Omega Products FSW-132 User Manual
MINI BRASS FLOW SWITCH
OUT IN
14 NPT
14 NPT
25.4
(1)
.
(2.5)
15.
(0.25)
.5
(0.35)
25.4
(1)
25.4
(1)
FSW-130 Series
U Only 25 x 70 mm
(1 x 2³⁄₄")
U Sturdy Brass
Construction
U No Switch-Point
Adjustment
BB
FSW-132
shown actual size.
Measuring only 25 x 70 mm
(1 x 2³⁄₄"), these FSW-130 Series
compact switches are ideal for
use where space is at a premium.
Designed for use with water and oil,
.5
14 NPT
Dimensions: mm (inch)
.
(2.5)
(0.35)
OUT IN
25.4
(1)
SPECIFICATIONS
Wetted Materials:
Housing and Piston: Brass
Spring: 316 stainless steel
Maximum Pressure: 69 bar (1000 psig)
Operating Temperature: -29 to 93.3°C
(-20 to 200°F)
Set Point Accuracy: ±15%
Set Point Differential: 20% maximum
Relay: SPST, 20 VA
Inlet/Outlet Ports: ¹⁄₄ NPT
Electrical Termination: No. 18 AWG,
610 mm (24") L, PVC lead wires
Weight: 9 oz (255 g)
these switches are suitable for high
volume OEM applications. They are
ideal for coolant or lubricant flow
monitoring in portable equipment
and many other applications with
4
25.4
(1)
15.
(0.25)
25.4
(1)
14 NPT
3
FSW-134
2
1
Pressure Drop (psid)
0
0 0.5 1.0 1.5 2
Tests conducted with units in vertical position
(lead wires up) with water at 21ºC (70ºF)
Pressure Drop Examples (Typical)
space constraints. The switch points
are based on water flow; oil switch
points are dependent on the oils
properties, and field testing
is recommended.
FSW-131
FLOW RATE - GPM
To Order Visit omega.com/fsw-130 for Pricing and Details
Model No. Description
FSW-131
FSW-132 Brass flow switch 0.25 GPM switch point
FSW-133 Brass flow switch 0.50 GPM switch point
FSW-134 Brass flow switch 0.75 GPM switch point
FSW-135 Brass flow switch 1.00 GPM switch point
FSW-136 Brass flow switch 1.50 GPM switch point
Comes complete with operator’s manual.
Notes: Flow settings are calibrated using water at 21ºC (70°F) on increasing flow, with units
in a vertical position.
Care should be taken to ensure fluid compatibility with the above listed wetted materials.
Use of 50 micron filtration is recommended.
Ordering Examples: FSW-131, mini brass flow switch, 0.10 GPM switch point.
FSW-135, mini brass flow switch, 1.00 GPM switch point.
Brass flow switch 0.10 GPM switch point
B-80
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