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Explosion proof roof fans SVWOD EX ≤7370 m³/h

  • SVWOD EX - Ø400-560 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
  • SVWOD 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
  • SVWOD 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 and cover from rain made from steel, antistatic paint covered
  • axial impeller made from plastic
  • 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
Code
SVWOD EX
Ø A
Ø B Ø C H
nxØd
40 400 438 888 355 8x9.5
50 500 538 888 355 8x9.5
56 560 600 888 400 12x9.5

 

Code
SVWOD 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
40M/3F III 400 2730 33 180 0.8 0.72 67 900 20
40D/3F III 400 4200 80 250 0.8 0.78 72 1400 21
50M/3F III 400 3740 42 180 0.8 0.72 68 900 22
50S/3F III 400 5960 100 370 1.3 1.1 76 1400 23
50D/3F III 400 6930 110 550 1.7 1.55 77 1400 23
56M/3F III 400 4790 51 370 1.3 1.24 69 900 26
56S/3F III 400 7370 170 550 1.6 1.55 76 1400 26

 

Pressure loss diagrams