A face velocity at 100 fpm ensures containment of fumes and an alarm will alert the operator when the airflow falls to an unacceptable level.
All mechanisms in the head section of the Purair 20 are on the clean side of the filter, preventing contamination, and switches and electrical components are totally isolated from the dirty airflow and away from any contamination.The work area has a removable spillage tray which can be easily cleaned, while optional integral lighting is available.
The Purair 20 is 49 inches wide by 27.5 inches deep by 47.5 inches high and other sizes are available up to 96 inches wide.
The main filter can be chosen from 14 different types of carbon, which include specialty media for vapours of organics, solvents, acids, mercury and formaldehyde. HEPA filters for particulate filtration are also available to suit the application needs. In addition, the Purair can be equipped with a secondary back-up filter for added protection. This filter is required by US standard ANSI Z9.5 section 4.12 4.2
