6. Start-up/Commissioning
7. Decommissioning and Removal
After
the meter has been properly installed,
it
is important to
use
extreme care during start-up to mitigate adverse
conditions
that
can
damage
the
meter.
a
)
E
n
s
u
r
e
that the
m
a
x
i
m
u
m
o
p
e
r
a
t
i
n
g
pressure o
f
the
m
e
t
e
r
will
not be
e
x
c
ee
d
e
d
.
b
)
A
l
w
a
y
s
f
o
ll
o
w your
c
o
m
p
a
n
y
’
s
procedures,
and
l
o
c
a
l
c
o
d
e
s
and
o
r
d
i
n
a
n
c
e
s
.
c
)
W
i
t
h
the meter
r
un
’
s
i
n
l
e
t
and
ou
t
l
e
t
v
a
l
v
e
s
c
l
o
s
e
d
,
open
t
h
e
bypass
v
a
l
v
e
and
p
r
e
ss
u
r
i
z
e
the
p
i
p
i
n
g
s
y
s
t
e
m
.
d
)
W
i
t
h
the meter
ou
t
l
e
t
v
a
l
v
e
c
l
o
s
e
d
,
s
l
o
w
l
y
open the
m
e
t
e
r
i
n
l
e
t
v
a
l
v
e
not to exceed 5
p
s
i
g
per second
un
t
il
p
r
e
ss
u
r
e
i
s
e
q
u
a
li
z
e
d
throughout the meter
p
i
p
i
n
g
system.
R
a
p
i
d p
r
e
ss
u
r
i
z
a
t
i
on
can cause an
o
v
e
r
-
s
p
ee
d
c
on
d
i
t
i
on
a
n
d
can
damage
the meter.
D
a
m
a
g
e
will
not be
c
o
v
e
r
e
d
under warranty. When
the meter
p
i
p
i
n
g
system
pressure
i
s s
t
a
b
ili
z
e
d
,
open
the
i
n
l
e
t
v
a
l
v
e
c
o
m
p
l
e
t
e
l
y
.
e
)
S
l
o
w
l
y
open the
m
e
t
e
r
’
s
ou
t
l
e
t
v
a
l
v
e
un
t
il
the meter starts
to operate at
l
o
w
speed.
Meter
speed
can be seen
through
t
h
e
v
i
e
w port
l
o
c
a
t
e
d
on the back
o
f
the meter
[
Fi
g
u
r
e
8
]
.
VIEW PORT
(DO NOT REMOVE)
Fi
g
u
r
e
8.
B
a
c
k
o
f
m
e
t
e
r
a
)
A
l
w
a
y
s
f
o
ll
o
w your
c
o
m
p
a
n
y
’
s
procedures,
and
l
o
c
a
l
c
o
d
e
s
and
o
r
d
i
n
a
n
c
e
s
.
b
) Slowly open bypass valve.
c
)
S
l
o
w
l
y
c
l
o
s
e
the
m
e
t
e
r
’
s
ou
t
l
e
t
v
a
l
v
e
,
then the
i
n
l
e
t
v
a
l
v
e
.
d
)
S
l
o
w
l
y
,
c
o
m
p
l
e
t
e
l
y
d
e
p
r
e
ss
u
r
i
z
e
the meter
p
i
p
i
n
g
.
!
W
ARNING
F
a
il
u
r
e
to
d
e
p
r
e
ss
u
r
i
z
e
the m
e
t
e
r
p
r
i
o
r
to
r
e
m
o
v
i
n
g
m
e
t
e
r
a
n
d
/
o
r
components
c
o
u
l
d
r
e
s
u
l
t
in
p
e
r
so
n
a
l
i
n
j
u
r
y
a
n
d
/
o
r
p
r
o
p
e
r
t
y
d
a
m
ag
e
.
e
)
D
r
a
i
n
o
il
f
r
o
m
the
i
n
d
e
x
end case cover and
d
i
s
p
o
s
e
o
f
the
o
il i
n
accordance
w
i
t
h
a
pp
li
c
a
b
l
e
r
e
g
u
l
a
t
i
on
s
.
f) If
r
e
m
o
v
i
n
g
the meter
f
r
o
m
the
p
i
p
i
n
g
system,
l
oo
s
e
n
f
l
a
n
g
e
b
o
l
t
s
.
E
n
s
u
r
e
meter
i
s
p
r
o
p
e
r
l
y
s
u
pp
o
r
t
e
d
b
e
f
o
r
e
r
e
m
o
v
i
n
g b
o
l
t
s
c
o
m
p
l
e
t
e
l
y
.
8.
I
n
s
p
e
c
t
i
on
and
M
a
i
n
t
e
n
a
n
c
e
It
i
s
recommended
to
i
n
s
p
e
c
t
E
l
s
t
e
r
RABO
meters
p
e
r
i
o
d
i
c
a
ll
y
to h
e
l
p
ensure accurate
p
e
r
f
o
r
m
a
n
c
e
over a
l
on
g
p
e
r
i
o
d
o
f
t
i
m
e
.
M
a
i
n
t
e
n
a
n
c
e
i
n
t
e
r
v
a
l
s
can be
d
e
r
i
v
e
d
f
r
o
m
i
n
s
p
e
c
t
i
on
c
r
i
t
e
r
i
a
.
R
ou
t
i
n
e
i
n
s
p
e
c
t
i
on
s
s
hou
l
d
i
n
c
l
u
d
e
:
a
)
C
h
e
c
k
i
n
g
to ensure the meter
i
s
l
e
v
e
l
i
n
a
ll
p
l
a
n
e
s
b
)
L
i
s
t
e
n
i
n
g
f
o
r
a
b
no
r
m
a
l
sounds
i
n
the
m
e
t
e
r
c
)
C
h
e
c
k
i
n
g
o
il
l
e
v
e
l
and
c
l
a
r
i
ty
—
o
il
s
hou
l
d
be red and
c
l
e
a
r
d
)
C
h
e
c
k
i
n
g
i
n
d
e
x
movement
if
gas
i
s
f
l
o
w
i
n
g
e) Checking for leaks
f) Testing the meter’s differential pressure
R
ou
t
i
n
e
m
a
i
n
t
e
n
a
n
c
e
s
hou
l
d
i
n
c
l
u
d
e
:
a) Changing the oil if the color becomes dark
b
)
A
dd
i
n
g
o
il
if
the
c
o
l
o
r
i
s
red and
c
l
e
a
r,
but
b
e
l
o
w
t
h
e
recommended
l
e
v
e
l
f)
Operate the meter at
l
o
w
f
l
o
w
f
o
r
1
to 2
m
i
nu
t
e
s
to
v
e
r
i
f
y
proper
o
p
e
r
a
t
i
on
.
If
the
i
n
d
e
x
does not start
r
e
g
i
s
t
r
a
t
i
on
,
o
r
if
you hear
k
no
c
k
i
n
g
or
s
c
r
a
p
i
n
g
sounds
c
o
m
i
n
g
f
r
o
m
t
h
e
meter, stop the
f
l
o
w and
f
o
ll
o
w
a
pp
r
o
p
r
i
a
t
e
d
e
c
o
mm
i
ss
i
on
i
n
g
procedures
b
e
f
o
r
e
r
e
m
o
v
i
n
g
the
meter
f
r
o
m
the
li
n
e
.
g
)
If
o
p
e
r
a
t
i
on
i
s
s
a
t
i
s
f
a
c
t
o
r
y
,
g
r
a
d
u
a
ll
y
open the
m
e
t
e
r
’
s
ou
t
l
e
t v
a
l
v
e
to the
f
u
ll
open
p
o
s
i
t
i
on
.
h
)
S
l
o
w
l
y
c
l
o
s
e
the bypass
v
a
l
v
e
.
i)
Check the meter
c
onn
e
c
t
i
on
s
f
o
r
l
e
a
k
s
u
s
i
n
g
c
o
mm
on
i
n
d
u
s
t
r
y
p
r
a
c
t
i
c
e
s
.
j)
C
l
o
c
k
the meter
(
s
ee
I
n
d
e
x
s
e
c
t
i
on
11
c
)
to
c
on
f
i
r
m
the
f
l
o
w
r
a
t
e
i
s
not
e
x
c
ee
d
i
n
g
the
m
a
x
i
m
u
m
c
a
p
a
c
i
ty
o
f
the
m
e
t
e
r.
k
)
P
e
r
f
o
r
m
and record the
m
e
t
e
r
’
s
d
i
ff
e
r
e
n
t
i
a
l
pressure
(
s
ee
T
e
s
t
i
n
g
s
e
c
t
i
on
9
b
)
.
9.
T
e
s
t
i
n
g
E
l
s
t
e
r
RABO
meters
s
hou
l
d
be tested
i
n
accordance
w
i
t
h
a
pp
li
c
a
b
l
e
g
o
v
e
r
n
i
n
g
s
t
a
n
d
a
r
d
s
.
T
h
e
accuracy
o
f
a meter
can
on
l
y
b
e
d
e
t
e
r
m
i
n
e
d
by
c
o
m
p
a
r
i
n
g
r
e
s
u
l
t
s
to a
t
r
a
c
e
a
b
l
e
r
e
f
e
r
e
n
c
e
,
ty
p
i
c
a
ll
y
a
s
on
i
c
no
zz
l
e
,
b
e
ll
,
p
i
s
t
on
or
t
r
a
n
s
f
e
r
prover. Accuracy may
b
e
done on
s
i
t
e
u
s
i
n
g
t
r
a
n
s
f
e
r
provers,
and
ty
p
i
c
a
ll
y
r
e
q
u
i
r
e
s
r
e
m
o
v
a
l
f
o
r
t
e
s
t
i
n
g
w
i
t
h
other
t
e
c
hno
l
o
g
i
e
s
.
D
i
ff
e
r
e
n
t
i
a
l
pressure
t
e
s
t
i
n
g
i
s
a method
o
f
d
e
t
e
r
m
i
n
i
n
g
w
h
e
t
h
e
r
the
p
e
r
f
o
r
m
a
n
c
e
o
f
a rotary meter may have
changed
over
t
i
m
e
,
and can be done on
s
i
t
e
w
h
il
e
the meter
i
s
o
p
e
r
a
t
i
n
g
un
d
e
r
pressure. Baseline data must be captured
during
initial
start-up to w
h
i
c
h
f
u
t
u
r
e
data can be
c
o
m
p
a
r
e
d
.
a
)
Pr
o
v
i
n
g
When
t
e
s
t
i
n
g
a meter on a prover, the meter
t
e
m
p
e
r
a
t
u
r
e
,
pressure
and
v
o
l
u
m
e
are necessary
i
n
p
u
t
s
f
o
r
the
p
r
o
v
i
n
g d
e
v
i
c
e
.
T
h
e
meter
t
e
m
p
e
r
a
t
u
r
e
i
s
o
b
t
a
i
n
e
d
by a
t
e
m
p
e
r
a
t
u
r
e
probe
i
n
s
t
a
ll
e
d
near the
i
n
l
e
t
o
f
the meter. A
t
h
e
r
m
o
w
e
ll
can be
i
n
s
t
a
ll
e
d
i
n
the meter
run
p
i
p
i
n
g
or on the
m
e
t
e
r
i
t
s
e
l
f
to
f
a
c
ili
t
a
t
e
i
n
s
t
a
ll
a
t
i
on
o
f
the
t
e
m
p
e
r
a
t
u
r
e
p
r
o
b
e
.
T
h
e
meter
pressure
s
hou
l
d
come
f
r
o
m
the meter
d
i
ff
e
r
e
n
t
i
a
l
pressure
t
a
p
s
.
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