Mounting And Start-Up; Mounting Position - Samson 46-5 Mounting And Operating Instructions

Mounting and start-up

5 Mounting and start-up

5.1 Mounting position

Standard mounting position
Î Install the regulator in a horizontal pipe-
line with the actuator (6) facing down-
ward (see Fig. 2).
The regulator in nominal sizes DN 15 to 25
can also be installed in vertical pipes.
Installation conditions
− Make sure that the regulator remains
freely accessible after the plant has been
completed.
− Install a strainer (e.g. SAMSON
Type 1 NI) upstream of the regulator (see
section 5.2).
Flow pipe
p
1
∆p
min
p
2
Return flow pipe
= = = Control line to be attached on installing the regulator in the pipeline
Fig. 4: Sample application
20
2
1
_
+
3 4
1
− The direction of flow must match the di-
rection indicated by the arrow on the
body.
− Connect external control lines at the side
of the main pipe (see Fig. 6)
− Install the regulator free of stress.
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.
3 5
M
1
1 Shut-off valve
2 Strainer
3 Pressure gauge
4 Type 46-5/Type 46-6
5 Motorized valve
EB 3130 EN