Fs251 Flow Switch Manual

518 95 120100 mcdonnell.

Fs251 flow switch manual.

Mcdonnell miller 120611 fs251 general purpose flow switch w nema 1 enclosure universal design serves the widest variety of applications for starting or stopping electrically operated equipment such as signal lights alarms motors automatic burners metering devices and others. However because of space limitations the only available installation may be in a vertical section of pipe. If the flow switch will be used to actuate a signal alarm or other device when. Turn the flow switch two 2 or three 3 revolutions clockwise until tight.

32 120 f 0 49 c electrical enclosure rating fs251. Mcdonnell miller fs6 instruction manual this mcdonnell miller flow swicth is for heavy duty applications. Replacement for common flow switches from johnson penn potter taco watts hydrolevel and other. 32 250 f 0 121 c ambient temperature range t s.

Nema 4 ip 56. 120100 mcdonnell miller fs7 4e 1 1 4 flow switch. Insert the flow switch into the pipe tee. These flow switches incorporate key changes to address customer expressed needs of greater reliability and lower flow sensing capabilities in a general purpose flow switch.

Instruction manual mm 601k series fs4 3 general purpose liquid flow switch 246796 pipe flow no flow size npt maximum maximum in. Position of the flow switch installing the flow switch in a horizontal run of pipe is recommended. General purpose liquid flow switches the series fs250 fs251 nema1 version and fs254 nema4 version. Do not use liquid flow switches on systems with flow velocity greater than 10 feet 3m per second.

Do not put excessive force on cover when turning. Mcdonnell miller fs251 general purpose flow switch with nema 1 enclosure 120611 replaces fs4 3. The series fs4 3 fs8 w and fs5 may be used in this situation as they will generally operate satisfactorily when installed in a vertical pipe. Kg fs251 120611 fs251 general purpose 1 9 flow switch nema 1 0 9 fs254 120610 fs254 general purpose 1 9 flow switch nema 4 0 9 ordering information mcdonnell miller bulletin mm 626.

Features and benefits universal design serves the widest variety of applications for starting or stopping electrically operated equipment such as signal lights alarms motors automatic burners metering devices and others replacement for common flow switches from johnson penn potter taco watts hydrolevel and other manufacturers 1 npt two electrical knock outs allows connection from. Mm adjustment adjustment 2 50 69 2 50 3. Place a 1 3 8 open end wrench on the hex floats of the flow switch body to tighten to final position. Features and benefits universal design serves the widest variety of applications for starting or stoppingread more.

Nema 1 ip 21 fs254. Maximum liquid pressure 160 psi 11 3 kg cm2 liquid temperature range t l.