Instruction manual CTV vertical pumps
8
1.5
Installation example
Flooded installation
Installation with suction extension
All installations
1) Valve for flow control (diaphragm valve or similar)
2) Non-return valve (check valve) on discharge side as near the pump as possible
3) Connection point for pressure gauge or pressure switch
4) Divert discharge with 45° bend to enable better space when lifting the pump
5) Quick connection between pump and pipe system for easy disconnection
6) Arrange for drainage of liquide from the base plate
Flooded installations
7) Foot strainer 3-5 mm mesh if solids are present or in open tank/sump installations
Installations with suction extension
8) Vertical suction extension allowed. Size of pipe shall correspond with connection size. No
complex piping system on suction side. In particular applications, use of bottom valve (ball
type) may be used, consult us.
Important levels and dimensions
1. INSTALLATION
!
!
1
2
3
4
5
6
7
8
PP & PVDF pumps stainless steel pumps
Comment
H min (mm /
inch)
50 /
2.0
80 /
3.1
Minimum distance at max level
MIN start (mm /
inch)
170 /
6.7
170 /
6.7
Min level during startup
MIN (mm /
inch)
80 /
3.1
80 /
3.1
Min 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 suction extension
E max @ 40°C (mm /
inch)
500 /
19
500 /
19
E max @ 60°C (mm /
inch)
-
-
Impeller must always be submerged
H min
S min
S min
E max
MIN start
MIN start
MIN
MIN
H min