Comet HPP ELH Serie Anweisungen Seite 17

For the hydraulic suction, delivery and bypass connections, refer to Fig. 2, 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
NEGATIVE HEAD
tank
tank wall
HYDRAULIC CONNECTION
"T" CONNECTIONS
OVERTURNED "U" CURVES
safety valve
lter
BYPASS RECIRCULATION DURING SUCTION
NO
tank
safety valve
lter
bypass line
YES
accumulator
pressure gauge
pump head
accumulator
pressure gauge
pump head
valve
OUT
BY-PASS
valve
OUT
BY-PASS
Fig. 2
EN
17