Flowserve VTP User Instructions page 43

VERTICA
5.7.1.1
Ty ypical safety
After initia al startup, pre
the mechani cal seal will u usually not be
enough liquid d will remain
subsequent startup lubric
A s screen guard
having a two o-piece heads shaft or an ad
flanged coup pling. This sc creen must be
place prior to o pump startu up to prevent
contact with rotating parts s. Typical arr
shown in sec ction 5.7.1.1.
5.7.2 Stuf ffing box adj
On the initial starting it is v very important
packing not b be tightened e excessively. N
must be run in properly to
and shortenin ng of the pack king life.
The stuffing b box must be a allowed to lea
operation. T The proper am mount of leaka
determined b by checking th he temperatur
leakage, this should be co ool or just luke
HOT - usuall y 40 to 60 dro ops per minute
adequate.
When adjust ing the packin ng gland, bring
down evenly and in small
reduced as r equired. The
Page 43 of 7 76
AL TURBINE E PUMPS (VT
guards
G UARDS
INS STALLED
e-lubrication o of
required as
in the seal ch hamber for
ation.
is furnished w with all pump
justable
e secured in
possible
angement is
ustment
t that the
New packing
prevent dama age to the sha
k for proper
ge can be
re of the
ewarm - NOT
e will be
g both nuts
steps until the e leakage is
nuts should o only be
TPS) CENTRI IFUGAL PUM
tighten ned about one
minute e intervals to a
Under proper opera
time. O Occasionally a
be add ded to keep th
After a adding two or t
proper r adjustment c
box sh hould be clean
and re- -packed.
5.7.3 Open shaft
Open l lineshaft bear
pumpe ed fluid on sho
(50 ft) long and usu
lubrica ation. All ope
water l level is more
discha arge head sho
before e startup. The
reverse e ratchet on t
when t turning off pu
lubrica ation is also n
5.7.4 Enclosed s
Enclos sed lineshaft b
extrane eous liquid (u
The oi l reservoir mu
quality y of light turbin
operat ting temperatu
drops/ minute for ev
Injectio on systems a
s
Injectio on pressure a
will var ry. Usually 0
0.7 to 0 0.14 bar (10 t
discha arge pressure
For rec commended o
lubrica ation under no
see tab bles 5.2.3.1 a
oils are e available, oi
should d be obtained.
aft
oxidati on inhibitors a
2
to 37 c cSt (mm /sec)
viscosi ity index of 90
In th
bearing gs, the sourc
checke ed against the
require ements for an
supply y pressure or
supply y before pump
MPS ENGLIS SH 71569224
e half turn at a a time at 20 to
allow the pack king to "run-in
ation, a packin ng set will last
a new ring of packing will n
he box full.
three rings of f packing, or w
cannot be ach hieved, the stu
ned completel y of all old pa
ft lubrication before start
rings are lubr ricated by the
ort-coupled u units less than
ually do not re equire pre- or
n lineshaft pu umps where th
than 15 m (5 0 ft) below th
ould be adequ uately pre-lub
ese units shou uld have a no
the driver to p prevent backs
mp. If there i is no NRR, po
ecessary.
shaft lubrica ation before s
bearings are lubricated by
usually oil or c clean water
ust be kept fil led with a goo
ne oil (about 3 30 cSt (mm
ure) and adju usted to feed 3
very 30 m (10 0 ft) of colum
re designed f for each insta
and quantity o of lubricating l
3
.45 to 0.90 m m /h (2 to 4 gp
to 20 psi) ove er maximum p
of clean liqui id is required
oils for enclos sed lineshaft b
ormal operatin ng conditions,
nd 5.2.3.2. If f none of the a
il with the follo owing specific
Turbine type e oil with rust
added, viscos sity 30 cSt (mm
) at 40 C (100 0 F) with a m
0.
he case of pro oduct-lubricat
ce of product s supply should
e order. Ther re may be
n external clea an supply, pa
the commenc cement of lub
p startup.
flowse
4 – 02-15
o 30
".
a long
need to
when
uffing
acking
tup
n 15 m
post-
he static
e
bricated
on-
spin
ost-
start up
an
od
2
/s sec) at
3
n.
allation.
liquid
pm) at
pump
.
bearing
please
above
cations
and
2
m /sec)
minimum
ed
d be
rticular
brication
erve.com