McDonnell & Miller Series FS7-4W Industrial Liquid Flow Switches
• For applications requiring a water-tight, dust-tight or a NEMA 4X rated flow switch
• 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
– 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
