User guide

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Filters
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FN74C reverse rinsing filters ensure a continuous supply of filtered water. The fine filter prevents the
ingress of foreign bodies, for example rust particles, strands of hemp and grains of sand. FN74C fine
filters are especially suited for retro-fitting to or modernisation of existing water supply systems to
buildings where an existing filter is to be replaced. On new installations the DA74C rotatable connector
piece should be used (to be ordered separately).
Filter mesh size 100 micron
Filter mesh size 50 micron
Reverse rinsing fine filter for connection flange, FN74C
Approvals DIN/DVGW in conjunction with rotatable connector piece DA74C
Media Water
Body material synthetic material
DN size 25 mm
Max. media temperature 30
o
C
Static pressure PN16
Flow capacity Kvs 8,8
Transparant strainer
chamber
yes
Reverse rinsing with
filtered water
yes
Mounting position horizontal or vertical
Additional description • Patented reverse rinsing system - fast and thorough cleaning
of the filter with small amount of water
• Memory ring indicates time when next reverse rinsing is due
• Bayonet connection enables simple retro-fitting of reverse
rinsing actuator
• Large filter surface
• Shock resistant clear synthetic material filter bowl enables
easy inspection of filter contamination
Integral filter Type
micron
100 FN74C-1A
Integral filter Type
micron
50 FN74C-1C