EB 3018 EN 9-3
Servicing
The regulator was checked by SAMSON
before it left the factory.
− Certain test results certied by SAMSON
lose their validity when the regulator is
opened. Such testing includes seat leakage
and leak tests.
− The product warranty becomes void if ser-
vice or repair work not described in these
instructions is performed without prior
agreement by SAMSON's After-sales Ser-
vice.
− Only use original spare parts by SAM-
SON, which comply with the original spec-
ications.
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
Note
Tip
Legend for Fig.9-1 and Fig.9-2
3 Plug
4 Seat
5 Balancing bellows
5.1 Balancing diaphragm
6 Diaphragm stem
7 Plug stem
8 Vent plug (DN125 and larger)
11 Coupling nut
12 Operating diaphragm
14 Differential pressure springs
15 Bolts, nuts
16 Diaphragm plate
17 Nut
18 High-pressure control line
19 Control line connection
20 Valve body
21 Blanking plug
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