Flowserve VTP User Instructions page 6

VERTICA
taken to avo id accidental
protection is not possible,
be limited to maintenance e staff only, w
warnings and d indicators to
immediate a rea. Note: be
insulated and d drive motor
If the tempe erature is grea
below -5 ºC (23 ºF) in a re
local regula tions, action
HAZAR RDOUS LIQU UIDS
When the pu mp is handling
must be take en to avoid exp
appropriate s siting of the pu ump, limiting p
access and b by operator tra aining. If the liq
flammable an nd/or explosive
must be appl ied.
Gland packi ing must not
hazardous l liquids.
PREVENT T EXCESSIVE
PIPE LOAD
Do not use p pump as a su
mount expan nsion joints, u unless allowed
in writing, so o that their for
acts on the p pump flange.
ENSURE
(See section n 5, Commissi
and shutdow wn.)
START TH HE PUMP WIT
VALVE PART TLY OPENED D
(Unless othe erwise instruc
User Instruct tions.)
This is recom mmended to m
overloading and damagin
zero flow. P umps may be
further open only on insta allations where
cannot occu r. The pump
need to be a adjusted to co omply with the
the run-up p rocess. (See e section 5, Co
start-up, ope eration and sh hutdown.)
NEVER R
INLET VAL
WHEN PUM P IS RUNNIN
Running the pump at zero o flow or below
recommende ed minimum fl
damage to th he pump and
DO NOT R
ABNORMAL LLY HIGH OR R LOW FLOW
Operating at a flow rate hig
rate with no b back pressure
Page 6 of 76 6
AL TURBINE E PUMPS (VT
contact. If co omplete
, the machine e access must
ith clear visua
o those enter ing the
earing housin gs must not b
rs and bearing gs may be ho
ater than 80 ºC (175 ºF) o
estricted zon ne, or exceed
as above sh hall be taken.
g hazardous li iquids care
posure to the l iquid by
ersonnel
quid is
e, strict safety y procedures
t be used wh hen pumping
E EXTERNAL
pport for pipin ng. Do not
d by Flowserv
ce, due to int ernal pressur
CORRECT L UBRICATION
ioning, startup p, operation
TH OUTLET
ted at a spec ific point in th
minimize the r risk of
g the pump m motor at full o
e started with the valve
e this situatio
outlet contro l valve may
e duty followin
ommissioning
UN THE PUM MP DRY
LVES TO BE F FULLY OPEN
G
w the
low continuou usly will cause
mechanical s eal.
RUN THE PU MP AT
W RATES
gher than norm mal or at a flow
on the pump may overload
TPS) CENTRI IFUGAL PUM
the mo otor and cause
t cause a reduction in
al the pum mp, instability
be 1.6.4 Products u
ot. atmospher
Measures are M
r

Av void excess te
ds

Pr revent build u

Pr revent the gen

Pr revent leakage

Ma aintain the pu
The fo ollowing instru
when i installed in po
must b be followed to
For AT TEX, both ele
equipm ment must me
g Directi ve 94/9/EC.
Ex req quirements eg
EU ma ay be required
L
IECEx x, UL.
1.6.4.1 1
Scope of
ve
re,
U Use equipmen
approp priate. Always
couplin ng assembly, s
N
suitably y rated and/or
specific c atmosphere
Where e Flowserve ha
pump, the Ex rating
party re esponsible fo
he
shall se elect the coup
equipm ment, with the
Declar ration of Confo
r
the are ea in which it i
on
The ou utput from a va
cause a additional hea
ng
pumps s sets with a VF
g
motor m must state tha
electric cal supply is fro
require ement still appl
e
w
d
MPS ENGLIS SH 71569224
e cavitations. Low flow rate
n pump/bearing g life, overhea
and cavitation n/vibration.
used in poten ntially explos
res
e required to:
emperature
p of explosive e mixtures
neration of sp parks
es
ump to avoid h hazard
uctions for pum mps and pum
otentially expl losive atmosp
o help ensure explosion pro
ctrical and no on-electrical
eet the require ements of Eu
Always obse rve the region
g Ex electrical l items outsid
d certified to o other than AT
f compliance e
nt only in the z zone for which
s check that th he driver, drive
seal and pump p equipment a
r certified for th he classificatio
e in which they y are to be inst
as supplied o nly the bare s
applies only t to the pump.
or assembling the ATEX pum
pling, driver a nd any additio
necessary C E Certificate/
ormity establis shing it is suit
is to be install led.
ariable frequen ncy drive (VFD
ating affects in the motor and
FD, the ATEX X Certification fo
at it is covers th he situation wh
om the VFD. T This particular
lies even if the e VFD is in a sa
flowse
4 – 02-15
s may
ating of
sive
mp units
pheres
otection.
uropean
nal legal
e the
TEX eg
h it is
e
are
on of the
talled.
shaft
The
mp set
onal
table for
D) can
d so, for
or the
here
r
afe area.
erve.com