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FLOW SWITCHES Flow Switches - Liquid (continued)
Series FS7-4
(R)
Industrial Liquid Flow Switches
* Universal design serves the widest variety of large pipe applications, including heating and hydronic systems, air conditioning, refrigeration and process work * 114" (32mm) NPT * Brass with sealed tube construction * Single pole, double throw snap switch * Magnetic switching mechanism eliminates need for bellows * Sensitivity adjusting screw makes flow adjustment easy * Paddles can be trimmed to suit application needs * Optional features - Extended paddle arm - Two SPDT switches to make or break two separate circuits - Stainless steel - BSPT threads - Sprinkler service (UL & ULC listed)
FLOW SWITCHES
Series FS7-4
C
DIA. HOLE FOR ELEC. CONNECTION
A B HJ
F G
N D
HEX. PADDLE FOR 1-1/4" & 1-1/2" (32 & 40mm) TEES PADDLE FOR 2" TO 5" (50-125mm) PIPE Packed loose in carton.
K E M
2 3 4 5 6
L
* Minimum temperature (fluid or ambient) 32F (0C) * Maximum temperature 300F (149C) * Maximum operating pressure 300 psi (7 kg/cm2) 1000 psi (70 kg/cm2) - Stainless Steel models
Series FS7-4L
Electrical Ratings
Voltage 120 VAC 240 VAC Motor Switch Rating (Amperes) Full Load Locked Rotor 7.4 3.7 44.4 22.2 Pilot Duty 125 VA at 120 or 240 VAC 50 or 60 cycles
Dimensions, in. (mm)
A 2 8 (73) H 418 (105)
15 7 7
B 1 16 (37) J
7
C
D 1 4 (45) K 3716 (87) L 258 (67)
3 9
E 13 16 (345)
13
F 5 16 (148) M NPT 114 (32)
3
G 3 8 (86) N 912 (241)
8 (22)
16 (24)
116
FLOW SWITCHES
Flow Rates
Size NPT in. (mm)
1
1
Ordering Information
Mode of Operation Flow No Flow gpm (lpm) gpm (lpm)
4.8 7.7 6.3 10 9.9 15.8 15.3 23.7 (18.2) (29.1) (23.8) (37.9) (37.5) (59.8) (57.9) (89.7) 3 5.9 3.6 7 5.9 11 9.5 17 (11.4) (22.3) (13.6) (26.5) (22.3) (41.6) (36) (64.3)
Model Part Number Number Description
FS7-4 FS7-4D FS7-4DF FS7-4DS FS7-4F FS7-4F CAN FS7-4J FS7-4L FS7-4LJ FS7-4S FS7-4SJ FS7-DSJ 119700 119750 119825 119760 119800 119801 120060 119900 119980 120160 120171 120174 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/ BSPT threads 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
Weight lbs. (kg)
5.5 5.7 5.7 5.7 5.5 5.5 5.5 5.5 5.5 5.0 5.0 5.0 (2.5) (2.6) (2.6) (2.6) (2.5) (2.5) (2.5) (2.5) (2.5) (2.3) (2.3) (2.3)
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 Maximum Factory or Minimum Maximum Factory or Minimum Maximum
4 (32)
112 (40)
2
(50)
212 (60)
3
(80)
24.4 (92.4) 35.5 (134.4) 33.3 (126) 61.4 (232.4) 44.4 (168.1) 84 (317.9) 56.3 (213.1) 114.8 (434.5) 104 (393.6) 210 (794.9) 184 (696.4) 369 (1397) 289 582 387 753 513 998 520 780 (1094) (2203) (1465) (2850) (1942) (3777) (1968) (2952)
15.4 (58.3) 29.2 (110.5) 21.1 (79.9) 37.7 (142.7) 31 (117.3) 51 (193) 48.7 (184.3) 71 (270.6) 89 (336.9) 131 (495.8) 157 (594.2) 231 (874.3) 247 (934.9) 363 (1374) 323 (1223) 495 (1874) 428 (1620) 656 (2483) 260 (984) 693 (2623) 376 (1423) 1002 (3793) 589 (2229) 1570(59842) 861 (3259) 2297 (8694)
4 (100)
NOTE: DO NOT USE LIQUID FLOW SWITCHES ON SYSTEMS WITH FLOW GREATER THAN 10 FEET (3M) PER SECOND.
FLOW SWITCHES
FS7-4
5 (125)
6 (150)
8 (200)*
10 (250)*
12 (300)*
14 (355)*
16 (405)*
20 (500)*
24 (600)* FS7-4L 30 (760)*
752 (2846) 1128 (4269) 1177 (4455) 1766 (6684) 1723 (6522) 2584 (9870)
36 (910)*
Values are 10% * Equipped with a 6" (152mm) paddle
117

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