AFS AFS-ILH Gebrauchsanweisung Handbuch - Seite 7

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(Optional) Secondary Backup Filtration

For added safety against a rupture condition a secondary filter may be used. Secondary filters will slow the flow/recovery

rate, however they provide a secondary layer of protection in case the initial filter paper layer of the AFS filter should fail.

AFS filters have been tested to 120psi head pressure without failure; however other varying conditions could contribute to

membrane failure. Inexperienced with AFS/CRC it is recommended to use secondary filtration layer.

OEM or inline housings can accomplish a secondary filter backup by placing a secondary 2.37" (69mm) quantitative filter

paper into the OEM housing. Then place Dash# 035 O-ring (9452K123) into the OEM housing on top of the filter paper.

Make sure the o-ring is seated fully into the base or it will roll to the side when the AFS filter is inserted. Next slide the AFS

filter into the OEM housing. As you tighten the tri-clamp seal into your extraction unit it will force the AFS filter to seat

securely into the housing sealing against the o-ring.

Opt 2.

Inline housings have a secondary tri-clamp on the bottom of the housing where a secondary sintered stainless filter may be

used as a backup filter in case the primary filter paper were to rupture. Using a secondary process will slow the

flow/recovery process, however add extra security in case of rupture.

*Notice*

There are many factors that can affect the tensile strength of the filter paper in the base of the housings, and mistreatment of the filters can

result in rupture of the filter membrane causing media to become infused into the extracted products. These include incorrectly packing before

use causing channeling, physical damage to filter membrane, excessive head pressure, and aqueous (water) reagents [too much water moisture

will weaken the membrane; use dried or heavily frozen materials to ensure no water contamination]. Due to so many varying factors, and lawful

limitation on purchasing of extract, AFS will not be responsible for product loss due to media contamination. It is the extractor's responsibility to

ensure adequate due diligence and product knowledge when using AFS filters. If you are uncertain use a secondary/backup filter.