FS7-4 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Flow Switches - Liquid

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
• 1¹â„4" (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)
• 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 FS7-4
A
F
B
G
C
DIA. HOLE
FOR ELEC.
CONNECTION
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.
HJ
K
E
2
L
3
4
5
6
N
M
Series FS7-4L
Electrical Ratings
Motor Switch Rating (Amperes)
Voltage Full Load Locked Rotor
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
2⁷⁄8 (73)
B
1⁷⁄16 (37)
H
J
4¹â„8 (105)
⁄15
16
(24)
C
7_{⁄8 (22)}
D
1³â„4 (45)
E
13⁹⁄16 (345)
F
5¹³â„16 (148)
K
3⁷⁄16 (87)
L
2⁵⁄8 (67)
M
NPT
1¹â„4 (32)
G
3³â„8 (86)
N
9¹â„2 (241)
116