2” Spin Klin
Modes of Operation
Filtration Mode Back-flush Mode
Filtration Process
During the filtration process, the water flows through the inlet into the filter through the inlet valves. The
filtered water flows through the outlet manifold of the filter.
Back-flush Process
Command based on pressure differential or time settings is sent from the controller to (two) separate
components in the filter:
1. The Inlet valve enters to back-flush mode (entrance closed, drain opens).
2. The Outlet valve enters to back-flush mode (downstream closed, filter bypass opens).
Water flows via the bypass filter screen, through the bypass into the outlet valve. It enters the main filter (which
is open), where jets of water flush the grooves in the discs as the discs spin. The water carries away impurities
toward the inlet valve. At the end of the back-flushing process (20 seconds) the back-flush command is
withdrawn, the discs are compressed and the SPIN KLIN returns to the filtration mode. The inlet and outlet
valves return to the filtration mode. Water flows once again into the filter, carrying with it the impurities that are
collected on the bypass filter screen during back flush.
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