10
Kamstrup A/S • 5512603_C1_GB_03.2016
MULTICAL® 801
A
Recommended flow sensor
position.
B
Recommended flow sensor
position.
C
Unacceptable position due to
risk of air build-up.
D
Acceptable in closed systems.
Unacceptable position in open
systems due to risk of air build-
up in the system.
E
A flow sensor ought not to be
placed immediately after a valve,
with the exception of block
valves (ball valve type) which
must be fully open when not
used for blocking.
F
A flow sensor should not be
placed at the suction side of a
pump.
G
A flow sensor ought not to be
placed after a double bend in
two levels.
E
F
G
A
B
C
D
In order to prevent cavitation the back pressure (the pressure at the flow
sensor outlet) at ULTRAFLOW® must be min. 1.5 bar at q
p
and min. 2.5 bar at
q
s
. This applies to temperatures up to approx. 80 °C. ULTRAFLOW® must not
be exposed to lower pressure than the ambient pressure (vacuum).