20
EB 2723 EN
Mounting and start-up
5 Mounting and start-up
Risk of overheating due to excessive ambient
temperatures or insufficient heat dissipation
when components are insulated.
−
Do not include the regulator in the insula-
tion of the pipeline.
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 to
the connections.
−
Do not attach supports directly to the regu-
lator.
NOTICE
!
NOTICE
!
NOTICE
!
5.1 Mounting positions
Install
Type 44-4, Type 44-7 and Type 44-8
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 (Type 44-7 only). See section 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.
1
2
3
4
5
1
p
1
p
2
1
Shut-off valve
2
Upstream pressure gauge
3
Strainer (Type 44-7 only)
4
Excess pressure valve
5
Downstream pressure gauge
Type 44-7 Excess Pressure Valve
Fig. 5:
Pressure control with Type 44-7 (installation example)
Summary of Contents for 44-4
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