Checking The Installation Conditions; Mounting Position - Samson 45-9 Mounting And Operating Instructions

5.2 Checking the installation
conditions
5.2.1

Mounting position

Î Install the regulator in a horizontal pipe-
line with the actuator (6) facing down-
ward (see Fig. 3 and Fig. 4).
The regulator in valve sizes DN 15 to 25 can
also be installed in vertical pipes.
Î Install a strainer upstream of the regula-
tor (see section 5.3).
Î Make sure the direction of flow matches
the direction indicated by the arrow on
the body.
Î Install the regulator free of stress.
Î Make sure that the regulator remains
freely accessible after the plant has been
completed.
1
Flow pipe
p
1
∆p
min
p
2
Return flow
pipe
8
Fig. 6: Installation example · Type 45-9 in the return flow pipe
EB 3128 EN
2 3
_
+
7 6
NOTICE
!
Do not attach supports to the regulator.
NOTICE
!
Possible malfunction and damage due to ad-
verse weather conditions (temperature, hu-
midity).
− Do not install the device outdoors or in
rooms prone to frost.
− Protect the regulator against frost if it is
used to control freezing media.
− Either heat the regulator or remove it from
the plant and completely drain the residual
medium.
− In district heating plants, only install the
regulators in return flow pipes.
4
M
5
Mounting and start-up
1 Shut-off valve
2 Strainer
3 Pressure gauge
4 Motorized valve
5 Shut-off valve
6 Type 45-9
7 Pressure gauge
8 Shut-off valve
21