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Features
Self Supporting Feet
Each SPELFilter cartridge stands on 4 feet, which
negates the need for the construction of a false floor in
the vault. The feet are bolted to the vault floor with the
supplied stainless steel angles and M10 bolts. The feet
allow a clear height from the vault floor up to the inlet
ports of 240mm. The absence of a false floor allows
plenty of room for backwashed sediment to evacuate
from underneath the cartridges and thereby avoid
blocking the inlet ports to the SPELFilter from sediment
buildup. It is for this reason that SPEL recommended
the sediment buildup not exceed 150mm above the
vault floor, so as to avoid blocking the inlet ports of
the SPELFilter. Blockage of the inlet ports due to
sediment accumulation in the vault floor will cause the
SPELFilter to go into bypass and be ineffective. Hence
it is important to keep up to date with monitoring and
maintaining the SPELFilter vault.
Figure 4 - Bolting the feet
Figure 5 - Underside of the SPELFilter showing the screened inlet
ports and the connection for the outlet pipe in the middle
Figure 6 - the top of the SPELFilter showing the location of the one
way air valve