Samson 43-6, Монтаж и эксплуатация, Страница: 53 / 68

EB 2172 EN 11-1
Removal
11 Removal
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
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 residual
process medium in the regulator.
While working on the regulator, residual
process medium can escape and, depending
on its properties, may lead to personal in-
jury, e.g. (chemical) burns.
Î
Wear protective clothing, safety gloves
and eye protection.
Before removing the valve, make sure the
following conditions are met:
− The regulator is put out of operation (see
the 'Decommissioning' section).
WARNING !
WARNING ! WARNING !
11.1 Removing the control ther-
mostat
1. Pull the sensor out of the thermowell. In
cases where a thermowell is not used,
unscrew the screw gland and pull out the
sensor.
2. Unscrew the control thermostat from the
valve (width across flats 36).
11.2 Removing the valve from
the pipeline
1. Support the regulator to hold it in place
when separated from the pipeline (see
the 'Shipment and on-site transport'
section).
2. Unbolt the pipe/flange joint.
3. Remove the regulator from the pipeline
(see the 'Shipment and on-site transport'
section).