Flow rates – Xylem MM 601H Series FS4-3 General Purpose Liquid Flow Switch User Manual
Page 3
FLOW RATES
Settings will vary when used to sense flow of other
fluids or if located in a vertical pipe.
3
NOTE: DO NOT USE LIQUID FLOW SWITCHES
ON SYSTEMS WITH FLOW VELOCITY
GREATER THAN 10 FEET PER SECOND
(3 METERS PER SECOND).
Values are ± 10%
Pipe
Mode of Operation
Size NPT
Flow
No Flow
in. (mm)
Settings
gpm (lpm)
gpm (lpm)
Factory or
1 (25)
Minimum
6
(22.7)
3.6
(13.6)
27
Maximum
10.2
(38.6)
9.2
(34.8)
(102)
Factory or
1
1
⁄
4
(32)
Minimum
9.8
(37.1)
5.6
(21.2)
47
Maximum
16.8
(63.6)
15
(56.8)
(178)
Factory or
1
1
⁄
2
(40)
Minimum
12.7
(48.1)
7
(26.5)
63
Maximum
23
(87.1)
19.5 (73.8)
(239)
Factory or
2 (50)
Minimum
18.8
(71.2)
9.4
(35.6)
105
Maximum
32.8 (124.1)
24
(90.8)
(398)
Factory or
2
1
⁄
2
(65)
Minimum
24.3
(92)
11.6 (43.9)
149
Maximum
42.4 (160.5)
37.5 (141.9)
(565)
Factory or
3 (80)
Minimum
30
(113.6)
12
(45.4)
230
Maximum
52.1 (197.2)
46.1 (174.5)
(872)
Factory or
4 (100)
Minimum
39.7 (150.3)
19.8 (74.9)
397
Maximum
73.5 (278.2)
64.2
(242)
(1505)
Factory or
5 (125)
Minimum
58.7 (222.2)
29.3 (110.9)
654
Maximum
115 (435.3)
92
(348.2)
(2479)
Factory or
6 (150)
Minimum
79.2
(300)
39.6
(150)
900
Maximum
166 (628.3)
123 (465.6)
(3411)
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.