Product Overview

95
Ordering Information
Model Part Weight
Number Number Description lbs. (kg)
FS7-4 119700 Industrial flow switch 5.5 (2.5)
FS7-4D 119750 FS7-4 w/2 SPDT switches 5.5 (2.5)
FS7-4S 120160 FS7-4 w/SS body 5.0 (2.3)
FS7-4DS 119760 FS7-4S w/2 SPDT switches 5.0 (2.3)
FS7-4J 120060 FS7-4 w/ BSPT connections 5.5 (2.5)
FS7-4SJ 120171 FS7-4J w/SS body 5.0 (2.3)
FS7-4SDJ 120174 FS7-4SJ w/2 SPDT switches 5.0 (2.3)
FS7-4L 119900 FS7-4 w/extended paddle and paddle arm 5.5 (2.5)
FS7-4LJ 119980 FS7-4L w/ BSPT connections 5.7 (2.6)
FS7-4J-E 120061 FS7-4J - CE conformance rated 5.5 (2.5)
FS7-4SJ-E 120172 FS7-4SJ- CE conformance rated 5.0 (2.3)
Flow Rates
Mode of Operation
Size NPT Flow No Flow
Model in. Settings gpm (lpm) gpm (lpm)
Factory or
1
1
⁄
4
Minimum 4.8 (18.2) 3 (11.4) 47
Maximum 7.7 (29.1) 5.9 (22.3) (177.9)
Factory or
1
1
⁄
2
Minimum 6.3 (23.8) 3.6 (13.6) 63
Maximum 10 (37.9) 7 (26.5
(238.5)
Factory or
2 Minimum 9.9 (37.5) 5.9 (22.3) 105
Maximum 15.8 (59.8) 11 (41.6)
(397.4)
Factory or
2
1
⁄2
Minimum 15.3 (57.9) 9.5 (36) 149
Maximum 23.7 (89.7) 17 (64.3)
(564)
Factory or
3 Minimum 24.4 (92.4) 15.4 (58.3) 230
Maximum 35.5(134.4) 29.2(110.5)
(870.6)
Factory or
4 Minimum 33.3 (126) 21.1 (79.9) 397
Maximum 61.4(232.4) 37.7(142.7)
(1502.7)
Factory or
FS7-4 5 Minimum 44.4(168.1) 31 (117.3) 654
Maximum 84 (317.9) 51 (193)
(2475.4)
Factory or
6 Minimum 56.3(213.1) 48.7(184.3) 900
Maximum 114.8(434.5) 71 (270.6)
(3406.5)
Factory or
8 Minimum 104(393.6) 89 (336.9) 1,500
Maximum 210(794.9) 131(495.8)
(5677.5)
Factory or
10 Minimum 184(696.4) 157(594.2) 2,500
Maximum 369 (1397) 231(874.3)
(9462.5)
Factory or
12 Minimum 289 (1094) 247(934.9) 3,500
Maximum 582 (2203) 363 (1374)
(13,247.5)
Factory or
14 Minimum 387 (1465) 323 (1223) 4,000
Maximum 753 (2850) 495 (1874)
(15,140)
Factory or
16 Minimum 513 (1942) 428 (1620) 5,000
Maximum 998 (3777) 656 (2483)
(18,925)
Factory or
20 Minimum 520 (1968) 260 (984) 8,000
Maximum 780 (2952) 693 (2623)
(30,280)
Factory or
24 Minimum 752 (2846) 376 (1423) 12,000
FS7-4L Maximum 1128(4269) 1002(3793)
(45,420)
Factory or
30 Minimum 1177(4455) 589 (2229) 20,200
Maximum 1766(6684) 1570(5950)
(76,457)
Factory or
36 Minimum 1723(6522) 861 (3259) 28,270
Maximum 2584(9870) 2297(8694)
(107,002)
Values are ± 10%
NOTE: DO NOT USE LIQUID FLOW SWITCHES
ON SYSTEMS WITH FLOW GREATER
THAN 10 FEET (3M) PER SECOND.
Max. Flow
Rate gpm
(lpm) w/o
Paddle
Damage
See page 132 for CE Conformance information
Flow Switches
McDonnell & Miller
Flow Switches