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Servicing
NOTICE
!
Risk of regulator damage due to the use of
unsuitable tools.
Î Only use tools approved by SAMSON
(see 'Tools' in Annex).
NOTICE
!
Risk of regulator damage due to the use of
unsuitable lubricants.
Î Only use lubricants approved by
SAMSON (see 'Lubricants' in Annex).
Note
The regulator was checked by SAMSON
before it left the factory.
− Certain test results certified by SAMSON
lose their validity when the regulator is
opened. Such testing includes seat leakage
and leak tests.
− 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.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
Tip
SAMSON's After-sales Service can support
you in drawing up an inspection and test
plan for your plant.
9-2
Legend for Fig. 9-1
1
Valve body
1.1 Body gasket
1.2 Seal
2
Plug
3
Seat
Borehole in body for downstream pressure
4
p
2
5
Operating bellows
6
Balancing bellows
7
Set point spring
8
Set point adjuster
Set point screw with stainless steel/
spheroidal graphite iron version
9
(DN 40/50) as well as 8 to 20 bar set
point range
10
Screws
11
Stopper
12
Spring housing
EB 2626-1 EN
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