McDonnell & Miller FS7-4E

FS7-4E, 1-¼” Flow Switch w/ NEMA 7 \& 9 enclosure

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

• 1-¼” 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
• Minimum temperature (fluid or ambient) 32 Deg. F (0 Deg C)
• Maximum temperature 300 Deg. F (149 Deg. C)
• Maximum operating pressure 300 psi (21 kg/cm2)
• 1000 psi (70 kg/cm2) - Stainless Steel models

Optional Features

• Extended paddle arm
• Stainless steel body and paddles
• BSPT threads