Water Flow Pattern - Godiva Ltd. - #2

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I CAL WATER FLOW PATTERN
HALE'S TWO STAGE IENTRIFUGAL FIRE PUMP
VOLUME OPERATION
(PUMP IN PARALLEL)
DISCHARGE MANIFOLD
TRANSFER VALVE
CHECK VALVE
(OPEN) SUCTION
CHECK VALVE SUCTION <OPEN)
IMPELLERS
PRESSURE OPERATION
(PUMP IN SERIES)
TRANSFER VALVE DISCHARGE MANIFOLD
CHECK VALVE SECOND STAGE (CLOSED) SUCTION IMPELLER
CHECK VALVE SUCTION (CLOSED) FIRST STAGE
IMPELLER
.SURE OPERATION
VOLUME OPERATION
Water flow is split at point A to direct approximately 'A total (low to each impeller Check valvos are open. Centrifugal force of impellers increases pressure which is directed to discharge manifold. This position permits maximum flow of pump.
HALE
PRI
Water flow is directed to suction side (eye) of first stage impeller B. Flow from first stage impeller (at increased pressure) is directed thru transfer valve C to suction side (eye) of second stage impeller D. Flow Irom second stage impeller is directed to discharge manifold. This position permits maximum pressure of pump.
tl>t* CORPORA TiON
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