Page 1
FSW-130 Series
Brass Body Flow Switch
M-5169/1112
Installation:
Units a re c al ib rate d in a v er ti ca l po si tion , wi th l ea d wi re s up , bu t ca n be i ns ta ll ed
in an y or ie nt at io n. In s ta l l u n i t i n pipi n g s yst e m , u s i n g st a n d a r d pi p e f i t ting p r o c e dures. H old i nl e t f i tti n g wi t h wr e n c h at in s t a l l a t i o n to pr e v e n t fi t ting t o r que a c cu mul a t i o n . Be s u r e to ke ep th r e a d s e a l i n g com p o u n d out of u n i t . Mak e su r e th a t
flow is in prop e r di r e c tion - m a r k e d "I N " a n d "O U T " on ho u s i n g. Se e wi ring di a grams f o r e l e c t r i c a l conn e c t i o n s .
CAU T I O N : S e e " S w i t c h Rati n g s " b e f o r e c onn e c t i n g p o wer .
NOT E : Fl o w setti n g s fo r FSW - 1 3 0 seri e s sw i tches ar e norm a l l y ca li b r a t e d us i n g
wa te r @ + 7 0 ° F o n incre a s i n g f l o w .
Ma i n tenance:
Acc u m u l a t i o n o f f o r e i g n d e b r i s s h o u l d p e r i o d i c all y be re mo v e d f r o m t h e s e s w i t c h e s . O c c asi o n a l
"wipedo w n " cl e a n i n g wh en ex c e s s i v e co n t a m inati o n is pr e s e n t is a l l tha t is no r m a l l y r e q u i re d . To
clean: Rem o v e u n i t from s ys t e m a n d di s a s s e m b l e a s s h o w n b e l o w . C l ean all pa rts, reass e m b l e
and reins t a l l u n i t . N ote : 5 0 m i c r o n f ilt r a t i o n i s r e c o m me n d e d .
Important Points:
Product m u s t be m a i n t a i n e d an d i n s t a l l ed i n s t r i ct a c c o r d a n c e wi t h t h e Nati o n a l
Elec t r i c a l C o d e a n d O m e g a p r oduct c a t a l o g a nd i n s t r u c t i o n bullet i n . F a i l u r e t o
observe t h i s w a r n i n g coul d r e s u l t i n seri o u s i n j u r i e s o r da m a g e s .
An a p p r o p r i a t e explos i o n -proof e n c l o s u r e or i n t r i n s i c all y s a f e i n terface d e v i c e m ust
be us e d for ha zar do u s ar ea ap p l ic a t i o n s in volv i n g su ch th i n gs as (but no t l i m i t e d
to) igni t a b l e m i x t u r es, c o m b u s t i b l e dust a n d f l a m m a b l e m a t e r i a l s .
** * W arning: T o pr e v e n t i g n i tio n of f l a m m able o r com b u s t i b l e at m o s p h e r e s , di s c o n nect po w e r b e f o r e s e rvic i n g .
Press u r e a n d t e m peratu r e l im i t a t i o n s sh o w n on i n d i vi d u a l catalo g pages a n d dr a w ings fo r th e sp ec i f i e d f l o w swit c h e s m u s t n o t be exc ee d e d . T h e s e p r e s s u r e s a n d
tem p e r a t u r e s tak e in t o co n s i deration po ssib l e sys tem surge pr e s s u r es /
tem p e r a t u r e s a n d t h e i r f r e q u e n c i e s .
Sele c t i o n o f ma t e r i a l s f o r com p a t i b i l i t y with t h e m e d i a i s c r i t i c a l to the l i f e and
operatio n of OM E G A fl ow sw i t c h e s . Tak e ca r e in th e pr o per se l e c t i o n of materials
of const r u c t i o n ; p a r t i cul a r l y w e t t e d m aterial s .
Life e x p e c t a n c y o f s witch c o n t a c t s v a ries w i t h a p p l i c a t i ons.
Am b i e n t t e m p e r a t ur e c h a n g e s do a f f e c t swi t c h s e t poi n t s , s i nce t h e s p e c ifi c g r a v i t y
of a li q u i d c a n v a r y with t e m p e r a t u r e .
Fl ow switches have be e n d e s i g ned to r e s i s t s h o c k a n d vibrat i o n ; ho w e v e r , s h o c k
and vibra t i o n s h o u l d be m i n i m i z e d .
Liquid m e d i a contai n i n g p a r t i c ul a t e a n d / o r de b r i s s h o u l d b e f i l t e r e d t o e n s u r e pr o p er ope r a t i o n o f O M E G A p r o d u c t s .
Elec t r i c a l e n t r i e s a n d m o u n t ing p o i n t s ma y r e q u i r e li q u i d / v a p o r se a l i n g i f lo c a t e d i n
an enclos e d t a n k .
Fl ow s w i t c h e s m u s t not b e f i e l d r e p a ire d .
Ph ysical d a m a g e s u s t a i ne d b y t h e p r o d u c t m a y r e n d e r i t unservi c e a b l e .
Wiring Diagram
Specifications FSW-130
Wetted Materials
Housing Brass
Piston N/A
Spring 316 SS
Operating Pressure
Operating Temperature
Set Point Accuracy
Set Point Differential
Switch
Inlet/Outlet Ports
Electrical Termination
1000 psig, Max
-20°F to +200°F
±15%
20% Max.
SPST, 20 VA, N.O.
1/4” NPT
No. 18 AWG, 24" L.,
PVC Lead Wires
Page 2
240326 Rev B
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