Roof centrifugal fan ERF 225

Efficient air extraction with reliable roof-mounted design

ERF 225 is a roof-mounted centrifugal fan designed for extracting contaminated air and other non-explosive air-gas mixtures. It is intended for installation on the roof in a horizontal position, making it suitable for systems where you want to maintain orderly airflow and reliable ventilation of the building.

Main advantages

• Strong airflow
  With a capacity of 1100 m3/h, it helps efficiently extract air from the room.
• Stable operation under pressure
  The maximum pressure of 600 Pa supports use in ventilation systems where reliable extraction is required.
• Durable construction
  The galvanized steel housing is designed for durability and long service life.
• Protection against dust and splashing water
  The IP54 protection contributes to greater reliability in more demanding environments.
• Safer motor operation
  The self-resetting overheating protection with automatic restart and ball bearings support smooth operation.

Installation

The fan is intended for roof mounting and is installed in a horizontal position, with the motor shaft axis vertical. It is installed on a mounting cup or on the roof outlet of the ventilation duct. This design allows easy integration into a roof ventilation system.

Frequently asked questions

What is this fan intended for?
It is intended for extracting contaminated air and other non-explosive air-gas mixtures from buildings.

How is the fan installed?
Installation is intended on the roof, in a horizontal position, on a mounting cup or roof duct outlet.

What about protection during use?
The fan has IP54 protection and self-resetting overheating protection with automatic restart.

Is it suitable for long-term operation?
The galvanized steel housing, ball bearings, and 2-year warranty support reliable and long-term use.

Conclusion

ERF 225 is a reliable choice for roof ventilation systems where you need efficient exhaust, robust construction, and protection for stable operation. It combines practical installation, good performance, and features that help with everyday use.