120191 McDonnell & Miller FS7-4SW Flow Switch 1-1/4" NPT

Flow Switches – Liquid

Series FS7-4W
Industrial Liquid Flow Switches

Features and Benefits

• For applications requiring a water-tight, dust-tight or a NEMA 4X rated flow switch 1 1⁄4″ 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
  • Stainless steel body and paddles
  • BSPT threads
• Minimum temperature (fluid or ambient) -65°F (-54°C)
• Maximum temperature 300°F (149°C)
• Maximum operating pressure
  • 300 psi (21 kg/cm2)
  • 1000 psi (70 kg/cm2) – Stainless Steel models