Flowserve VTP - Stopping and Shutdown

Page 46 of
7
Pu
m
5.8.4
If the
p
explosive at
m
monitoring
a
If pump bea
r
bearings) ar
e
benchmark
t
commissioni
temperature
 Record
t
ambient
 Estimat
e
tempera
 Set the
a
and the
t
and 105
It is importa
n
keep a clos
e
A
fter startup
reaching a
m
hours. This
constant or
m
Mul
t
5.8.5
A
dditional p
r
can pump s
y
idle. Contac
t
Stop
p
5.9
a) Close th
runs in t
h
second
s
b) Stop th
e
c) Switch
o
supplies
especially w
drop below
f
and flushing
otherwise p
r
Hydr 5.10
du
t
This produc
t
performanc
e
however it i
s
product the
s
help the use
VERTIC
A
7
6
m
p and moto
p
umps are w
o
m
osphere, te
a
t the bearing
s
r
ing temperat
e
to be monit
o
t
emperature i
s
ng stage an
d
has stabilize
t
he bearing t
e
temperature
e
the likely m
a
ture (tb)
a
larm at (t+tb
t
rip at 100 
C
C (220 F)
f
n
t, particularl
y
e
watch on th
e
t
he tempera
t
m
aximum aft
e
temperature
m
arginally re
d
t
iple Can Pu
m
r
ocedures m
a
y
stems when
t
Flowserve f
o
p
ing and
S
e outlet valv
e
h
is condition
s
.
e
pump.
o
ff flushing an
at a time ap
p
For prolo
n
h
en ambient
f
reezing point
arrangemen
t
r
otected.
aulic, me
c
y
t
has been su
e
specificatio
n
s
understood
t
s
e may chang
r decide how
A
L TURBIN
E
r bearing te
m
o
rking in a po
m
perature or
s
is recomm
e
ures (such a
s
o
red it is ess
e
s
recorded a
t
d
after the be
a
d.
e
mperature (t
(ta)
a
ximum ambi
-ta+5) C [(t+
C
(212 F) for
f
or grease lu
b
y
with grease
e
bearing te
m
t
ure rise sho
u
r approximat
e
rise should t
h
d
uce with tim
e
m
p Operati
o
a
y be require
d
one or more
o
r details.
S
hutdown
e
, but ensure
for no more t
d/or cooling/
h
p
ropriate to t
h
n
ged shutdo
w
t
emperature
s
, the pump a
n
t
s must be dr
a
c
hanical a
n
pplied to me
e
n
s of your pu
r
t
hat during th
e. The follo
w
to evaluate t
E
PUMPS
(
V
T
m
perature
tentially
vibration
e
nded.
s
thrust
e
ntial that a
t
the
a
ring
) and the
ent
tb-ta+10) F]
oil lubricatio
n
b
rication
lubrication, t
o
m
peratures.
u
ld be gradu
a
e
ly 1.5 to 2
h
en remain
e
.
o
n
d
in multiple
pump remai
n
that the pum
p
han a few
h
eating liquid
h
e process.
w
ns and
s
are likely to
n
d any coolin
a
ined or
n
d electric
a
e
t the
r
chase order,
e life of the
w
ing notes m
a
h
e implicatio
n
T
PS
)
CENTR
I
n
o
l,
n
s
p
g
a
l
a
y
n
s
of any
Flows
e
5.10.1
Pump
chang
e
press
u
absor
b
theref
o
will no
t
the pu
5.10.2
For a
g
increa
s
viscos
absor
b
reduc
e
check
s
if cha
n
5.10.3
Chang
absor
b
direct
p
ratio s
q
The n
e
syste
m
theref
o
pressu
NPSH
A
within
l
5.10.4
NPSH
availa
b
press
u
NPSH
requir
e
pressu
import
a
NPSH
A
chang
e
are no
perfor
m
partic
u
If in d
o
office
f
margi
n
5.10.5
Flow
m
maxi
m
perfor
m
IFUGAL PU
M
change. If i
n
e
rve office.
Specific g
r
capacity and
e
with SG, h
o
u
re gauge is
d
b
ed is also di
r
o
re important
t overload th
e
mp.
Viscosity
g
iven flow rat
s
ed viscosity
ity. Also for
a
b
ed increase
s
e
s with reduc
e
s
are made
w
n
ges in visco
s
Pump spe
e
g
ing pump sp
e
b
ed, NPSH
R
,
n
p
roportion to
p
q
uared and p
o
e
w duty, how
e
m
curve. If inc
r
o
re to ensure
t
u
re is not exc
e
A
> NPSH
R
, a
n
l
ocal require
m
Net positi
v
available (N
P
b
le in the pu
m
u
re, at the pu
m
required (NP
S
e
d in the pum
p
u
re, to prevent
a
nt that NPS
H
A
> NPSH
R
sh
e
in NPSH
A
i
s
o
t significantl
y
m
ance curve
u
larly if flow h
o
ubt please c
o
f
or advice an
d
n
for your ap
p
Pumped fl
o
m
ust not fall
o
m
um continuo
u
m
ance curve
M
PS ENGLI
S
n
doubt conta
r
avity (SG)
total head in
o
wever press
u
d
irectly propo
r
ectly proport
to check tha
t
e
pump drive
r
t
e the total h
e
and increas
e
a
given flow r
s
with increa
s
e
d viscosity.
w
ith your near
s
ity are plann
e
e
d
e
ed effects flo
w
n
oise and vibr
a
p
ump speed,
h
o
wer varies a
s
e
ver, will also
b
r
easing the s
p
t
he maximum
e
eded, the dri
v
n
d that noise
a
m
ents and reg
u
v
e suction h
e
P
SH
A
) is a m
e
m
ped liquid,
a
m
p suction b
r
S
H
R
) is a me
a
p
ed liquid, ab
o
t
the pump fro
m
H
A > NPSH
R
.
T
ould be as la
r
s
proposed,
e
y
eroded. Re
f
to determine
as changed.
o
nsult your n
e
d
details of t
h
p
lication.
o
w
o
utside the m
i
u
s safe flow
s
and or data
s
S
H 7156922
4
flows
e
ct your near
e
metres (feet
)
u
re displaye
d
rtional to SG
.
ional to SG.
t
any change
r
or over-pre
s
e
ad reduces
w
e
s with reduc
e
ate the powe
s
ed viscosity,
It is importa
n
est Flowserv
e
e
d.
w
, total head,
a
tion. Flow v
a
h
ead varies a
s
s
speed ratio
c
b
e dependent
p
eed, it is imp
o
pump workin
g
v
er is not over
l
a
nd vibration
a
u
lations.
e
ad (NPSH
A
)
e
asure of the
a
bove its vap
o
r
anch.
a
sure of the h
e
o
ve its vapour
m
cavitating.
T
he margin b
e
r
ge as possibl
e
e
nsure these
f
er to the pu
m
exact requir
e
e
arest Flows
e
h
e minimum
a
i
nimum and
s
hown on the
s
heet.
4
– 02-15
e
rve.com
e
st
)
do not
d
on a
.
Power
It is
in SG
s
surize
w
ith
e
d
r
and
n
t that
e
office
power
a
ries in
s
speed
c
ubed.
t
on the
o
rtant
g
l
oaded,
a
re
head
o
ur
e
ad
It is
e
tween
e
. If any
margins
m
p
e
ments
e
rve
a
llowable
pump