120186 Model FS7-4SEJ McDonnell Miller Flow Switch

FLOW SWITCH 1-1/4 BST 120186

FLOW SWITCH 1-1/4 BST 120186

Features and Benefits

Universal design serves the widest variety of large pipe applications, including heating and hydronic systems, air conditioning, refrigeration and process work
11⁄4″ NPT
Brass with sealed tube construction
Single pole, double throw snap switch
Magnetic switching mechanism eliminates need for bellows
Sensitivity adjusting screw makes flow adjustment easy
Paddles can be trimmed to suit application needs
Optional features
- Extended paddle arm – Model FS7-4L
- Two SPDT switches to make or break two separate circuits
- Stainless steel body and paddles
- BSPT threads
Minimum temperature (fluid or ambient) 32°F (0°C)
Maximum temperature 300°F (149°C)
Maximum operating pressure
- 300 psi (21 kg/cm2)
- 1000 psi (70 kg/cm2) – Stainless Steel models