CAR - In-line Cirucular Back Draft Shutters - Air Controls
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Back draft shutters to be installed within circular ducting to prevent back draft of air when the fans are switched off. |
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Type CAR |
DØ |
L1 |
L2 |
100 |
96 |
43 |
50 |
110 |
107 |
42 |
56 |
125 |
121 |
49 |
63 |
150 |
146 |
62 |
76 |
160 |
155 |
66 |
81 |
200 |
197 |
120 |
125 |
250 |
247 |
120 |
145 |
315 |
312 |
160 |
178 |
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Non-Return Dampers - Air Controls
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All butterfly type, air activated dampers with their gravity closing action are manufactured from hot dipped galvanised steel. |
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A |
B |
C |
D |
E |
Kg |
315 |
375 |
180 |
300 |
2.0 |
7.5 |
400 |
475 |
220 |
320 |
2.0 |
8.8 |
500 |
585 |
220 |
390 |
2.0 |
11.0 |
560 |
645 |
220 |
420 |
2.0 |
13.5 |
630 |
715 |
250 |
450 |
2.0 |
15.0 |
710 |
795 |
250 |
520 |
2.5 |
23.0 |
800 |
885 |
300 |
550 |
3.0 |
35.0 |
900 |
1000 |
300 |
600 |
3.0 |
44.0 |
1000 |
1100 |
300 |
720 |
3.0 |
50. |
1250 |
1350 |
300 |
830 |
3.0 |
65.5 |
1400 |
1540 |
350 |
900 |
4.0 |
107.0 |
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Iris Duct Dampers - Air Controls
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Galvanized airflow regulator, specifically designed for circular ducts with nylon gear mechanism and rubber gasket on in- and outlet. Two manometer connections measure the differential pressure with a chart to calculate the values on either side whereby the removable key opens the blades.
It is recommended to install the damper at minimum twice the diameter from T connection or from outlet, and at minimum once the diameter from curves and inserted in ducts by 30mm each side for dia 200mm and inferior and by 40mm for the two larger sizes. Use in temperature -10°C to +80°C.
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Iris 720 |
A |
B |
C |
100 |
100 |
110 |
165 |
125 |
125 |
110 |
188 |
160 |
160 |
110 |
230 |
200 |
200 |
110 |
285 |
250 |
250 |
135 |
335 |
315 |
315 |
135 |
410 |
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PVC Ventilex Extraction Valve - Air Controls
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Available in white epoxy steel units and white impregnated PVC. Complete with mounting rings. |
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Size |
AØ |
BØ |
CØ |
Kg |
10 |
100 |
70 |
145 |
0.12 |
12 |
125 |
95 |
160 |
0.15 |
16 |
150 |
115 |
195 |
0.20 |
20 |
200 |
172 |
240 |
0.34 |
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VST Supply Valve - Air Controls
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Size |
AØ |
BØ |
C |
D |
Kg |
10 |
100 |
150 |
66 |
30 |
0.14 |
12 |
125 |
175 |
71 |
35 |
0.21 |
16 |
160 |
200 |
76 |
40 |
0.27 |
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DVP Smart Air Disc Valve - Air Controls
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DVP Smart can be used effectively for exhaust and supply of air in dampe areas such as toilets, bathrooms, kitchens as well as industrial areas and offices.
- Energy effiecient.
- Very low pressure loss values complying with ASHRAE 70 standards.
- No corrosion with all parts manufactured from ABS plastic.
- Fully-airtight product with minimum air leakage offer better indoor air quality with mould control.
- Conserves the flow regime due to Smart design.
- Quick mounting with compact and smart components.
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DVP P SMart |
ØB |
ØC |
ØD |
ØE |
ØF |
ØG |
Ø100 |
96 |
152 |
99 |
116 |
120 |
146 |
Ø125 |
121 |
177 |
124 |
141 |
145 |
171 |
Ø125 |
146 |
202 |
149 |
166 |
170 |
196 |
Ø200 |
121 |
252 |
199 |
216 |
220 |
245 |
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