Samson 42-37, Монтаж и эксплуатация

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6-2 EB 3017 EN
Start-up
Before starting up the plant, make sure the
following conditions are met:
−
The control line is open (needle valve)
and correctly connected.
6.2 Starting up the plant
1. Open the shut-off valves slowly prefera -
bly starting from the upstream pressure
side. Afterwards, open all the valves on
the consumer side (downstream of the
regulator).
2. Fill the plant slowly with the process me-
dium. Avoid pressure surges.
3. Make sure that the pressure rises simulta-
neously upstream and downstream of the
regulator to avoid damaging the balanc-
ing bellows.
On filling the plant, make sure the restriction
(1.1) is open by turning the set point adjust
-
er for the flow rate (1.4) counterclockwise
(

) as far as it will go.
6.2.1 Regulation of liquids
Î
Put the flow regulator into operation by
slowly opening the shut-off valves prefer-
ably starting from the return flow pipe.
Î
Vent the bellows housing of valves bal-
anced by a bellows (DN 125 and larger)
at the venting (8) located at the side.
Î
For liquid medium temperatures above
150 °C, first fill the compensation cham -
Note
ber with the process medium. Proceed as
follows:
1. Unscrew filler plug from the compensa -
tion chamber.
2. Use the included plastic funnel or a jug
to pour in the process medium until it
starts to overflow.
3. Screw the filler plug back in and tighten
it.
6.2.2 Regulation of steam
1. Unscrew filler plug from the compensa -
tion chamber.
2. Use the included plastic funnel or a jug
to pour in water until it starts to overflow.
3. Screw the filler plug back in and tighten
it.
−
All pipes conveying the process medium
must be completely drained and dry.
−
Air and condensate must be allowed to
escape from the plant.
−
Allow time for the pipes and valves to
heat up.