Overview of Primary Product

92
Flow Switches
McDonnell & Miller
• For general purpose applications with environmental
exposure, or those requiring a water-tight, dust tight, or
a NEMA 4X rated flow switch
• 1" NPT
• Sealed Monel bellows
• Single pole, double throw snap switch
• Four stainless steel paddles included -
1", 2", 3" and 6" (25, 50, 80 and 150mm)
• Sensitivity adjusting screw makes flow adjustment easy
• Optional features
– BSPT threads
– Gold plated contacts
• Minimum temperature (fluid or ambient) 32°F (0°C)
• Maximum temperature 225°F (107°C)
• Maximum operating pressure 160 psi (11.3 kg/cm
2
)
• Replacement for NEMA 4X-style flow switches from
Potter/Taco, Watts, Penn and other manufacturers
Series FS8-W
Model FS8-WG-SL
F l ow Switches – Liquid
Series FS8-W
General Purpose Liquid Flow Switches
Dimensions, in. (mm)
A B C D E F G
NPT
3
1
⁄
4
(83) 8
3
⁄
8
(213) 2
5
⁄
16
(59) 3
7
⁄
16
(87) 1 1
3
⁄
4
(45) 3
1
⁄
4
(83)
Electrical Ratings
Motor Switch Rating (Amperes)
Voltage Full Load Locked Rotor Pilot Duty
120 VAC 7.4 44.4
125 VA at
240 VAC 3.7 22.2
120 or 240 VAC
50 or 60 cycles
(for specified models)
11. Flow Switches 86-95• 3/6/07 2:02 PM Page 92