Samson 45-9, Монтаж и эксплуатация

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EB 3128 EN 21
Mounting and start-up
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.
Do not attach supports to the regulator.
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.
NOTICE !
NOTICE !
3 4
1
2
1
p
∆ p
min
7 6 5 8
2
p
M
_
+
Flow pipe
Return flow
pipe
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
Fig. 6: Installation example · Type 45-9 in the return flow pipe