AstroHood II


The AstroHood II terminal filter modules are equipped with gel seal (AstroHood II PHG) respectively gasket seal (AstroHood II CM) replaceable HEPA/ULPA filters. The housings are made of corrosion resistant steel with a white powder coated epoxy finish and are fitted with a 4-way diffuser, swirl diffuser or perforated plate diffuser, finished in a matching white gloss.

For neat appearance, the module has a concealed grille fixing. To accommodate different installation situations with existing ducts on site, both housing types are available with a circular top inlet in DN 150 mm size. AstroHood II PHG is in addition available with a circular side and a rectangular side inlet. A differential pressure connection is included for room side testing.

The module is available in mild steel as standard. A stainless steel execution, AISI 304L or AISI 316L is available as an option.

The AstroHood II housings are designed to accommodate either gel seal HEPA/ULPA filters with depths of 80 mm (Type PHG), or gasket seal HEPA/ULPA filters with depths of 69 mm (Type CM). Depending on the application, filters with efficiencies of 99,995% (at MPPS), or optional ULPA filters with an efficiency of 99,9995% (at MPPS) or better can be used. For ease of installation and maintenance, the AstroHood II design enables filter installation and exchange from the room side. The housings have a single knife edge that forms an airtight seal as the knife edge interfaces with the gel (Type PHG), respectively the gasket (Type CM).

  • Healthcare
  • Food and Beverage
  • Pharmaceutical
  • Biotechnology
  • Animal Science
  • Microelectronics
  • Data Centers
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