FLOW RATES
Settings will vary when used to sense flow of other
fluids.
3
NOTE: DO NOT USE LIQUID FLOW SWITCHES ON SYSTEMS
WITH FLOW VELOCITY GREATER THAN 10 FEET (3M)
PER SECOND.
Values are ± 10%
Flow Rates
Pipe
Mode of Operation
Model
Size NPT
Flow
No Flow
Number
in. (mm)
Settings
gpm (lpm)
gpm (lpm)
Factory or
FS4-3T1-
3
⁄
4
3
⁄
4
(20)
Minimum
4.4
(16.7)
2.6
(9.8)
Maximum
10.5 (39.7)
9.8 (37.1)
Factory or
FS4-3T2-
3
⁄
4
3
⁄
4
(20)
Minimum
3.7
(14)
2.2
(8.3)
16.62
Maximum
8.9
(33.7)
8.3 (31.4)
(63)
Factory or
FS4-3T3-
3
⁄
4
3
⁄
4
(20)
Minimum
2
(7.6)
1.2
(4.5)
Maximum
4.5
(17)
4.1 (15.5)
Factory or
FS4-3T1-1
1
(25)
Minimum
5
(18.9)
3.2 (12.1)
Maximum
11.5 (43.5)
11 (41.6)
Factory or
FS4-3T2-1
1
(25)
Minimum
4.8
(18.1)
2.9
(11)
27
Maximum
10.1 (38.2)
9.4 (35.6)
(102)
Factory or
FS4-3T3-1
1
(25)
Minimum
2
(7.6)
1.2
(4.5)
Maximum
4.5
(17)
4.1 (15.5)
Max. Flow
Rate gpm
(lpm) w/o
Paddle Damage
calculated using clean water in a horizontal pipe.
Flow rates required to activate the flow switch
are shown in chart below.These values were
NOTE: THIS PRODUCT IS NOT INTENDED FOR USE IN
POTABLE WATER APPLICATIONS.
