PRF Centrifugal Fans

Dependable power for handling aggressive media

Flexible Use
Handles Aggressive Media
Temperature of transported air from -15°C - +70°C
PRF EC 0°C - +60°C

Flexibility

Where dirt, corrosive gases or other problematic elements occur, fans are exposed to special challenges. Our PRF range was specifically developed for such applications in the food, electronics, medical facilities and chemical industries. With the help of robust and carefully selected components, they operate reliably in unfavorable conditions

Modularity

The rotating position of the unit’s casing, which is made from UV-resistant and waterproof PE, can be easily adapted. This makes the PRF suitable for various configurations.

Change of position Left-Right – please inform supplier when ordering.

Accessories

PRF fans can be selected together with various types of accessories such as connections, dampers, etc.

Accessories included in EC version in standard:

Repair switch IP66
Splinter protection
Condensate drain

Features

Construction

Sintered casing manufactured from UV-resistant PE, waterproof. The casing can be turned (standard position for PRF 125-250: GL270; PRF 355-500; PRF EC: GR360).

The powder painted pedestal is manufactured of galvanized steel.

The motor is outside the air stream (standard).

Impeller

The PRF fans use single-flow impellers made of PP with effective blade geometry, dynamically balanced and paired with corresponding external rotor motors, IEC motor with efficiency IE3 or EC Motor.

Motor

PRF fans are equipped with AC or EC motors. Depending on the type, the motors are suitable for 50Hz and 60Hz.

Motor protection

Depending on the type, AC motors have an integrated thermal protection with manual (electrical) reset, prewired integral thermocontact TK or thermistor PTC with leads to a motor protection device.

Fans with EC motors have an integrated electronic thermal protection including locked-rotor protection and soft-start.

Control

AC motors can be controlled by frequency converter.

EC motors can be controlled with potentiometer (as an accessory) to adjust working point. Can be also controlled by external signal 0-10V.

Installation

PRF fans can be used indoor or with specific accessories also outdoor. With mounted pedestal can stand on floor. For preventing vibration to the duct is recommended to use flexible connection.