Product Overview
104
Flow Switches
McDonnell & Miller
• For applications requiring a water-tight, dust-tight, or a
NEMA 4X rated flow switch
Model FS6-W
High Sensitivity Liquid Flow Switches
Model FS6-W
• For heavy duty applications where high sensitivity is
required, such as water treatment systems, cooling
systems for electronic circuits, compressors, booster
pumps, and bearings, and other applications that need
instant switching
• In-line configuration eliminates need for a pipe tee
• Very high flow capacity
• Actuates at extremely low flow rate
• Sizes available
–
3
⁄
4
" NPT
– 1" NPT
• Single pole, double throw snap switch
• Switch compartment is completely sealed to protect it
from the liquid
• Sensitivity adjusting screw makes flow adjustment easy
• Optional feature
– BSPT threads
• Minimum temperature (fluid or ambient) 32°F (0°C)
• Maximum temperature 225°F (107°C)
• Maximum operating pressure 100 psi (7 kg/cm
2
)
Series FS6
F l ow Switches – Liquid
Series FS6
High Sensitivity Liquid Flow Switches
Dimensions, in. (mm)
A B C D E F G
NPT
3
1
⁄
2
(89) 3
23
⁄
32
(94.4) 3
3
⁄
8
(86)
3
⁄
4
or 1
7
⁄
8
(22) 3
3
⁄
4
(95) 2 (51)
Dimensions, in. (mm)
A B C D E F G H
NPT
5 (127) 5
3
⁄
4
(146) 2 (51) 1
5
⁄
8
(41)
29
⁄
32
(23) 1
13
⁄
16
(46)
3
⁄
4
or 1 3
3
⁄
8
( 8 6 )
(for specified models)
13. Flow Switches 104-113• 3/6/07 2:07 PM Page 104


