Mounting And Start-Up; Mounting Positions - Samson 44-2 Mounting And Operating Instructions

Mounting and start-up

5 Mounting and start-up
NOTICE NOTICE
! !
Risk of overheating due to excessive ambi-
ent temperatures or insufficient heat dissi-
pation when components are insulated.
− Do not include the regulator in the insula-
tion of the pipeline.
NOTICE
!
Risk of impaired functioning of the
regulator and leakage at the joint due to
installation under tension.
− Bolt the regulator to the pipeline free of
stress.
− If necessary, support the pipelines near the
connections.
− Do not attach supports directly to the regu-
lator.
Fig. 6:
Schematic drawing showing pressure protection of a house substation by a SEV and a SSV
20

5.1 Mounting positions

Install Type 44-2, Type 44-3 and Type 44-9
with the actuator housing suspended down-
ward in horizontal pipelines.
Installation conditions
Î Make sure that the regulator remains
freely accessible after the plant has been
completed.
Î Install a strainer upstream of the regula-
tor (see Chapter 5.2).
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 The valves are connected to the pipeline
using threaded ends, welding ends or
flanged body.
Î See schematic drawings of typical instal-
lations (Fig. 5 and Fig. 6).
Type 44-9
SSV
+
Type 44-4 +
SEV
EB 2623-1 EN