McDonnell Miller Series FS6

For heavy duty applications where high sensitivity is required, such as water treatment systems, cooling systems for electronic circuits, compressors, booster pumps, and bearings and other applications that need instant switching.  Very high flow capacity. Actuates at extremely low flow rate.  
Minimum temperature 32°F
Maximum temperature 225°F
Maximum operating pressure 100 psi

Ordering Information
Model Number Part Number Description Weight lbs. Buy Now
FS6-3/4
FS6-J-3/4
FS6-1
FS6-J-1
FS6-W-3/4
FS6-WJ-3/4
FS6-W-1
FS6-WJ-1
FS6-J-3/4-E
FS6-J-1-E
FS6-WJ-3/4-E
FS6-WJ-1-E
115400
115550
115600
115650
115651
115653
115652
115654
115551
115655
115656
115657
High sensitivity flow switch 3/4" NPT body
FS6-3/4 w/ BSPT pipe threads
High sensitivity flow switch 1" NPT body
FS6-1 w/ SBSPT pipe threads
FS6-3/4 w/ NEMA 4x enclosure
FS6-W- 3/4 w/ BSPT connections
FS6-1 w/ NEMA 4x enclosure
FS6-W-1 w/ BSPT connections
FS6-J-3/4 -CE conformance
FS6-J-1-CE conformance
FS6-WJ-3/4 CE conformance rated
FS6-WJ-1 CE conformance
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
$316.83
$Call
$316.83
$Call
$350.16
$Call
$350.16
$Call
$Call
$Call
$Call
$Call

NOTE: Do not use liquid flow switches on systems with flow greater than 10 feet per second

Dimensions
A B C D E F G
3 1/2 3 23/32 3 3/8 3/4 or 1 7/8 3 3/4 2
Model FS6-w
A B C D E F G H
5 5 3/4 2 1 5/8 29/32 1 13/16 3/4 or 1 3 3/8
Electrical Ratings
Motor Switching Rating  
Voltage Full Load Locked Rotor Pilot Duty
120 VAC 7.4 44.4 125 VA at 120 or 240 VAC
240 VAC 3.7 22.2  
Flow Rates
  Mode of Operation  
Size NPT in. Settings Flow gpm No Flow gpm Max. Flow Rate gpm w/o paddle damage
3/4 or 1 Factory or minimum 0.12 0.06 16.62
Maximum 2.5 1.5

Values are +- 10%

FS6

FS6-W



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