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 21 of 46
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4.6.4 D isc h ar g e p i p i ng
See s e c t i on 4.6.2 fo r t y p ic a l p i pe w o rk de si gn.
Anon
-r etu r n v a lv e s hou l dbe l o c ated i nthed isc ha r ge
p
i pe w o rk to p r ote c tthepu m pf r o m e xc e ssi v eba ck
p r e ss u r e and hen c e r e v e rs e r otat i on w hen the un i t is
s
topped.
P
i pe w o rk r edu c e rs s hou l dha v ea m a xim u m to ta l
ang l eofd iv e r gen c eof9deg r ee s .
Fi tt i ng an is o l at i on v a lv e will a ll o w ea si e rm a i ntenan c e.
It
s hou l dbe i n s ta ll ed do w n s t r ea m of the non -r etu r n
v a lv e.
If needed a
c ont r o l p r e ss u r e gauge m a y be i n s ta ll ed
on the p
i pe w o rk .
D onott i ghten the p i pe f l ange s befo r ethe f i na lc he ck .
4.6.5 Au xiliary p i p i ng
4.6.5.1 D rai n s
P i pe pu m p c a si ng d r a i n s and g l and l ea k age to a
c on v en i ent d is po s a l po i nt.
4.6.5.2 P u m p s f i tt e d wi th mec h a n ical seals
S i ng l e s ea ls r equ iri ng r e -circ u l at i on will no rm a lly be
p
r o vi ded wi th the au xili a ry p i p i ng f r o m pu m p c a si ng
a
lr ead y f i tted.
If the
s ea lr equ ir e s an au xi li a ry quen c hthena
c onne c t i on m u s tbe m ade to a s u i tab l e s ou rc eof
li qu i df l o w , l o w p r e ss u r e s tea m o rs tat ic p r e ss u r ef r o m
a heade r tan k . R e c o mm ended p r e ss u r e is 0.35 ba r( 5
p
si ) o rl e ss . C he ck Ge n e r a l a rr ange m ent d r a wi ng .
Spe
ci a ls ea ls m a yr equ ir ed i ffe r ent au xili a ry p i p i ng to
that de
scri bed a bo v e. C on s u l t s epa r ate Us e r
In s t r u c t i on s and o rFl o ws e rv e i fun s u r eof c o rr e c t
m ethod o r a rr ange m ent.
F o r pu m p i ng hot li qu i d s ,toa v o i d s ea l da m age, i t is
r
e c o mm ended that an y e x te r na l f l u s h/ c oo li ng s upp ly
be c ont i nued afte rs topp i ng the pu m p.
4.6.6 F i n al c h ecks
C he ck the t i ghtne ss of a ll bo l t si nthe s u c t i on and
d
isc ha r ge p i pe w o rk . Ti ghten i fne c e ss a ry . C he ck a ls o
the t
i ghtne ss of a ll foundat i on bo l t s . Ti ghten i f
ne
c e ss a ry . C he ck the t i ghtne ss of a ll au xili a ry p i p i ng.
Ti ghten i fne c e ss a ry .
4.7 F i n al s h a ft ali gn me nt c h eck
Afte rc onne c t i ng p i p i ng to the pu m p, r otate the s haft
s e v e r a l t im e s b y hand to en s u r ethe r e is no b i nd i ng
and a
ll pa r t s a r ef r ee.
R e c he ck the c oup li ng a li gn m ent, a s p r e vi ou sl y
de scri bed, to en s u r enop i pe s t r a i n. If p i pe s t r a i n
e
xis t s , c o rr e c tp i p i ng.
A
li gn m ent c an on ly be c on si de r ed def i n i t iv e afte r
p i pe w o rk ha s been c onne c ted.
4.8 Elec t rical c onn ec t i on s
4.8.1 Sa f e t yc ond i t i on sa bout ele c t rical
c
onn ec t i on s
E l e c t ric a lc onne c t i on sm u s tbe m ade
b
y aqua li f i ed E l e c t ri c i an i na cc o r dan c e wi th r e l e v ant
l o c a l nat i ona l and i nte r nat i ona lr egu l at i on s . T h is
i
n cl ude s an y g r ound i ng.
It is im po r tant to be a w a r eoftheE UR OPEA N
D
I R E CT IVE on potent i a lly e x p l o si v ea r ea sw he r e
c o m p li an c e wi th IE C 60079 - 14 is an add i t i ona l
r
equ ir e m ent fo rm a ki ng e l e c t ri c a lc onne c t i on s .
A v o i d m e c han ic a l ,h y d r au lic o r e l e c t ric a l
o v e rl oad b y u si ng m oto r o v e rl oad t ri p s o r apo w e r
m
on i to r and m a k e r out i ne vi b r at i on m on i to ri ng.
It is im po r tant to be a w a r eoftheE UR OPEA N
D
I R E CT IVE o n e l e c t r o m agnet ic c o m pat i b ili t yw hen
wiri ng up and i n s ta lli ng equ i p m ent on si te . At ten t i on
m u s tbepa i dtoen s u r ethatthete c hn i que s u s ed du ri ng
wiri ng/ i n s ta ll at i on donot i n cr ea s ee l e c t r o m agne t ic
e m i ssi on s o r de cr ea s ethee l e c t r o m agnet icimm un i t y of
the equ
i p m ent, wi ri ng o r an yc onne c ted de vi c e s .If i n
an
y doubt, c onta c t Fl o ws e rv efo r ad vi c e.
T he m oto rm u s tbe wir ed up i n
a
cc o r dan c e wi th th e m oto rm anufa c tu r e r's
i
n s t r u c t i on s( no rm a lly s upp li ed wi th i nthete rm i na l
bo x) i n cl ud i ng an y te m pe r atu r e, ea r th l ea k age,
c u rr ent and othe r p r ote c t iv ede vi c e s a s app r op ri ate.
T he i dent i f ic at i on na m ep l ate s hou l dbe c he ck ed to
en
s u r ethepo w e rs upp ly is app r op ri ate.
Ade vi c etop r o vi de e m e r gen cy s topp i ng m u s t
be f
i tte d.
If not
s upp li ed p r e -wi r ed to the pu m pun i t, the
c ont r o ll e r / s ta r te r e l e c t ric a l deta ils will a ls obe s upp li ed
wi th i nthe c ont r o ll e r / s ta r te r .
F o r e l e c t ri c a l deta ils on pu m p s et swi th c ont r o ll e rs
s
ee the s epa r ate wiri ng d i ag r a m .
See s e c t i on 5.3, Dir e c t i on of r otat i on
befo r e c onne c t i ng the m oto r to the e l e c t ric a ls upp ly .

Flowserve WDX R/C Specifications

General

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