100 - 150 FPM 150 - 200 FPM |
The above suggested CFM requirements are based on 25 Linear feet or less of straight ducting or with one 90 degree elbow.
Ducting NOT supplied with Fume hood and to be obtained locally to job site.
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