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Freudenberg Filtration Technologies (Pty) Ltd

PRESSURISATION AND VENTILATION

VARIVENT

Freudenberg Filtration Technologies is the market leader for pressurisation units in South Africa. Our fan-filter units in the Varivent range offer the air quality you need for your application: whether it is standard products or custom-made according to your individual demands. Freudenberg Filtration Technologies does not only offers the right equipment and filters to keep your air clean. Our service specialists also make sure, that your pressurisation units are always well maintained and the filters are in good condition.

Application:

Exhaust and recirculated air filtration in ventilation systems, e.g.

  • In intake air filtration for gas turbines and compressors
  • In industrial processes (chemicals, pharmaceuticals, foods and beverages, optics, electronics, surface treatment, etc.)
  • In sophisticated air-conditioning applications (laboratories, libraries, museums, airports, office buildings, etc.)
  • As policing filters in dust removal applications

 

Model FK: Modular compact unit for small volumes

The Varivent units in the FK range are designed for small air volumes of up to 0.15 m3/s. Due to their compact design, they are suitable for applications where space is restricted and are ideally suited for ground floor applications. Varivent FK are externally wall- mounted and come with a modular fan and filter unit with air inlet screen and outlet louver. They are equipped with a centrifugal fan. The filter type can be selected according to atmospheric conditions and operational requirements. Standard material of construction is 3CR12 with Mild steel and 316L stainless Steel being optional.

 

Model F: Robust pressurizing unit for reliable performance

The F-range Varivents provide air volume flows between 0.5 and 2.0 m3/s. It is fitted with an axial fan, that can be driven by motors of different voltages according to the customer’s requirements. They are designed for external wall mounting and ideally suited for ground floor application. F-Varivents are equipped with air inlet and outlet screen. The filter type can be selected according to atmospheric conditions and operational requirements. Standard material of construction is 3CR12 with Mild steel and 316L stainless Steel being optional

 

Model G

The Varivent G-model is the biggest standard model with an air volume flow of up to 5.0 m3/s. It is equipped with an externally mounted robust fan and filter unit with inlet louver doors. It can be wall or foot mounted. The axial flow fan can be driven by motors of different voltages. The G-Varivent is available in mild steel with 3CR12 and 316L stainless steel being optional. The filter type can be selected according to atmospheric conditions and operational requirements.

 

PAT Varivent: For heavy duty applications

The PAT-Varivent range offers air volume flows between 0.15 and 1.5 m3/s. It is equipped with reverse-pulse self-cleaning cartridges that can handle high dust loads where concentrations are in the region of  >5 mg/m3. The unit is wall mounted and ideally suited for ground floor applications. PAT Varivents are ready-to-use. They only require pressurized air for the reverse-pulse and a suitable electrical connection.

 

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