DuraPak B

ASC filter with blended media for gas turbines

The DuraPak B is AAF’s entry-level product in the DuraPak product range. Suitable for dry, medium dust load environments, with a durable media designed for pulse cleaning and specifically designed for gas turbine intakes. The DuraPak B is a direct replacement for existing ASC filter houses without modification to the holding arrangement.

The DuraPak B has an M6 (MERV 12) efficiency, although this is classified as F8 against the EN779:2002 standard. This is a tried and tested product and has been in the DuraPak portfolio for many years. Like all cellulose/synthetic blends, an application assessment should be made when used in humid or very high dust applications.


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Group 25

Suitable up to moderate dust levels

Group 8-1

Durable media

group 40

Very low pressure drop


Features & Benefits

  • Optimised pleat geometry reduces pressure drop, reducing strain on the filter and allowing for increased filter life.
  • Meets or exceeds original equipment manufacturers’ standards.
  • A cost-effective panel pak filter option with long filter life offering a good level of gas turbine protection.
  • For more challenging applications AAF has two additional media upgrades to consider: DuraPak BN for high dust environments, and DuraPak SN for high dust environments combined with prolonged humidity.
Case Study

AAF’s ASC System transforms GT performance in the UAE

The site in question operates several gas turbines in Dubai, UAE at an Aluminium Smelter. All originally fitted with reverse pulse cartridge systems, the operator could not achieve a filter life beyond 9 months. There was also evidence of compressor fouling and hence reduced engine performance. An ASC Filtration System was installed to compare performance levels against an existing Cartridge Syste

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