F74C REVERSE RINSING FILTER; MV876 AUTOMATIC-BACKWASH CONTROLS
a. F74C DURING NORMAL FLOW
ENLARGED
CROSS SECTION
Fig. 15. Water flow through the F74C.
b. F74C DURING BACKWASH CYCLE
SCREEN
BACKWASH
IMPELLER
ENLARGED
CROSS SECTION
DEBRIS AND
SEDIMENT
9
M17710
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