117
F
LOW
S
WIT CHE S
Ordering Information
Model
Part
Number Number Description
Weight
lbs. (kg)
FS7-4
FS7-4D
FS7-4DF
FS7-4DS
FS7-4F
FS7-4F CAN 119801
FS7-4J
FS7-4L
FS7-4LJ
FS7-4S
FS7-4SJ
FS7-DSJ
119700
119750
119825
119760
119800
Industrial flow switch
FS7-4 w/2 SPDT switches
FS7-4D for sprinkler service (UL listed)
FS7-4D w/Stainless steel
FS7-4 for sprinkler service (UL listed)
FS7-4F ULC listed
FS7-4 w/ BSPTthreads
FS7-4 w/extended paddle arm
FS7-4L w/BSPT threads
FS7-4 w/Stainless steel
FS7-4S w/BSPT threads
FS7-4S w/2 SPDT switches & BSPT threads 5.0 (2.3)
5.5 (2.5)
5.7 (2.6)
5.7 (2.6)
5.7 (2.6)
5.5 (2.5)
5.5 (2.5)
5.5 (2.5)
5.5 (2.5)
5.5 (2.5)
5.0 (2.3)
5.0 (2.3)
120060
119900
119980
120160
120171
120174
Flow Rates
Mode of Operation
Flow
gpm (lpm)
Size NPT
in. (mm)
No Flow
gpm (lpm)
Model
Settings
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
Factory or
Minimum
Factory or
Minimum
Maximum
Factory or
Minimum
Maximum
1
1
4
(32)
4.8
7.7
(18.2)
(29.1)
3
5.9
(11.4)
(22.3)
1
1
2
(40)
6.3
10
(23.8)
(37.9)
3.6
7
(13.6)
(26.5)
2
(50)
9.9
15.8
(37.5)
(59.8)
5.9
11
(22.3)
(41.6)
2
1
2
(60)
15.3
23.7
(57.9)
(89.7)
9.5
17
(36)
(64.3)
3
(80)
24.4
35.5 (134.4)
(92.4)
15.4 (58.3)
29.2 (110.5)
4 (100)
33.3
61.4 (232.4)
(126)
21.1 (79.9)
37.7 (142.7)
FS7-4
5 (125)
44.4 (168.1)
84
(317.9)
31
51
(117.3)
(193)
6 (150)
56.3 (213.1)
114.8(434.5)
48.7 (184.3)
71
(270.6)
8 (200)
*
104 (393.6)
210 (794.9)
89
131 (495.8)
(336.9)
10 (250)
*
184 (696.4)
369
157 (594.2)
231 (874.3)
(1397)
12 (300)
*
289
582
(1094)
(2203)
247 (934.9)
363 (1374)
14 (355)
*
387
753
(1465)
(2850)
323 (1223)
495 (1874)
16 (405)
*
513
998
(1942)
(3777)
428 (1620)
656 (2483)
20 (500)
*
520
780
(1968)
(2952)
260
693 (2623)
(984)
24 (600)
*
752
1128 (4269)
(2846)
376 (1423)
1002 (3793)
FS7-4L
30 (760)
*
1177 (4455)
1766 (6684)
589 (2229)
1570(59842)
36 (910)
*
1723 (6522)
2584 (9870)
861 (3259)
2297 (8694)
Values are ± 10%
*
Equipped with a 6" (152mm) paddle
F
L
W
NOTE: DO NOT USE LIQUID FLOW SWITCHES
ON SYSTEMS WITH FLOW GREATER
THAN 10 FEET (3M) PER SECOND.