32
10.11 Life
The expected
is approximate
FMEDA repor
of the Flowser
sometime afte
on the data lis
10 years may
calculated Saf
10.12 Pro
The objective
mode of opera
3200MD Valve
actuators that
diagnostics. O
prevent the sa
intended funct
The frequency
is to be determ
safety instrum
3200MD Valve
must be perfo
calculation in
the safety inst
The following
proof test is pe
to be docume
a plant safety
are detected s
To perform the
as a 375 Hand
Logix 3200MD
Steps for P
Step Action
1. Bypass the
to avoid a
2. Set the an
3. Ensure tha
(defined by
within the
could prev
electronic
4. Inspect the
damage o
has sufficie
5. Remove th
restore no
etime limits
lifetime of the
ely 10 years. T
rt is only valid fo
rve 3200MD Va
er this period. R
sted in the FME
yield results th
fety Integrity Le
of Testing
of proof testing
ation is to detec
e Positioner an
may not be de
Of main concer
afety instrumen
tion.
y of the proof te
mined in the re
mented function
e Positioner is
rmed at least a
order to mainta
trumented func
tests need to b
erformed. The
nted and this d
management s
should be repo
e proof testing,
dheld or softwa
D are required.
Proof Test
e safety PLC o
false trip.
alog input com
at the attached
y application) a
allowed time.
vent the closure
and mechanica
e 3200MD Valv
r contamination
ent spring bias
he bypass from
rmal operation
Flowserve 320
The reliability d
or this period.
alve Positioner
Reliability calcu
EDA report for l
hat are too opti
evel may not b
g when used in
ct failures withi
nd its associate
etected by the n
rn are undetect
nted function fro
ests (or the pro
liability calculat
s for which the
applied. The a
as frequently as
ain required sa
ction.
be specifically e
e results of the
documentation
system. Positi
rted to Flowser
, a HART comm
are such as
Va
or take other ap
mmand to less t
valve is fully in
and has moved
This tests for a
e of the valve, i
al faults, as we
ve Positioner fo
n and ensure th
s.
m the safety PL
.
Use
00MD Positione
data listed the
The failure rat
r may increase
ulations based
lifetimes beyon
mistic, i.e. the
e achieved.
n low demand
in Flowserve
ed sensors and
normal self
ted failures tha
om performing
oof test interval
tions for the
e Flowserve
actual proof tes
s specified in th
fety integrity of
executed when
proof test need
should be part
oner failures th
rve.
municator such
lveSight
DTM f
ppropriate actio
than 2.0 mA.
n the safe state
d to that positio
all failures that
including
ell as valve faul
or any visible
he follower arm
C or otherwise
er instructions –
er
es
nd
d
at
its
)
sts
he
f
n a
d
t of
hat
h
for
on
e
on
lts.
m
e
When t
coverag
10.13
Calibrat
10.14
In the u
Position
Replace
manual
10.15
Activitie
service
mainten
– Digital Positio
the tests listed
ge of 95% can
3 Maintena
tions should be
4 Repair an
unlikely event th
ner fails, the fa
e faulty compo
l or return the p
5 Training R
es specified in
technician trai
nance of proce
oner 3200MD
above are exe
be claimed.
nce
e checked ann
nd replacem
hat the Flowse
ailure should be
onents accordin
positioner to Fl
Requiremen
this manual sh
ined in the inst
ess instrumenta
LGENIM0059-
flowse
ecuted a proof t
ually.
ment
erve 3200MD V
e reported to Fl
ng to section 8
owserve for se
nts
hall be performe
allation and
ation.
-04 09/11
erve.com
test
Valve
lowserve.
of this
ervice.
ed by a
