GRD centrifugal roof fan

Centrifugal roof fans with EC motor and integrated control for constant pressure or constant volumetric flow

GRD centrifugal roof fan IM0009963.PNG Centrifugal roof fans with EC motor and integrated control for constant pressure or constant volumetric flow

Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.

ArticleGRD 22GRD 25GRD 31
ProduktdetailsProduktdetailsProduktdetails
  • On the notes
  • On the notes
  • On the notes
Product type Centrifugal roof fan Centrifugal roof fan Centrifugal roof fan
Article number: 0087.0016 0087.0017 0087.0018
Air flow volume1.970 m³/h2.690 m³/h3.600 m³/h
Air volumenom950 m³/h / in opt. efficiency1.370 m³/h / in opt. efficiency2.020 m³/h / in opt. efficiency
Pressure pfs, nom370 Pa / in opt. efficiency390 Pa / in opt. efficiency380 Pa / in opt. efficiency
Rotating speed nnom1.810 1/min / in opt. efficiency1.660 1/min / in opt. efficiency1.490 1/min / in opt. efficiency
Rotating speed1.883 1/min1.828 1/min1.732 1/min
Impeller typeradialradialradial
Speed controllable
Reversing capacity---
Rated voltage230 V230 V230 V
Frequency50 Hz50 Hz50 Hz
Nominal output280 W / in opt. efficiency410 W / in opt. efficiency600 W / in opt. efficiency
Inom1,7 A / in opt. efficiency2,5 A / in opt. efficiency3,5 A / in opt. efficiency
Imax1,9 A2,6 A3,6 A
Degree of protectionIP 45IP 45IP 45
Insulation classBBB
Mains cable3 x 1,5 mm²3 x 1,5 mm²3 x 1,5 mm²
Installation siteRoofRoofRoof
Installation positionverticalverticalvertical
MaterialSheet steel, galvanisedSheet steel, galvanisedSheet steel, galvanised
Weight27,3 kg30,7 kg42,3 kg
Shutterintegratedintegratedintegrated
Type of shutterAirstream-operated opening/closingAirstream-operated opening/closingAirstream-operated opening/closing
Nominal size224 mm250 mm315 mm
Width554 mm614 mm724 mm
Height554 mm614 mm724 mm
Depth437 mm471 mm547 mm
Airstream temperature at nominal current-20 °C up to 50 °C-20 °C up to 50 °C-20 °C up to 50 °C
Airstream temperature at IMax-20 °C up to 50 °C-20 °C up to 50 °C-20 °C up to 50 °C
Packing unit1 piece1 piece1 piece
RangeCCC
GTIN (EAN)401279987016640127998701734012799870180

* Blue markings show the differences between the products.

Notes
Inquiry
Product comparison
The wish list option allows you to make a note of all the products you are interested in. You can change your wish list as often as you want to. You can change the quantity and item position of the products, go back to the product page, download product data sheets, delete items and mark products as optional. You can save your wish list to your computer and then call it up again at a later time to make more changes, if required. Using the list, you can then download the tender text for all the products you have saved to the list, create an enquiry or compare products.
Assort Product type Name Art. No. PDF Range List price* (EUR) Quantity Optional Total gross amount (EUR)
There are no products on the list
Save wish list on local computer
Load wish list from local computer

Search

Here you can search for products, documents, contents pages etc.

Our website uses cookies in order to provide you an optimal service. Agreed

Acknowledgements Data protection