Dwyer Instruments SERIES G9 Catalog Page
Series
1/2 NPT
3/4 NPT
1-3/8
[34.92]
1-3/8
[34.92]
1-7/16 HEX
[36.51]
3-27/32
[97.63]
G9
Globe Flow Switch
Adjustable Set Point, Water or Oil Service, 90° Flow Path
The Series G9 Globe Flow Switch provides accurate flow detection in water and
il with ±1% repeatability. A shuttle by-pass vane inside the housing is controlled
o
xternally using an ordinary flat blade screwdriver, allowing flow settings to be
e
hanged without disassembly. Each switch is constructed of non-corrosive materials
c
and resists shock and vibration. The Series G9 is suitable for triggering alarms on
interlocking shutdown circuitry when flow rate is incorrect and for protecting bearings,
gears, and cooling systems.
Actuation Set Point
FLOW
odel
M
G9-21
G9-22
G9-23
Range GPM (LPM)
0.75 - 4.0 (2.8 - 15.1)
2.0 - 8.0 (7.6 - 30.3)
7.0 - 14.0 (26.5 - 53.0)
SPECIFICATIONS
ervice: Compatible liquids.
S
etted Materials: Housing: Bronze;
W
huttle: Acetal; Spring: 316 SS; O-ring:
S
Fluoroelastomer; Other: Ceramic.
Temperature Limits: -20 to 180°F (-29
to 82°C).
Pressure Limits: 400 psi (27 bar) @
00°F (37.8°C).
1
ccuracy: ±10% of set point.
A
epeatability: ±1% maximum
R
deviation.
Switch Type: SPDT.
USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Electrical Rating:
08A @ 240 VAC, .13A @ 120 VDC, .06A
.
240 VDC.
@
lectrical Connections: 18 AWG, 24˝
E
(61 cm), polymeric lead wires.
Process Connection: 3/4˝ female
NPT.
Mounting Orientation: Any position.
et points shown are based on vertical,
S
ead wires up position.
l
equired Filtration: 150 microns or
R
better.
Weight: 1 lb, 11 oz (0.76 kg).
Agency Approvals: CE.
.17A @ 120 VAC,
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