Camfil FB Series Manuel d'installation, d'utilisation et d'entretien - Page 14
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Proper maintenance of the filtration housing is vital for proper operation. To maintain the desired level of
filtration, it is necessary to perform filter(s)/adsorber(s) change-out when they are no longer functioning
properly. To determine when media change-out is required, the following guidelines must be considered:
1. Components
For Particulate Filters (prefilters, HEPA filters):
The pressure drop across the filter exceeds the recommended change-out pressure drop or system
design pressure.
The HEPA filter in-place leak test shows an unacceptable penetration of challenge aerosol.
For Carbon Adsorbers (HEGA):
The in-place leak test shows an unacceptable penetration of challenge agent.
2. Filtration System
The filtration system is the containment structure built by Camfil. This structure may be a single housing, or
a complete filter train (consisting of multiple, adjoining housings), depending on the scope of the contract.
The filtration system is no longer functioning properly when any of the following occurs:
A periodic site inspection, routine maintenance checks, or other planned surveillance testing reveals
torn gaskets, broken welds, stripped threads on door bolts, or any other indication that the system's
ability to contain the process airstream has been compromised.
To assure that the filtration system is maintained at peak performance, the owner must commit to periodic
component maintenance, inspections/repairs, and test performed by qualified In-Place Testing personnel.
These safe guards will insure containment has not been compromised, as well as a prompt and sufficient
program outlining needed repairs.
Some components of the filtration system can be replaced, if damaged in service (see following pages for
instructions). Access door gaskets can be removed and new gaskets installed and the locking mechanism front
seal gasket can be replaced. Please call Camfil at 252-975-1141, with any comments or question regarding
any equipment or procedures in this manual. Camfil will answer any questions regarding the systems and
components we design and build.
Maintenance
Important Note
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