1.
INSTALLATION
IOM manual CTV vertical centrifugal pumps
9
1.9.
Example of installation
Flooded installation
Installation with suction extension
➢
All installations:
1)
Valve for flow control
2)
Non-return valve (check valve) on discharge as close to the pump as possible
3)
Connection point for pressure gauge or pressure switch
4)
Divert discharge with 45° bend to enable more space when lifting the pump
5)
Quick connection between pump and piping system for easy disconnection
6)
Arrange for drainage of liquid form the base plate.
➢
Flooded installation
7) Foot strainer 3-5 mm mesh if solids are present or in open tank / sump installation
➢
Installations with suction extension
8) Vertical suction extension is allowed. Size of pipe shall correspond with pump
connection size. Do not use complex piping on suction side. In particular
applications, use of bottom valve (ball type) may be used. In case of any questions
please consult us.
➢
Important levels and dimensions
PP & PVDF
Stainless steel
Comment
H
min
(mm /
inch
)
50 /
2.0
80 /
3.1
Distance between base and liquid level
MIN start (mm /
inch
)
170 /
6.7
170 /
6.7
Minimum level during start-up
MIN (mm /
inch
)
80 /
3.1
80 /
3.1
Minimum level during operation
S
min
(mm /
inch
)
50 /
2.0
50 /
2.0
Min distance to bottom of tank / sump
E
max
@ 25°C (mm /
inch
)
1000 /
39
1000 /
39
Max length of suction extension
E
max
@ 40°C (mm /
inch
)
500 /
19
500 /
19
Max length of suction extension
E
max
@ 60°C (mm /
inch
)
-
-
Impeller must always be submerged
Summary of Contents for CTV Series
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