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European delivery - 30 days, other countries +7 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:
  •  

  • 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