roof fans
With vertical air outlet

Roof fans

The motor is separated from the air flow and designed for fluid temperatures up to 120°C in continuous operation.
compact modern design – seawater resistant aluminum – high efficiency – vertical air outlet

walpol_Produkt_dv
Type WDV-A 355

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 3,000 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Voltage controllable standard motor
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
walpol_Produkt_dv
Type WDV-A 355 EC

with backward curved impellers - with high efficiency EC motor outside the air stream

Volume flow up to 3,800 m³/h

  • high efficiency EC motor outside airflow from premium manufacturer
  • Regulation with potentiometer
  • Roof fan with vertical air outlet (discharge)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
walpol_Produkt_dv
Type WDV-A 400

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 3,700 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Voltage controllable standard motor
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
walpol_Produkt_dv
Type WDV-A 400 EC

with backward curved impellers - with high efficiency EC motor outside the air stream

Volume flow up to 5,000 m³/h

  • high efficiency EC motor outside airflow from premium manufacturer
  • Regulation with potentiometer
  • Roof fan with vertical air outlet (discharge)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
walpol_Produkt_dv
Type WDV-A 450

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 5,800 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Voltage controllable standard motor
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
walpol_Produkt_dv
Type WDV-A 450 EC

with backward curved impellers - with high efficiency EC motor outside the air stream

Volume flow up to 7,100 m³/h

  • high efficiency EC motor outside airflow from premium manufacturer
  • Regulation with potentiometer
  • Roof fan with vertical air outlet (discharge)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
walpol_Produkt_dv
Type WDV-A 450 GL / 400V

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 6,000 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Efficient IEC motor (only controllable via FI)
  • infinitely variable FU-controllable (accessories)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Inlet nozzle with bird screen
walpol_Produkt_dv
Type WDV-A 500 EC

with backward curved impellers - with high efficiency EC motor outside the air stream

Volume flow up to 9,600 m³/h

  • high efficiency EC motor outside airflow from premium manufacturer
  • Regulation with potentiometer
  • Roof fan with vertical air outlet (discharge)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
walpol_Produkt_dv
Type WDV-A 500 GL / 400V

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 8,100 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Efficient IEC motor (only controllable via FI)
  • infinitely variable FU-controllable (accessories)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Inlet nozzle with bird screen
walpol_Produkt_dv
Type WDV-A 560 EC

with backward curved impellers - with high efficiency EC motor outside the air stream

Volume flow up to 12,900 m³/h

  • high efficiency EC motor outside airflow from premium manufacturer
  • Regulation with potentiometer
  • Roof fan with vertical air outlet (discharge)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
walpol_Produkt_dv
Type WDV-A 560 GL / 400V

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 11,300 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Efficient IEC motor (only controllable via FI)
  • infinitely variable FU-controllable (accessories)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Inlet nozzle with bird screen
walpol_Produkt_dv
Type WDV-A 630 GL / 400V

with backward curved impellers - with efficient motor outside the airflow

Volume flow up to 14,200 m³/h

  • Roof fan with vertical air outlet (discharge)
  • Motor outside the air flow !
  • Efficient IEC motor (only controllable via FI)
  • infinitely variable FU-controllable (accessories)
  • Housing made of seawater-resistant aluminum, base frame made of powder-coated, galvanized sheet steel
  • designed for fluid temperatures up to 120 °C
  • with backward curved radial impellers
  • Inlet nozzle with bird screen
walpol_Produkt_dvk
Type WDV-K 315

with backward curved impellers - with efficient motor outside the airflow

- ideal for snack carts and containers -.

Volume flow up to 1,200 m³/h

  • Roof fan with horizontal air outlet (discharge)
  • Galvanized sheet steel housing
  • black powder coated
  • with backward curved radial impellers
  • Motor protection through built-in thermal contacts
  • Base frame with deep-drawn inlet nozzle with bird screen made of galvanized sheet steel
  • low sound level
  • Upper part of housing hinged for inspection and cleaning
oUR NEW GENERAL CATALOG 2023