FSW-130 Series
Brass Body Flow Switch
Installation:
Uni t s a r e c ali b r ate d i n a ve r t ical po s iti o n , w i th l ea d wi r es up, bu t c an b e i nstal led
in an y o r i en t atio n . Inst all u nit i n pip i ng s yst e m , u s i ng s t a nd a r d pi p e fi t t ing p r o ce-
dures . H old i n l et fitt i ng wit h w re n c h a t i nsta l lati o n to pr e v ent fi t ti ng t o rqu e a c cu -
mu l atio n . Be s u r e to keep t h r e a d sea l in g co m pou nd out of uni t. Mak e sur e that
flow is in p r ope r di r ec t i on - m ark e d " IN" and " O U T " o n h o u sin g. See wiri n g dia-
gram s for e lec t ri c a l c o n ne c t ions .
CA U TION : See " S wi t ch R a ti n gs" b efore c o n n ec t i ng p o we r .
NOT E: Flow s e ttin g s for FSW -13 0 se r i es s witc h es are n o rma l l y c a lib r a te d us i ng
wa te r @ + 7 0 °F o n i ncre asin g flo w.
Maintenance:
Acc u mul atio n of for e i gn deb r i s sho u l d peri o d ica l l y be rem o v e d fr o m these s w i tc h es. Occ asi o n al
"wip e d ow n " cl e a nin g wh e n e xc e ss i ve con t a mi n a tio n is p r es e n t i s a l l tha t is n orm a l l y re qui r e d. T o
cle a n : Re mov e un it from s ys te m an d di s asse m ble as sh o wn b e l ow. Cl e a n all part s , reass e m b le
and r e i ns t all unit . Not e : 5 0 mi c ro n fil t ratio n is r eco m m e nded.
M-5169/1112
Specifications FSW-130
Wetted Materials
Housing
Brass
Piston N/A
Spring 316 SS
Operating Pressure
1000 psig, Max
Operating Temperature
-20°F to +200°F
Set Point Accuracy
±15%
Set Point Differential
20% Max.
Switch
SPST, 20 VA, N.O.
Inlet/Outlet Ports
1/4” NPT
Electrical Termination
No. 18 AWG, 24" L.,
PVC Lead Wires
Wiring Diagram
Important Points:
Prod u c t mu s t b e m ai n t aine d a n d ins t all e d i n s tric t a c corda nce wi th the Nat i on a l
El e c tric a l Code an d Om e g a pr oduct c a t al o g and i n s tr u c tio n bull e tin. Fa i lu r e to
obse r v e t h is warni n g c o u ld resul t i n ser i ous i nju ries o r d a mag e s .
An appro p ri a t e e xplo s i o n - proof e n clos u re o r int r i nsi c all y saf e i nterf a c e d evic e m ust
be us e d fo r ha zar d ous ar e a ap pli c atio n s inv o l vi n g s u c h thi n gs as (b u t no t li mi t ed
to) i gnit a b l e m i xt u r es , com busti bl e dust a nd f lam mab l e m a teri a l s .
** * W a r n ing: T o pre v ent i g n iti o n o f fl a m m a ble o r c om b u stib l e at mos p heres , d isc on-
nect p owe r bef ore s e rv i cin g .
Pres s ure a nd tem p eratu re l im i tat i ons s ho wn on i ndi v i dual cat a lo g pag e s an d d r a w-
ings for the sp e c ifi e d fl ow swi t c hes mus t not be exce eded . These pres s ure s a n d
tem p eratu r es tak e in to con s idera t ion po s s ibl e system surge pr e ssur es/
tem p eratu r es a n d t h eir f req u enc ies .
Sel e cti o n of m ateri a ls f o r com pati b ili t y wit h the m edia i s c r i ti c a l t o the l i fe a n d
opera t i o n of O ME GA flo w swi t ch e s . T ak e care i n t h e pro per s e le c tion of m ateri a ls
of c o n str u cti o n ; p a rtic u larl y wet t ed m ate r i als .
Life expec t an c y of s wit c h c ontac ts v aries wit h ap p l ic a t ions .
Am bient te m pera t u re cha nges d o a f fect s wi tch s e t p oint s , sin c e the spe c i fi c g ravi t y
of a l iqu i d can va r y wi t h t e mp e r atu r e .
Flo w swit c hes have been desi g ned to res i st sh ock and vi brati on; ho w e v er, shoc k
and v i bra t ion s ho u l d be m i n i mi z ed.
Liqu i d m edi a c o ntai n i ng par t i cul ate and / or de b ris sho u l d b e fil t ered to ens ure pro p -
er op e rat i on o f O ME GA p rod uct s.
El e c tric a l e ntri e s a n d mo u n ting p o ints m ay r equi r e liq u i d/va p or s e a lin g i f l o cate d i n
an en c los ed t a n k .
Flo w swi t ches m us t not be f i eld repai red .
Ph ysi c al d a m ag e su s tain ed b y t h e pro d uct m a y r e nde r it unse r v i c eabl e .
Thi s produc t i s sui t able fo r C la s s I a n d C las s II app l ica t i ons o nl y, pe r t he re q u ire-
me n t s o f st a nda r d E N 607 3 0 a n d an y addi t i on a l s peci f i c r equ i re m ent s for a
parti c ula r a p p lic a t ion or me d i um bei n g se nsed . Cl a ss I c omp l ianc e of me t -
al b o died u ni t s re q ui r e s a g rou nd c o n ne c t ion b et ween t he m et al b o d y an d
the eart hing s ys tem of th e i n s t a l lat i on. Cla s s I com pli a nc e of pl a stic bo d -
ied u n i ts i n c o n tact wi t h a c o ndu c tiv e m edi u m r e q ui r e s th at th e m edi u m be
effe c t ive l y e art h e d so as t o pr ov ide an ear t h ed b a rrier b e twe en t he uni t and a c c es-
sib l e are a s . F or C l ass III com p l ian c e, a s u p p l y a t saf et y extra - lo w v ol t age ( S EL V )
mu s t b e p r o vid ed. Pl e a se co n s ul t t h e F a ct o r y f or c o m pli a nce inf orm a tion on s p eci f -
ic p a rt nu m be r s.
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