EB 2551-2 EN
7-1
Operation
7 Operation
Immediately after completing start-up or
placing the regulator back into service (see
the 'Start-up' section), the regulator is ready
for use.
Risk of burn injuries due to hot or cold
components and pipeline.
Regulator components and the pipeline may
become very hot or cold. Risk of burn inju-
ries.
Î
Allow components and pipelines to cool
down or warm up to the ambient tem-
perature.
Î
Wear protective clothing and safety
gloves.
Risk of personal injury due to pressurized
components and process medium being
discharged.
Î
Do not unscrew the control line while the
valve is pressurized.
Risk of hearing loss or deafness due to loud
noise.
Noise emission (e.g. cavitation or flashing)
may occur during operation caused by the
process medium and the operating condi-
tions.
Î
Wear hearing protection when working
near the valve.
WARNING
!
WARNING
!
WARNING
!
7.1 Adjusting the set point
Î
The required upstream pressure is set by
turning the set point adjuster (9) on the
pilot valve (8) using an open-end wrench
(width across flats SW 17)
Î
Turn the set point adjuster clockwise (
)
to increase the pressure set point.
Î
Turn the set point adjuster counterclock-
wise (
) to reduce the pressure set point.
A pressure gauge located on the upstream
pressure side allows the adjusted set point to
be monitored.
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