FLOW SWITCHES Flow Switches – Liquid (continued) Series FS7-4 ® 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 F A B • 11⁄4" (32mm) NPT G C HJ DIA. HOLE FOR ELEC. CONNECTION • Brass with sealed tube construction N K D • Single pole, double throw snap switch HEX. E PADDLE FOR 1-1/4" & 1-1/2" (32 & 40mm) TEES • Magnetic switching mechanism eliminates need for bellows • Sensitivity adjusting screw makes flow adjustment easy Series FS7-4 • Paddles can be trimmed to suit application needs PADDLE FOR 2" TO 5" (50-125mm) PIPE Packed loose in carton. M L 2 3 4 5 6 FLOW SWITCHES • Optional features – Extended paddle arm – Two SPDT switches to make or break two separate circuits – Stainless steel – BSPT threads – Sprinkler service (UL & ULC listed) • Minimum temperature (fluid or ambient) 32°F (0°C) • Maximum temperature 300°F (149°C) • Maximum operating pressure 300 psi (7 kg/cm2) 1000 psi (70 kg/cm2) – Stainless Steel models Series FS7-4L Electrical Ratings Motor Switch Rating (Amperes) Full Load Locked Rotor Voltage 120 VAC 7.4 44.4 240 VAC 3.7 22.2 Pilot Duty 125 VA at 120 or 240 VAC 50 or 60 cycles Dimensions, in. (mm) A B 7 2 ⁄8 (73) C 7 1 ⁄16 (37) H 41⁄8 (105) 116 D 7 E 3 ⁄8 (22) 9 1 ⁄4 (45) 13 ⁄16 (345) F 13 5 ⁄16 (148) G 3 3 ⁄8 (86) K L M NPT N ⁄16 (24) 37⁄16 (87) 25⁄8 (67) 11⁄4 (32) 91⁄2 (241) 15 J FLOW SWITCHES Flow Rates Model Ordering Information Size NPT in. (mm) 1 1 ⁄4 (32) 11⁄2 (40) 2 (50) 21⁄2 (60) 3 (80) FS7-4 5 (125) 6 (150) 8 (200)* 10 (250)* 12 (300)* 14 (355)* 16 (405)* 20 (500)* 24 (600)* FS7-4L 30 (760)* 36 (910)* 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 4.8 7.7 (18.2) (29.1) 3 5.9 (11.4) (22.3) 6.3 10 (23.8) (37.9) 3.6 7 (13.6) (26.5) 9.9 15.8 (37.5) (59.8) 5.9 11 (22.3) (41.6) 15.3 23.7 (57.9) (89.7) 9.5 17 (36) (64.3) 24.4 (92.4) 35.5 (134.4) 15.4 (58.3) 29.2 (110.5) 33.3 (126) 61.4 (232.4) 21.1 (79.9) 37.7 (142.7) 44.4 (168.1) 84 (317.9) 31 (117.3) 51 (193) 56.3 (213.1) 114.8 (434.5) 48.7 (184.3) 71 (270.6) 104 (393.6) 210 (794.9) 89 (336.9) 131 (495.8) 184 (696.4) 369 (1397) 157 (594.2) 231 (874.3) 289 582 (1094) (2203) 247 (934.9) 363 (1374) 387 753 (1465) (2850) 323 (1223) 495 (1874) 513 998 (1942) (3777) 428 (1620) 656 (2483) 520 780 (1968) (2952) 260 (984) 693 (2623) 752 (2846) 1128 (4269) 376 (1423) 1002 (3793) 1177 (4455) 1766 (6684) 589 (2229) 1570(59842) 1723 (6522) 2584 (9870) 861 (3259) 2297 (8694) Model Part Number Number Description Weight lbs. (kg) 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 5.5 5.7 5.7 5.7 5.5 5.5 5.5 5.5 5.5 5.0 5.0 5.0 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 (2.5) (2.6) (2.6) (2.6) (2.5) (2.5) (2.5) (2.5) (2.5) (2.3) (2.3) (2.3) NOTE: DO NOT USE LIQUID FLOW SWITCHES ON SYSTEMS WITH FLOW GREATER THAN 10 FEET (3M) PER SECOND. FLOW SWITCHES 4 (100) Settings Mode of Operation Flow No Flow gpm (lpm) gpm (lpm) Values are ± 10% * Equipped with a 6" (152mm) paddle 117