For the hydraulic suction, delivery and bypass connections, refer to Fig. 5, which represents a generic diagram of a
possible pump installation.
CAUTION
• The main plant errors to be avoided are indicated in bold type.
90° CURVES
DIAMETER
REDUCTION
tank
tank wall
26
HYDRAULIC CONNECTION
OVERTURNED "U" CURVES
"T" CONNECTIONS
safety valve
BYPASS RECIRCULATION DURING SUCTION
NEGATIVE HEAD
tank
safety valve
lter
pressure gauge
pump head
lter
NO
pressure gauge
pump head
bypass line
YES
valve
accumulator
valve
accumulator
OUT
BY-PASS
OUT
BY-PASS
Fig. 5