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 19 of 46
®
T he tab l e i n4.6.3 s u mm a ri z e s the m a xim u m fo rc e s
and m o m ent s a ll o w ed on WD Xpu m p c a si ng s . R efe r
to Fl o ws e rv efo r othe rc onf i gu r at i on s .
En s u r ep i p i ng and f i tt i ng s a r ef l u s hed
befo
r eu s e.
En s u r ep i p i ng fo r ha z a r dou sli qu i d sis a rr anged
to a
ll o w pu m pf l u s h i ng befo r e r e m o v a l of the pu m p.
E xc e ssi v ee x te r na ls t r a i n s( fo rc e s , m o m ent s)
m
a yc au s e mis a li gn m ent, gene r a lvi b r at i on s ,hot
bea
ri ng s o r e xc e ssi v e w ea r on c oup li ng s and s ea ls .
In e
x t r e m e c a s e s , l ea k age m a yr e s u l t wi th po te nt i a l
l
o ss of li fe wi th hot o rc o rr o si v e li qu i d s .
4.6.2 S u c t i on p i p i ng
R
efe r to the d i ag r a ms be l o w fo r t y p ic a l de si gn s of
s u c t i on p i p i ng fo r both f l ooded s u c t i on and s u c t i on li ft.
a
)T he i n l et p i pe s hou l dbeoneo r t w o si z e sl a r ge r
than the pu m p i n l et bo r eandp i pe bend ss hou l d
be a
sl a r ge a r ad i u s a s po ssi b l e.
b
) P i pe w o rk r edu c e rs s hou l dbe c on ic a l and ha v ea
m a xim u m tota l ang l eofd iv e r gen c eof15deg r ee s .
c) P i pe w o rk s hou l dbea rr anged to a v o i da ir po ck et s .
d
) If h i gh po i nt sc annot be a v o i ded on the s u c t i on li ne
equ
i pthe mwi th a ir r e li ef c o cks .
e
) On s u c t i on li ft the p i p i ng s hou l dbe i n cli ned up
to
w a r d s the pu m p i n l et wi th e cc ent ric r edu c e rs
i
n c o r po r ate d to p r e v ent a ir l o cks .
f
) On po si t iv e s u c t i on, the i n l et p i p i ng m u s tha v ea
c on s tant fa ll to w a r d s the pu m p.
g
)Fl o ws hou l dente r the pu m p s u c t i on wi th un i fo rm
f l o w ,to mi n imiz eno is eand w ea r . T h is is
pa r t ic u l a rl y i m po r tant on l a r ge o r h i gh -s peed
pu
m p sw h ic h s hou l dha v ea mi n im u m of f iv e
d
i a m ete rs of s t r a i ght p i pe on the pu m p s u c t i on
bet
w een the e l bo w and i n l et f l ange. See s e c t i on
10.3,
R efe r en c e1, fo rm o r edeta il .
h
) In l et s t r a i ne rs , w hen u s ed, s hou l dha v eanet ` f r ee
a
r ea ' of at l ea s tth r ee t im e s the i n l et p i pe a r ea.
i) D onot i n s ta ll e l bo ws at an ang l eothe r than
pe
r pend ic u l a r to the s haft a xi s .E l bo ws pa r a ll e l to
the
s haft a xi s wil l c au s e une v en f l o w .
j) E xc ept i n unu s ua lcirc u ms tan c e ss t r a i ne rs a r e
not
r e c o mm ended i n i n l et p i p i ng. If c on si de r ab l e
fo
r e i gn m atte ris e x pe c ted a scr een i n s ta ll ed at
the ent
r an c etothe w et w e ll i s p r efe r ab l e.
k) Fi tt i ng an is o l at i on v a lv e will a ll o w ea si e r
m
a i ntenan c e.
l) If an i n l et v a lv e is ne c e ss a ry , c hoo s ea m ode l
wi
th fu ll bo r e s oa s to limi t l o ss e s .Va lv e s te m
s
hou l dbe i na v e r t ic a l po si t i on. T he r e s hou l dbe
a
mi n im u m of f iv ep i pe d i a m ete rs bet w een the
pu
m pand the v a lv e.
m) N e v e r th r ott l epu m pon s u c t i on si de and ne v e r
p l a c ea v a lv ed ir e c t ly on the pu m p i n l et no zzl e.
n
)D onott i ghten f l ange s befo r ethef i na lc he ck .
Ty p ic a l de si gn – f l ooded s u c t i on
Not e :
Idea llyr edu c e rs s hou l dbe limi tedtoone p i ped i a m ete rc hang e ,
i e150 mm ( 6 i n. ) t o 200 mm ( 8 i n. ) . M u s tha v ea m a xi m u m tota l
ang l eof d iv e r gen c e of 1 5 deg r ee s .
Ty p ic a l de si gn – s u c t i on li ft
Not es :
1. S = Mi n im u ms ub m e r gen c e>3E.
2. I de a
llyr edu c e rs to be limi ted t o one p i pe d i a m ete rc ha ng e,
i e150 mm ( 6 i n. ) to 200 mm ( 8 i n. ) . M u s tha v ea m a xi m u m tota l
ang l eof d iv e r gen c eof15deg r ee s .

Flowserve WDX R/C Specifications

General

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