Liquid Flow

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