![](/images/stories/seat_hazardous.png) |
Features
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- The SEAT is a range of anti-corrosive polypropylene direct-drive single inlet centrifugal fans suitable for many special applications where the extraction of a corrosive atmosphere is required such as industrial chemical fumes, petrochemical fumes, laboratories and gases up to 700 C (for gas containing chromium see special versions).
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Construction
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- The SEAT casing and inlet connection flange are moulded from tough polypropylene plastic.
- Models 250 and 300 are also provided with a robust sheet metal mounting frame to support the motor and facilitate installation.
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Motor Impeller
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- All models incorporate asynchronous induction motors with squirrel cage rotor in die cast aluminium and is manufactured in accordance with IEC 34-1 standard.
- The following standard specifications apply:
- Three phase 230V 50 Hz - IP55 protection, with Class F insulation.
- All models incorporate radial centrifugal impellers manufactured from tough polypropylene.
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Special Versions |
- Depending upon requirements the fans can be supplied with single phase motors and casings manufactured from PVC, for the extraction of air/gas containing chromium.
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Dimensions
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![](/images/stories/seat_hazardous_dim.png) |
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Model Seat |
A |
B |
C |
D |
E |
F |
G |
H |
L |
M |
Y |
Y1 |
Z |
X |
X1 |
X2 |
P |
20 4/1 |
208 |
305 |
240 |
160 |
100 |
57 |
143 |
32 |
84 |
94 |
180 |
160 |
340 |
240 |
71 |
311 |
390 |
25 4/1 |
248 |
365 |
10 |
200 |
103 |
92 |
165 |
35 |
95 |
105 |
180 |
160 |
420 |
300 |
71 |
371 |
430 |
30 4/1 |
300 |
450 |
373 |
250 |
117 |
112 |
198 |
35 |
110 |
120 |
240 |
220 |
460 |
370 |
90 |
460 |
540 |
35 4/1 |
370 |
570 |
450 |
315 |
130 |
170 |
255 |
60 |
150 |
170 |
350 |
314 |
600 |
468 |
112 |
580 |
822 |
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Sound Data
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Sound Level Hz |
![](/images/stories/seat_hazardous_perf1.png) |
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r.p.m. |
63 |
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
dB(A) |
1450 |
42 |
57 |
60 |
57 |
66 |
54 |
47 |
39 |
51 |
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![](/images/stories/seat_hazardous_perf2.png) |
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r.p.m. |
63 |
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
dB(A) |
1450 |
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|
62 |
66 |
55 |
52 |
46 |
54 |
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![](/images/stories/seat_hazardous_perf3.png) |
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r.p.m. |
63 |
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
dB(A) |
1450 |
68 |
69 |
61 |
56 |
53 |
50 |
47 |
42 |
55 |
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![](/images/stories/seat_hazardous_perf4.png) |
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r.p.m. |
50 |
100 |
125 |
500 |
1000 |
2500 |
5000 |
10000 |
B(A) |
1450 |
68.1 |
65.7 |
68.2 |
68 |
67.4 |
66.7 |
66.8 |
50.3 |
82.4 |
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PDF
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![Download PDF file Click here to download more information](http://fans.co.za/images/stories/pdf1.png)
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