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FSW-140 Series
Plastic Flow Switch
M-5172/1112
Installation: All NPT t hr ea ds s ho ul d be in st al le d us in g a
suitabl e th re ad s ea lant (Te fl on t ape or P er ma te x “ No m or e
Leaks ”) . Se al an t mu st b e ke pt o ut o f un it d ur in g in st alla ti on .
FS W- 14 0 F lo w S wi tc he s Ca n b e Mo un te d I n Va ri ou s P os it io ns
Fl ow se tt in gs ar e ba se d on a ve rt ic al po si ti on (i nl et port do w n ) ,
using wa t e r at + 7 0 ° F on in c r e a si n g fl ow. Sl i ght va r i a tion in s e t
point ac t u a t i o n w i l l occ u r i n o t h e r m ounti n g o r i e n t a t i ons.
Switch Ratings
Contact r a t i n g : 1 0 W
Switchi n g V o l t a g e ( D C o r A C P e a k ): 2 0 0 M a x .
Switchi n g C u r r e n t ( D C or A C ) : 0 . 4 A Ma x .
Carr y C u r r e n t ( D C or AC ) : 0 . 4 A M a x.
Break d o w n V o l t a g e : 2 30 V D C M i n .
Important P o i n t s : Om ega p r o d u c t s m u s t b e mai n t a i ned
and i n s t a l l e d in s t r i c t a c c o r d a n c e w i t h t h e N a t i o n a l El e c t r i c a l
Code an d the ap p l icabl e Om eg a pr o d uc t in s t r u c ti o n Bu l leti n
that cov e r s i n s t a l l a t ion, o p e r a t i o n a nd p r o p e r m a i n t enanc e .
Fa il u r e t o o b s e r v e t h i s i n f orm a t i o n m a y r e s u l t i n s erio u s
injur y o r d a m a g e s .
Fo r ha z a r d o u s area ap p l i c a t i o ns in v o l v i n g su ch th i n g s as ,
but not lim i t e d t o , i g n i t a b l e m i x t u r e s , com b u s t i b l e d u s t a n d
flam m a b l e m a t e r i a l s , u s e an ap p r o priat e expl o s i o n p r o o f e n closure o r i n t r i n s i c a l ly s a f e i n t e r f ace devi c e .
Plea s e a d h e re t o th e p re s s u r e an d t e m per a t u r e l im i t a t i o n s
sho wn t h r o u g h o u t t his c a t a l o g f o r ou r l e v e l a n d flo w s e n s o r s .
Thes e li m i t a tions mu s t no t be exc ee d e d . Th e s e pres s u r e s
and te m p e ratu r e s ta ke into co nsi d e r a t i o n pos s i b l e s y s t e m
surge p r e s s u r e s / t e m per 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 m a t e r i a l s f o r c o m p a t i bili t y wi t h th e m e d i a i s
criti c a l t o t h e li f e an d op e r a t i o n of Om e g a pr o d u c t s . Ta k e
care in t h e p r o p e r se l ecti o n o f m a t e r i a l s o f co n s t r u c t i o n ,
testin g i s r e q u i r e d .
NSF-a p p r o v e d s e n s or s a r e m ad e o f m aterial s a p p r o v e d fo r
potable w a t e r a p p l i cati o n s a c c o r d i ng to S t a n d a r d 6 1 .
Stai n l e s s st e e l is ge n e r a l ly re g a r d e d as sa f e by NS F an d
FD A.
Life e x p e c t a n c y o f s witch c o n t a c t s v aries w i t h a p p l i c a tion.
Am b i e n t te m perature ch a n g e s d o af f e c t sw i t c h set po i n t s ,
since t h e g r a v i t y o f a l iq u i d c a n v a r y wit h t e m p e r a t u r e .
Our se n s o r s h a v e b e e n design e d to re s i s t s h o c k a n d vibration. H o w e v e r , s h o c k and v i b r a t i o n shoul d b e m i n i m ized.
Fi lt e r liq u i d m e d i a c o n t a i n i n g p a r t i c u l a te an d/ o r d e b r i s t o
ensure t h e p r o p e r o p erati o n o f o u r p r o ducts .
Elec t r i c a l e n t r i es a n d m ou n t i n g po i n t s i n an e ncl o s e d t a n k
ma y re q u i r e l i q u i d / v apo r s e a l i n g .
Our sens o r s m u s t n o t be f i e l d -re p a i r e d .
Ph ysical da m age su s t a i n e d by p r o d u c t ma y re n d e r it unser viceab l e .
Specifications
Wetted Parts
Housing, End Fitting
Piston
Spring
O-ring
Operating Pressure
Operating Temperature
Filter
Set Point Accuracy
Set Point Differential
Switch
Inlet/Outlet
Electrical Termination
Hydrolytically Stable Glass Reinforced
Polypropylene
PPS Composite
316 Stainless Steel
Fluorocarbon
200 psi at 70° F, 100 PSI at 212° F
-20° to +212°F (100°C)
100 Micron or better
20%, Maximum
20%, Maximum
SPST, 10 VA (See “Switch Ratings”)
3/8” NPT Male or Quick Connect
No. 24 AWG, 24” to 26” Polymeric Leads
Dimensions - Quick Disconnect Ports
Dimensions - 3/8” NPT Ports
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240329 rev B
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