Gems Sensors & Controls FS-380 Specifications
FLOW SWITCHES
FS-380 Series – Compact Flow Switch
for High Inline Pressures
Flow Rate Settings: 0.15 GPM to 2.00 GPM
Port Size: Multiple
Primary Construction Material: Brass or Stainless Steel
Setting Type: Fixed
These rugged inline flow switches use 100 micron filtration and are less susceptible
to clogging than other high-pressure inline flow switches. The one-piece magnetic
PPS composite piston makes the FS-380 ideal for high-pressure applications such
as industrial cleaning equipment. The FS-380 is also an excellent choice for semicon
cooling applications where simple design and reliable operation are required.
Specifications
Wetted Materials
Housing Brass or 316 Stainless Steel
Piston PPS Composite, Epoxy
Spring 316 Stainless Steel
O-Ring Fluorocarbon
Operating Pressure, Maximum 1500 PSI (107 bar); 500 PSI (34 bar) for 1/2˝ Barb Models
Operating Temperature -20°F to +275°F (-28.8°C to +135°C)
Set Point Accuracy ±20% Maximum
Set Point Differential 20% Maximum
Switch* SPST, 20VA, N.O. at no Flow
Electrical Termination No. 22 AWG, 24˝ to 26˝ Polymeric leads
*See “Electrical Data” on Page X-5 for more information.
Spacing
To prevent sensor to sensor magnetic field interference, follow the spacing
guidelines below.
2 13/64˝
How To Order – Standard Models
Specify Part Number based on flow settings.
Flow
Settings
1
1/2˝ NPT Male 3/8˝ NPT Male 3/8˝ NPT Male 3/8˝ Compression 1/2˝ Barb
GPM
0.15
0.25
0.50
1.00
1.50
2.00
– Stock Items.
Note:
1. Flow settings are calibrated using water @ 70°F on increasing flow with units in horizontal position.
Consult factory for other fluid compatibility.
192562 168432 179992 177592 239692
192563 168433 179993 177593 239691
192564 168434 179994 177594 239690
192566 168435 179995 177595 239689
192567 178353 179996 225525 239688
FLOW
1 1/4˝
Gems FS-380
Gems FS-380
FLOW
FLOW
2 3/8˝
Gems FS-380
FLOW
Gems FS-380
NOTE SWITCH
ORIENTATION
1 1/2˝
Brass Stainless Steel
— 181130 193482 212136 239693
Dimensions
1/2˝ Hose Barb Fitting
0.605
(15.4)
3/8˝ Tube End Compression Fitting
1/2˝ NPT Ports
3/8˝ NPT Ports
0.518
(13.1)
24˝-26˝
LEAD WIRES
1.16
(29.5)
2 PLCS
24˝-26˝
LEAD WIRES
24˝-26˝
LEAD WIRES
24˝-26˝
LEAD WIRES
Gems FS-380
FLOW
3/4˝ A/F HEX
4.63
(117.6)
FLOW
11/16˝ HEX
4.02
(102)
Gems FS-380
FLOW
7/8˝ HEX
4.0
(102)
Gems FS-380
FLOW
3/4˝ HEX
3.45
(88)
Pressure Drop – Typical
14
12
10
8
6
PSI DROP
SPRING 170342
1.5 + 2.0 GPM
SETTINGS
4
2
0
0 1 2 3 4 5 6 7
SPRING 10397
0.15 - 1.00 GPM
SETTINGS
FLOW RATE - GPM
U.L. Recognized
File No. E31926
1.13
(29)
1.13
(29)
1.25
(32)
1.00
(25)
inch
(mm)
0.836
(21.2)
0.86
(22)
0.85
(22)
G-6
Visit www.GemsSensors.com for most current information.
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