PRF-EX Centrifugal Fans

Speed controllable and explosion-proof

  • Components certified to IECEx

  • Increased safety

  • Handles aggressive media

Safety first

PRF-EX fans are designed for challenging environments where explosive atmospheres can occur. Components are certified to IECEx standards to ensure they’ll perform as intended after installation.

Flexibility

Where dirt, corrosive gases or other problematic elements occur in the air, regular fans would simply stop working. Our PRF-EX range was specially developed for use in the food, electronics, medical, pharmaceutical, and chemical industries. With the help of robust and carefully selected components, PRF-EX fans function reliably in extreme conditions.


Modularity

The position of the unit’s UV-resistant and waterproof polypropylene antistatic casing can be easily adapted making the PRF suitable for multiple configurations.

Performance

PRF-EX can be used for temperature classes T1 to T4 and can handle the exhaust of potentially explosive gases in Zone 1 and Zone 2, as well as Groups IIA, IIB, and hydrogen.

Construction

Sintered casing made of UV-resistant and waterproof polypropylene. The casing can be easily adjusted by turning it, and the standard position is LG270. The pedestal is manufactured from stainless steel, is abrasion-resistant and lacquered.

Impeller

The PRF-EX fans use single-flow impellers made out of polypropylene with effective blade geometry, dynamically balanced and paired with the corresponding IEC Ex db motor.

Motor

Explosion proof motor Ex db with terminal box Ex eb on the motor.

Motor protection

Integrated PTC thermistors, to be connected to a motor protection device.

Control

Speed controllable by frequency converter.

Installation

PRF-EX fans can stand on the floor with a mounting pedestal.  For preventing vibration to the duct we recommend using flexible connection accessories.