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General Description
The OMEGA
®
FSW-50 Series Flow Switches feature a 15A SPDT switch
and an internal screw adjustment which provides continuous switch point
adjustment while in operation in-line. Multiple drag disks are supplied
with each unit to provide incremental switch point adjustment. Their non-
magnetic design makes them ideal for applications where rust is a problem.
The FSW-50 comes standard in a plastic/316SS construction. The FSW-50
Series is also available in a special PPS* Hastelloy C and Viton construction.
The FSW-50 Series are for use in highly particle-contaminated liquids
such as sewage, machine cutting oils and medium slurries. The standard
models can be used in mildly corrosive liquids such as low to medium
concentration acids and bases; sea water, sewage oils; rusty coolant water,
etc. The special PPS* Hastelloy C and Viton construction models are for
use in concentrated corrosive liquids such as sulfuric, nitric, hydrochloric
and acetic acids; ferric chloride; aqueous ammonia; benzene; magnesium
chloride, etc.
Particle contamination resistance is provided by a flexible filter boot
which prevents crystallization, caking, heavy dirt concentration, slurries,
scum, etc., from affecting the operation of the flow detector. The FSW-50
Series Switches respond to flow only, independent of line pressure,
temperature and environment.
During emergency conditions these switches signal catastrophic system
failures such as line breakage; pump failure; incorrect valve opening or
closing; pipe, valve or filter clogging, etc.
Specifications
FLOW RANGE (water calibrated @ 70˚F)
The maximum flow range flexibility is provided by three adjustment
options:
1. Continuous adjustment while operating via a calibrated
FORCE/BALANCE spring.
2. Step incremental adjustment via drag disk size change.
3. Continuous adjustment via moment arm change.
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Notes