Selection Guide
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 Model  
FL-500
 
FL-500UP
 
FL-500WW
 
FL-6100B
 
FL-O
 
FL-W
 
FL-X
 
FL9000-AC
 
FLMG
 
FLMW
 
FPR120
 
FST-200
 
FST-200-R/FST-300-R
 
FST-300
 
FSW-20
 
FSW500
 
FSW6000/7000
 
FSW9000
 Starting Price  
£75
 
£380
 
£109
 
£222
 
£333
 
£355
 
£339
 
£108
 
£91
 
£114
 
£101
 
£107
 
£245
 
£114
 
£107
 
£40
 
£275
 
£402
 Switch Type  
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Mechanical
 
Thermal
 
Thermal
 
Thermal
 
Mechanical
 
Mechanical
 
Thermal
 
Thermal
 Min Flow Rate Air  
50 SCFM
 
 
 
20 SCFM
 
 
 
 
 
12 SCFM
 
 
 
 
60 FPM
 
60 FPM
 
 
 
9.6 FPM
 
 Max Flow Rate Air  
5000 SCFM
 
 
 
250 SCFM
 
 
 
 
 
1000 SCFM
 
 
 
 
5400 FPM
 
5400 FPM
 
 
 
2940 FPM
 
 Min Flow Rate Water  
5 GPM
 
5 GPM
 
5 GPM
 
2 GPM
 
5 GPM
 
1 GPM
 
3 GPM
 
4 GPM
 
 
1 GPM
 
0.1 GPM
 
0.05 GPM
 
0.05 GPM
 
 
3 GPM
 
0.25 GPM
 
0.22 GPM
 
0.32 GPM
 Max Flow Rate Water  
50 GPM
 
50 GPM
 
50 GPM
 
30 GPM
 
20 GPM
 
90 GPM
 
8 GPM
 
28 GPM
 
 
150 GPM
 
20 GPM
 
1000 GPM
 
1000 GPM
 
 
52 GPM
 
5 GPM
 
385 GPM
 
257 GPM
 Min Flow Rate Oil  
 
 
 
1 GPM
 
5 GPM
 
 
 
4 GPM
 
 
1 GPM
 
 
0.05 GPM
 
0.05 GPM
 
 
 
 
0.22 GPM
 
1 GPM
 Max Flow Rate Oil  
 
 
 
30 GPM
 
20 GPM
 
 
 
28 GPM
 
 
150 GPM
 
 
1000 GPM
 
1000 GPM
 
 
 
 
385 GPM
 
500 GPM
 Max Temp  
150°F(65°C)
 
150°F(65°C)
 
150°F(65°C)
 
240°F(115°C)
 
200°F(93°C)
 
200°F(93°C)
 
200°F(93°C)
 
210°F(98°C)
 
600°F(315°C)
 
600°F(315°C)
 
212°F(100°C)
 
140°F(60°C)
 
140°F(60°C)
 
140°F(60°C)
 
300°F(148°C)
 
212°F(100°C)
 
248°F(120°C)
 
248°F(120°C)
 Max Pressure (psi)  
100
 
150
 
200
 
3000
 
200
 
300
 
200
 
220
 
1000
 
6000
 
100
 
150
 
150
 
150
 
850
 
100
 
4351
 
4351
 Accuracy  
5% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
2% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
7% FULL SCALE
 
4% FULL SCALE
 
4% FULL SCALE
 
15% OF FULL SCALE
 
5% OF SETPOINT
 
5% OF SETPOINT
 
5% OF SETPOINT
 
25% OF SETPOINT
 
20% OF SETPOINT
 
10% OF SETPOINT
 
10% OF SETPOINT
 Connections  
1,1.5" FNPT
 
1,1.5" FNPT
 
1,1.5" FNPT
 
1/2", 3/4" FNPT
 
3/4" FNPT
 
3/4",1",1.5",2"FNPT
 
3/4" FNPT
 
1" MNPT AND SOLDER
 
1/4",3/8",1/2",3/4",1",1.25",1.5"FNPT
 
1/4",3/8",1/2",3/4",1",1.25",1.5"FNPT
 
1/2", 1/4"FNPT
 
3/4" NPT
 
3/4" NPT
 
3/4" NPT
 
1 1/4" NPT
 
3/4" FNPT
 
1/2", 3/4", 1", 1.5 Tri-Clamp, 2" FLG
 
1/2", 3/4", 1", 1.5 Tri-Clamp, 2" FLG
 Outputs Available  
SPDT 1/4 A
 
SPDT 1/4 A
 
SPDT 1/4 A
 
SPDT 10-15 A
 
SPDT 15 A
 
SPDT 15 A
 
SPDT 15 A
 
Triac SSR
 
SPDT 10A, 4-20mA
 
SPDT 10A, 4-20mA
 
SPDT 1 A
 
SPST 1 A
 
SPST 10 A
 
SPST 1 A
 
SPDT 0.17 A
 
SPST 0.16 A OR 5 AMP
 
SPST 5 A
 
Transistor or SPST 5A
 Special Features  
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
 
Vane and Piston Design
 
Swing Vane Design
 
Dual Scale w/LPM
 
 
 
AC/DC POWERED
 
DC POWERED
 
AC POWERED
 
DC POWERED
 
Paddle
 
Low Cost
 
AC OR DC POWERED
 
AC OR DC POWERED