Filter
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Page 16 Water Management Systems and Products
5-3 BFS Series Bag Filters
Bags are easily removed from the top of the filter housing. Before
removing the bag filter be sure that pressure has been relieved and
that the filter housing has been isolated to prevent spill over.
! CAUTION
SEVERE INJURY WILL RESULT IF HOUSING COVER IS REMOVED UNDER
PRESSURE. RELIEVE PRESSURE AND ISOLATE HOUSING BEFORE
REMOVING COVER.
Loosen and unlatch the V-clamps or swing type bolts that fasten
down the top of the filter housing. The top is hinged on one end
and will swing open. Reach down and lift the bag handle and
remove the filter bag. Unfold and install the new bag. Close the
cover and tighten down the swing bolts.
5-4 SWF Series Full Flow Stainless Steel Filters
Periodically, solids that settle to the bottom of the filter housing
will need to be purged out. The drainage port valve, which is piped
to an open drain, will need to be opened to purge the debris from
the reservoir. Over time, one should be able to accurately
determine how often the valve should be opened. Do not allow the
debris to collect beyond the capacity of the reservoir.
An optional automatic purge valve is available to open based upon
an adjustable time cycle. Periodically inspect and ensure that the
purge line is clear to flow freely.
! CAUTION
SEVERE INJURY WILL RESULT IF HOUSING COVER IS REMOVED UNDER
PRESSURE. RELIEVE PRESSURE AND ISOLATE HOUSING BEFORE
REMOVING COVER.
The cover of the SWF full flow filter is removable if the strainer is
clogged with debris. A pressure drop of 10 psi, after purging debris
from the reservoir, would indicate that the strainer requires
cleaning. Do not remove the cover under pressure. Relieve the
pressure and isolate the filter from the system first. Lift the strainer
element out of the filter housing and scrub it carefully with a rigid
nylon brush and water until clean. Wash it off with clean water,