Omega Products FSW-132 User Manual

MINI BRASS FLOW SWITCH

OUT IN

14 NPT

14 NPT

25.4
(1)

.

(2.5)

15.

(0.25)

.5

(0.35)

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

14 NPT

Dimensions: mm (inch)

.

(2.5)

(0.35)

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)

14 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