Samson 3286, Монтаж и эксплуатация

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EB 8257 EN 35
Servicing
Risk of valve damage due to the use of un -
suitable lubricants.
Only use lubricants approved by SAMSON
(
u
AB 0100).
The control valve was checked by SAMSON
before it left the factory.
−
Certain test results (seat leakage and leak
test) certified by SAMSON lose their validi
-
ty when the valve body or actuator hous -
ing is opened.
−
The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After‑sales
Service department.
−
Only use original spare parts by
SAMSON, which comply with the original
specifications.
7.1 Preparing the valve for
servicing
1. Put the control valve out of operation (see
section 9.1).
2. Undo the flange joint between the cool -
ing water valve and steam conditioning
valve.
3. Remove the steam conditioning valve
from the pipeline (see section 9.2).
7.2 Replacing gaskets
Risk of control valve damage due to incorrect
service or repair.
The gaskets can only be replaced when all
the following conditions are met:
−
The valve size is ≤ NPS 6.
−
The valve does not have a balanced plug.
−
The valve does not have a bellows seal.
−
The valve does not have an insulating sec -
tion.
To replace the gaskets in other valve ver -
sions, contact SAMSON's After‑sales Service
department.
The following gaskets are installed and must
be exchanged:
− Body gasket (17)
−
Shims 0.5 mm (64)
− Shims 2 mm (65)
−
Graphite fiber packing (67)
Measure how many shims (64, 65) are re -
quired (see section 7.5).
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Undo the body nuts (14) gradually in a
crisscross pattern.
3. Lift the bonnet (2), yoke (3), and plug
with plug stem (5) off the body (1).
4. Remove the gaskets (17, 64, 65) and
graphite fiber packing (67). Carefully
NOTICE !
Note
NOTICE !
Note