Camfil FB Series Handbuch für Installation, Betrieb und Wartung - Seite 5
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Camfil's Bag-In/Bag-Out multi-wide housings are equipped with filter removal rods for prefilters and final
filters, to pull the second and/or third filters to the front access port of the housing. The removal rods are
operated from inside the change-out bag using the glove sleeves. Camfil recommends removing the first
filter by hand (without the use of the removal rod), to lighten the load that will have to be pulled by the
removal rod. If the housing contains adsorbers it may be necessary on a three (3) wide housing, to
remove the second adsorber by hand also, before using the removal rod to pull out the third adsorber.
Remove rod
for prefilter.
Camfil offers qualified In-Place Test Section housings to assist qualified testing technicians while performing In
-Place Testing of filters or adsorbers. These test sections have proven to perform as good or better than the
conventional method of in-place testing. Camfil has designed and qualified four (4) types of test sections
(upstream, combination, downstream and accurate scan) for any need. The upstream test section housing
design allows you to disperse a challenge agent uniformly across the filter/adsorber face so that the complete
filter/adsorber is challenged. It also samples the concentration entering the downstream filter/adsorber. The
combination test section provides the same function as the upstream test section, plus sampling the air stream
for leaks, which have by-passed the upstream filter/adsorber. Downstream test sections sample the air stream
for leaks, which have by-passed the upstream filter/adsorber. Camfil's "Accurate Scan" test housing is
designed to scan the downstream face of a HEPA filter for leaks. The "Accurate Scan" test housing
incorporates an access port protected by a heavy duty plastic bag, so all scan testing can be performed from
outside the contaminated air stream. A probe is provided with guide rods to scan straight lines across the
complete filter face and overlaps so that no part of the filter face will be missed when checking for leaks.
Users of "High Efficiency" filtration systems must commit to a testing program that will insure the installed
filtration system will perform as intended from initial start-up, throughout the life of the filtration system. In some
applications, guidelines for filter system testing may not be established by appropriate regulatory agencies or
engineering societies. Whenever an organization has no established guidelines, often the standards for in-
place testing of air filtration units for nuclear facilities is specified.
Filter Removal Rods
In-Place Test Section Housings
Washington, North Carolina 27889 (252) 975−1141
BAG−IN/BAG−OUT
FILTER HOUSING
CAMFIL FARR JOB NO.:
CAMFIL FARR MODEL NO .:
PREFIL TER MODEL NO.:
FINAL FILTER MO DEL NO.:
CHANGE−OUT BAG SIZE:
CAUTION:
ST OP AIRFLOW T HROUGH HOUSING BY
SHUTTING DOWN THE SYST EM OR CLO SING
DAMPERS BEFORE REMOVING DOOR. CONSULT
UPST REAM AND DOWNSTREAM ISOLATION
YOUR SAFETY O FFICER AND READ INSTRUCTION
MANUAL TO INSURE PROPER FILTER
INSTALLATION AND CHANGE−OUT.
Washing ton, North Carolina 27 889 (252) 975−1141
BAG−IN/BAG−OUT
FILTER HOUSING
CAMFIL FARR JOB NO.:
CAMFIL FARR MODEL NO.:
PREFILTER MODEL NO.:
FINAL FIL TER MODEL NO.:
CHANGE−OUT BAG SIZE:
CAUTION:
STOP AIRFL OW THROUGH HOUSING BY
SHUTTING DOW N THE SYSTEM OR CLOSING
DAMPERS BEFORE REMOVING DOOR. CONSULT
UPSTREAM AND DOWNSTREAM ISOLATION
YOUR SAFETY OFFICER AND READ INSTRUCTION
MANUAL TO INSURE PROPER FILTER
INSTALLATION AND CHANGE−OUT.
Washingto n, North Carolin a 27889 (252) 975−1141
BAG−IN/BAG−OUT
FILTER HOUSING
CAMFIL F ARR JOB NO.:
CAMFIL F ARR MODEL NO.:
PREFILTER MODEL NO.:
F INAL FILTER MODEL NO.:
CHANG E−OUT BAG SIZE:
CAUTION:
STOP AIRFLOW THROUGH HOUSING BY
SHUT TING DOWN THE SYSTEM OR CLOSING
DAMPERS BEFORE REMOVING DOOR. CONSULT
UPSTREAM AND DOWNST REAM ISOLATION
YOUR SAFETY OFFICER AND READ INSTRUCTION
MANUAL TO INSURE PROPER FILTER
INSTALLATION AND CHANG E−O UT.
5
Remove rod
for final