Product Overview

91
Ordering Information
Values are ± 10%
See page 132 for CE Conformance information
Model Part Weight
Number Number Description lbs. (kg)
FS4-3 114400 General purpose flow switch 1.9 (0.9)
FS4-3J 114610 FS4-3 w/BSPT connections 1.9 (0.9)
FS4-3-RPT 114639 FS4-3 w/test button 1.9 (0.9)
FS4-3Z 114410 FS4-3 w/ANSI terminal connections 1.9 (0.86)
FS4-3D 114550 FS4-3 w/2 SPDT switches 2.3 (1.0)
FS4-3S 114641 FS4-3 w/SS body, monel bellows 1.9 (0.9)
FS4-3SJ 176216 FS4-3S w/BSPT connections 1.9 (0.9)
FS4-3DS 114642 FS4-3S w/2 SPDT switches 3.3 (1.5)
FS4-3J-E 114611 FS4-3J-CE conformance rated 1.9 (0.9)
FS4-3D-E 114552 FS4-3D-CE conformance rated 1.9 (0.9)
FS4-3S-E 114646 FS4-3S-CE conformance rated 1.9 (0.9)
Flow Rates
Pipe Mode of Operation
Size NPT Flow No Flow
in. Settings gpm (lpm) gpm (lpm)
Factory or
1
Minimum
6 (22.7) 3.6 (13.6) 27
Maximum 10.2 (38.6) 9.2 (34.8) ( 102.2)
Factory or
1
1
⁄4 Minimum 9.8 (37.1) 5.6 (21.2) 47
Maximum 16.8 (63.6) 15 (56.8) (177.9)
Factory or
1
1
⁄2 Minimum 12.7 (48.1) 7 (26.5) 63
Maximum 23 (87.1) 19.5 (73.8) (238.5)
Factory or
2 Minimum 18.8 (71.2) 9.4 (35.6) 105
Maximum 32.8 (124.1) 24 (90.8) ( 397.4)
Factory or
2
1
⁄2
Minimum 24.3 (92) 11.6 (43.9) 149
Maximum 42.4 (160.5) 37.5 (141.9) (564)
Factory or
3 Minimum 30 (113.6) 12 (45.4) 230
Maximum 52.1 (197.2) 46.1 (174.5) (870.6)
Factory or
4 Minimum 39.7 (150.3) 19.8 (74.9) 397
Maximum 73.5 (278.2) 64.2 (242) (1502.7)
Factory or
5 Minimum 58.7 (222.2) 29.3 (110.9) 654
Maximum 115 (435.3) 92 (348.2) (2415.4)
Factory or
6 Minimum 79.2 (300) 39.6 (150) 900
Maximum 166 (628.3) 123 (465.6) (3406.5)
Series FS4-3 (continued)
General Purpose Liquid Flow Switches
NOTE: DO NOT USE LIQUID FLOW SWITCHES
ON SYSTEMS WITH FLOW GREATER
THAN 10 FEET (3M) PER SECOND.
Flow Switches – Liquid
Max. Flow
Rate gpm
(lpm) w/o
Paddle
Damage
Flow Switches
Flow Switches
McDonnell & Miller