ENGLIS
SH
If a
coupling spacer
is used the moto
operation.
dur
ing maintenance
Var
ious materials an
nd shaft sealing a
to h
handle aggressive
e, viscous or turb
equ
uipped with reinfo
orced ball bearin
6.2
2 FUNCTIO
ON
NEX
X pump is a centr
rifugal pump with
Dep
pending on requ
ired discharge p
290
00 RPM.
An
open impeller/re
everse vane imp
(dir
ection of rotatio
on is clockwise s
mov
vement is transm
mitted to the flu
the
n pumped to the
e discharge flang
flow
w passage of th
he pump casing
con
verted into press
sure energy.
NEX
X pumps are not
t self‐priming pu
sho
uld be completel
ly filled with liqui
Wh
en necessary or
r when a maxim
seve
eral possibilities a
are offered to ad
Mo
dification of the s
system hydraulic
A r
egulating valve
is added at the
hyd
draulic loss can be
e adjusted and so
Mo
dification of pum
mp characteristics
Use
e of a frequency
inverter gives th
The
e pump hydraulic
c curve is modifie
unchanged.
imp
peller diameter is
7
INSTALLA
ATION
CONNECT
TION
7.1
1 LOCATIO
ON
Equipme
ents that will be
accordingly and
certified
regu
ulations.
The
e choice of the p
ump location sh
mot
tor and should re
espect following l
Loc
ation will be ch
osen to ensure
and
d inspection.
Che
eck that there is a
ample overhead f
ava
ilable.
7.1
.1
FOUND
DATION
Pum
mp set can be ins
talled on various
gro
und, on a founda
ation concrete b
the
responsibility o
of the end user
type
e. Noise level an
d vibrations tran
the
quality of founda
ation.
Foll
owing rules are g
general instructio
‐ Ba
ase frame or p
ump matting pl
fou
ndation with no r
risk of distortion
‐ M
ake sure that th
he foundation co
qua
ality X0 to DIN 10
045). Generally, t
weight. With p
tim
es the pumpset
den
nsity it is then po
ossible to calcula
fou
ndation block.
‐ Su
urface under pu
umpset should b
dist
tortion of base p
plate after tighten
qua
ality is not suffic
cient, add shims
or won't have to
be moved rearw
are available. Thi
is pump is design
id fluids. The bea
aring bracket can
gs for demanding
g applications.
h axial inlet and ra
adial outlet.
ressure the pum
mp speed is 1450
peller turns insid
de the pump cas
seen from drive
end). The rotat
uid that is driven
n to the vanes a
ge where it leave
es the pump. In t
the kinetic ene
ergy of the fluid
mps. Suction lin
e and pump cas
id before pump s
tart.
mum pumping ef
ficiency is requi
dapt capacity/pre
ssure.
c characteristics :
e discharge side
of the pump. T
o the pump duty
point.
s :
he possibility to a
adjust pump spe
ed to reach requ
uired duty point
AND
ELECTRICAL
E
e used in a ATE
EX zone should
should fully com
mply with applica
ould permit a pr
roper cooling of t
limits :
space reservatio
on for maintenan
for lifting and tha
at lifting devices
s types of foundat
tions (on a concr
lock, on a steel f
framework, ...). I
to select prope
r pump foundat
nsmitted by the m
machine depend
ons that should b
e respected :
ate should be f
fastened to a ri
while the pump
is running.
ncrete is of suffi
icient strength (m
he weight of fou
ndation is aroun
pump set dimen
sions and concr
ate the dimensio
ons of the requi
be flat and shou
uld not create a
ning of foundatio
ons bolts. If surfa
s between groun
nd and base pla
Di
stortion on base
ard
ba
aseplate is definit
Couplin
ned
motor
n be
co
orrectly aligned af
ba
aseplate has beco
sh
imming.
Ev
ven if foundation
ch
heck coupling alig
th
e foundation.
0 or
7.
1.2
ANCH
sing
Ch
hemical anchorin
tion
an
n existing foundat
and
An
nchor bolts can b
the
d is
sing
red
1 –
– Anchor bolt
The
2 –
– Baseplate
3 –
– Concrete found
eed.
Fo
olded steel fabrica
but
Us
sing of shrink free
po
ositioning of the b
wo
ork. Foundation
L
wi
ill be performed
gr
outing of the bas
Founda
be
grout h
able
Ins
stallation withou
the
1 –
– Intermediate p
2 –
– Nut
3 –
– Leveling eleme
4 –
– Foot base
5 –
– Washer
6 –
– Fastening nut
7 –
– Washer
nce
8 –
– Baseplate faste
are
7.
1.3
POSIT
Pu
ump baseplate (
sh
ould be installed
rete
flo
ow of pumped flu
It is
tion
7.
1.4
COUP
on
Pu
umpsets assembl
ba
aseframe has be
th
ickness shims (0,
igid
m
otor height first.
fe
et too.
min
nd 3
Aligment of
rete
when the p
red
ali
ignment will avo
be
earings temperat
any
ace
Thermal expa
ate.
aligned at a
12
plate surface sho
ould be limited t
tively fastened to
o foundations.
ng alignment is c
checked before s
deliver ed on a c
common basepla
fter installation w
works are done t
ome twisted and
d leveling should
n works have bee
en done with ca
gnment after the
e baseplate is de
ORING
g device should b
be preferred to f
tion.
e used if foundat
tion block is to be
dation block
ated baseframes
will be grouted t
e grout is the mo
ost efficient. Gro
baseframe and re
educes vibrations
work surface pr
reparation and le
in the state of
the art and sho
seplate.
ation bolts shou
ld be fully tight
has cured.
t foundation :
late
nt
ning screw
IONING
cast iron base p
plate or fabricat
d horizontally to
ensure bearings
uid.
LING ALIGNM
MENT
ed with a flexibl
le coupling must
en definitively fa
fastened to the
,2 to 1 mm) to m
modify coupling a
Sometimes it is
necessary to ad
coupling should
d be performed
umpset is insta
alled in an haza
oid abnormal inc
creasing of the p
ure.
ansion : the pum
mp and motor wil
mbient tempera
ature with an al
o 0,4mm/m afte
r the
hipment (pumps
s and
ate) If coupling is
s not
his indicates that
t the
d be corrected by
y re‐
re, it is necessar
ry to
efinitively secure
ed to
fasten a baseplat
te on
e built.
to insure its rigidi
ity.
uting ensures co
rrect
s transmission to
o civil
eveling of basefr
rame
ould be done be
efore
tened only after
r the
ted steel basefra
ame)
s lifetime and pr
oper
be aligned after
r the
low
foundation. Use
alignment. Adjust
t the
d shims under p
pump
with particular
care
ardous area. Co
rrect
pump and motor
r ball
l normally have t
to be
lowance for the
rmal