120150 McDonnell & Miller FS7-4EL Flow Switch 1-1/4" NPT

Flow Switches – Liquid

Series FS7-4E
Industrial Liquid Flow Switche

Features and Benefits

• For hazardous environment applications requiring a NEMA 7 (Class I, Group C or D) or NEMA 9 Class II, Group E, F, or G) rated flow switch
• 1-1/4" NPT
• Brass with sealed tube construction
• Single pole, double throw snap switch
• Magnetic switching mechanism
• 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) 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