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Explosion proof roof fans SVWDB EX ≤7000 m³/h
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European delivery - 30 working days, other countries +7 working days.
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Explosion proof roof fans SVWDB EX ≤7000 m³/h
- SVWDB EX - Ø160-355 mm explosion-proof centrifugal roof fans designed to convey vapor or gas from commercial, industrial and other premises where there is a high risk of explosion due to explosive or flammable gas
- with centrifugal impeller designed for continuous work in difficult conditions
- complies with ATEX directive
- SVWDB EX 2G - fans intended for operation in Z1 (1) and Z2 (2) gas explosion zones are identified by the following symbols:
-
- temperature class: T1 to T3 (special order T4)
- explosion group: II (Subgroups IIA and IIB)
- fans not fitted for speed control
- maximum ambient temperature 40 °C
- SVWDB EX 3G / 3D - fans designed to operate in the Z2 (2) and Z22 (22) gas and dust explosion areas are identified by the following symbols:
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- temperature class: T1 to T3
- maximum dust surface temperature up to 120 °C
- maximum ambient temperature 40 °C
- gas explosion group: IIA and IIB
- dust explosion group: IIIB
- fans adapted for speed control by a special frequency converter
- temperature sensors (3xPTC 155C) mounted on the fan motor should be connected to an EC certified relay to ensure proper motor protection during control
- explosion-proof fans for zone Z1 (1) with frequency converter can be ordered on request
- fan housing made from stainless steel, cover from rain from steel, antistatic paint covered
- centrifugal backward impeller made from stainless steel
- all models with three-phase, explosion-proof electric motors, protection class IP55
- manufactured under Directive 8/37/EC - Machinery Safety, Directive 94/9/EC (ATEX) - Equipment and protective systems in potentially explosive atmospheres
- marking of zones:
- Z1 - zone in which, under normal conditions of use, a vapor or gas mixture may be formed
- Z2 - zone with low probability of explosive gas mixture, explosive mixture may only be present for a short time
- Z22 - area with low probability of formation of explosive dust mixture, ie. transient, for example, during a fault
- 1 year warranty
Brand: ESEM
|
Code
SVWDB EX
|
Ø D
|
Ø D1 | Ø A | B |
nxØd
|
| 160 | 160 | 185 | 440 | 450 | 4x7 |
| 200 | 200 | 225 | 630 | 580 | 4x9.5 |
| 250 | 250 | 275 | 630 | 580 | 4x9.5 |
| 315 | 315 | 352 | 630 | 600 | 8x9.5 |
| 355 | 355 | 387 | 730 | 700 | 8x9.5 |
|
Code SVWDB EX
|
Phase
|
Voltage, V at 50 Hz |
Capacity, m³/h
|
Pressure, Pa
|
Power, W | Current, A 3x400 V 2G | Current, A 3x400 V 3G/3D | Noise level, dB(A)4m | Speed, min-1 | Weight, kg |
| 16M/3F | III | 400 | 480 | 150 | 120 | 0.5 | 0.55 | 55 | 1400 | 14 |
| 16D/3F | III | 400 | 1425 | 600 | 550 | 1.4 | 1.4 | 71 | 2800 | 20 |
| 18M/3F | III | 400 | 1220 | 150 | 250 | 0.71 | 0.78 | 68 | 1400 | 26 |
| 18D/3F | III | 400 | 2700 | 400 | 1500 | 3.3 | 3.1 | 77 | 2800 | 26 |
| 20D/3F | III | 400 | 2050 | 250 | 370 | 0.98 | 1.1 | 63 | 1400 | 25 |
| 20S/3F | III | 400 | 2425 | 300 | 750 | 1.9 | 1.85 | 70 | 1400 | 35 |
| 31M/3F | III | 400 | 2400 | 185 | 750 | 2.1 | 2.1 | 62 | 900 | 39 |
| 31D/3F | III | 400 | 3200 | 390 | 1500 | 3.4 | 3.5 | 73 | 1400 | 36 |
| 35M/3F | III | 400 | 3500 | 400 | 1500 | 3.4 | 3.5 | 71 | 1400 | 41 |
| 35S/3F | III | 400 | 7000 | 350 | 2200 | 5.4 | 5.6 | 73 | 950 | 88 |
Pressure loss diagrams
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