Mcdonnell & Miller FS7-4E, 1-1/4" 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 1-1/4" 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 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