Flowserve WDX R/C User Manual

WD X U SE R I N S TRU CT IO N SE N GLIS H 71576322 06 - 05
Page 18 of 46
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P a r a ll e l
An
g
u l a r
M a xim u m pe rmissi b l e mis a li gn m ent at w o rki ng
te
m pe r atu r e:
Pa
r a ll e l 0.2 mm ( 0.008 i n. )T I R
Angu l a r 0.1 mm ( 0.004 i n. )T I R
W
hen c he cki ng pa r a ll e l a li gn m ent, the tota li nd ic ato r
r
ead - out (T I R) s ho w n is t wic ethe v a l ue of the a c tua l
s
haft d is p l a c e m ent.
A
li gn i nthe v e r t ic a l p l ane f irs t, then ho ri z onta lly b y
m
o vi ng m oto r . W hen pe r fo rmi ng f i na l a li gn m ent, c he ck
fo rs oft - foo t un de r the d ri v e r .A T I Ri nd ic ato r p l a c edon
the
c oup li ng, r ead i ng i nthe v e r t ic a l d ir e c t i on, s hou l dnot
i nd ic ate m o r ethan0.05 mm ( 0.002 i n. )m o v e m ent w hen
an
y d riv e r fo ot fa s tene risl oo s ened.
W h il ethepu m p is c apab l eofope r at i ng wi th the
m a xim u mmis a li gn m ent s ho w nabo v e, m a xim u m pu m p
r e li ab ili t yis obta i ned b y nea r pe r fe c ta li gn m ent of 0 .05
to 0.10
mm ( 0.002 to 0.004 i n. )T I R pa r a ll e l and
0.05
mm ( 0.002 i n. ) pe r 100 mm ( 4 i n. ) of c oup li ng
f
l ange d i a m ete r a sT I R angu l a rmis a li gn m ent. T h is
c
o v e rs the fu ll s e ri e s of c oup li ng s a v a il ab l e.
Pu
m p swi th th ick f l anged non -s pa c e rc oup li ng sc an
be a
li gned b y u si ng a s t r a i ght - edge a cr o ss the
out
si de d i a m ete rs of the c oup li ng hub s and
m ea s u ri ng the gap bet w een the m a c h i ned fa c e s
u si ng fee l e r gauge s , m ea s u ri ng w edge o rc a li pe rs .
W hen the e l e c t ri c m oto r ha ssl ee v ebea ri ng si t is
ne c e ss a ry to en s u r e that the m oto ris a li gned to r un
on
i t sm agnet ic c ent r e li ne.
 R efe r to the m oto rm anua l fo r deta ils .
Abutton
(scr e w ed i nto one of the s haft end s) i s
no rm a lly f i tted be t w een the m oto r and pu m p s haft
end
s to f ix the a xi a l po si t i on.
If the m oto r doe s not r un i n i t s
m
agnet ic c ent r ethe r e s u l tant add i t i ona l a xi a l fo rc e
m a y o v e rl oad the pu m pth r u s tbea ri ng.
C o m p l ete p i p i ng a s be l o w and s ee s e c t i on s 4.7,
Fi na ls haft a li gn m ent c he ck up to and i n cl ud i ng
s e c t i on 5, C o mmissi on i ng, s ta r tup, ope r at i on and
s hutdo w n befo r e c onne c t i ng d riv e r and c he cki ng
a
c tua lr otat i on.
4.6 Pi p i ng
T he u s e rm u s t v e ri f y that the equ i p m ent is
is
o l ated f r o m an y e x te r na ls ou rc e s of vi b r at i on.
P r ote c t iv e c o v e rs a r ef i ttedtothep i pe
c onne c t i on s to p r e v ent fo r e i gn bod i e s ente ri ng du ri ng
t
r an s po r tat i on and i n s ta ll at i on. En s u r ethatthe s e
c o v e rs a r e r e m o v ed f r o m th e p u m pbefo r e c onne c t i ng
an
y p i pe s .
4.6.1 S u c t i on a nd d is c h ar g e p i p ew o rk
In o r de r to mi n imiz ef ric t i on l o ss e s and h y d r au lic
no is e i nthep i pe w o rk i t is good p r a c t ic eto c hoo s e
p
i pe w o rk that is one o r t w o si z e sl a r ge r than the
pu
m p s u c t i on and d isc ha r ge. Ty p ic a lly m a i np i pe w o rk
v
e l o ci t i e ss hou l dnote xc eed 2 m / s( 6 ft/ s e c) s u c t i on
and 3
m / s( 9 ft/ s e c) on the d isc ha r ge.
T a k e i nto a cc ount the a v a il ab l e N PS Hm u s tbeh i ghe r
than the r equ ir ed N PS H of the pu m p. W hen
dete
rmi n i ng the N PS H a v a il ab l ethe v apou r p r e ss u r e
at the ope
r at i ng te m pe r atu r e m u s tbeta k en i nto
a
cc ount.
N e v e r u s e the pu m pa s a s uppo r tfo r
p i p i ng.
M a xim u m fo rc e s and m o m ent s a ll o w ed on the pu m p
f
l ange sv a ry wi th t he p u m p si z eandt y pe. T o
mi n imiz ethe s efo rc e s and m o m ent s that m a y , i f
e
xc e ssi v e, c au s e mis a li gn m ent, hot bea ri ng s , w o r n
c oup li ng s , vi b r at i on and the po ssi b l efa il u r eofthe
pu
m p c a si ng, the fo ll o wi ng po i nt ss hou l dbe s t ric t ly
fo ll o w ed:
 P r e v ent e xc e ssi v ee x te r na l p i pe l oad
 N e v e r d r a w p i p i ng i nto p l a c eb y app lyi ng fo rc eto
pu
m pf l ange c onne c t i on s .
 D onot m ount e x pan si on j o i nt ss o that the ir fo rc e,
due to
i nte r na l p r e ss u r e, a c t s on the pu m pf l ange.
It
is r e c o mm ended that e x pan si on j o i nt s u s e
th
r eaded r od to limi tan y fo rc e s of th is t y pe.
 T he rm a l e x pan si on sm u s tbe c o m pen s ated i n
s u c ha w a y that no add i t i ona l fo rc e s a c tonthe
pu
m pf l ange s .
 M a k e s u r ethatp i p i ng f l ange s a r e s qua r eand
c on c ent ric to the pu m pf l ange s .

Flowserve WDX R/C Specifications

General

Brand	Flowserve
Model	WDX R/C
Category	Water Pump
Language	English