Alstom FKG1X - Page 271

Equi
pme
nt end o
f
life
Instructions on the handling of used SF
6
gas
and
decomp
osition
produc
ts
G81
-
-0
01EN03
2/4
02--2011
© ALSTOM 2010. All rights reserved. Informat
ion contained in
this document is indicative only. No
representati
on or
warrant
y is
given or should
be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liabili
ty and
is subject to
change without notice. Reproduction, use or disclosure to
third parties, without express writt
en authority, is
strictly prohibited.
 GRID
Evacuation of SF
6
gas apparatus
Princip
le
and
precautions
The table below gives the principle of evacuation of SF
6
gas apparatus and
precau
tions to ta
ke
:
S
t
e
p
A
c
t
i
o
n
1
De-
-ener
giz
e a
ppa
ratu
s, s
witc
h-
-off w
her
e a
ppl
icab
le
and
ear
th.
2
Co
nn
ec
t the s
er
vic
in
g un
it to th
e ga
s fil
li
ng
nip
ple
by
mea
ns o
f a
hose and using an adsorber filter.
3
R
e
m
o
v
e
t
h
e
S
F
6
gas using the vacuum pump. Depending on the
gas volume ;
it can
be stored for
re-
-use as
per indication
s of
IEC
standard.
4
Fi
ll
ga
s
co
mp
ar
tm
en
t
if
po
ss
ib
le
wi
th
ni
tr
og
en
or
dr
y
co
mp
re
ss
ed
ai
r
at
rate
d
pre
ssur
e
and
sub
seq
uen
tly
,
dis
cha
rge
outd
oor
s
(if
pos
sib
le
through an adsorber filter).