Selection Guide
SpringPistonFlowmeters  
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 Model  
FL-2100A AND FL-2300A
 
FL-500
 
FL-500UP
 
FL-500WW
 
FL-6100A AND FL-6300A
 
FL-6100B
 
FL-6400A
 
FL-8100A AND FL-8300A
 
FL-9000
 
FL-O
 
FL-W
 
FL-X
 
FL2700A
 
FL2900A
 
FL7100A AND FL-7300A
 
FL9000-AC
 
FLMG
 
FLMW
 
FLR5000D, FLR6000D, FLR7000D,FLR8000
(Models for Water)
 
FLR6000D, FLR7000D,FLR8000
(Models for Air)
 
FLR6000D, FLR7000D,FLR8000
(Models for Oil)
 Starting Price  
£99
 
£75
 
£380
 
£109
 
£107
 
£222
 
£369
 
£398
 
£28
 
£333
 
£355
 
£339
 
£102
 
£99
 
£155
 
£108
 
£91
 
£114
 
£424
 
£401
 
£401
 Min Flow Rate Air  
 
50 SCFM
 
 
 
 
20 SCFM
 
 
 
 
 
 
 
5 SCFM
 
5 SCFM
 
 
 
12 SCFM
 
 
 
25 SCFM
 
 Max Flow Rate Air  
 
5000 SCFM
 
 
 
 
250 SCFM
 
 
 
 
 
 
 
1000 SCFM
 
1000 SCFM
 
 
 
1000 SCFM
 
 
 
1000 SCFM
 
 Min Flow Rate Water  
0.5 GPM
 
5 GPM
 
5 GPM
 
5 GPM
 
2 GPM
 
2 GPM
 
2 GPM
 
30 GPM
 
4 GPM
 
5 GPM
 
1 GPM
 
3 GPM
 
 
 
2 GPM
 
4 GPM
 
 
1 GPM
 
1 GPM
 
 
 Max Flow Rate Water  
2 GPM
 
50 GPM
 
50 GPM
 
50 GPM
 
15 GPM
 
30 GPM
 
15 GPM
 
150 GPM
 
28 GPM
 
20 GPM
 
90 GPM
 
8 GPM
 
 
 
30 GPM
 
28 GPM
 
 
150 GPM
 
150 GPM
 
 
 Min Flow Rate Oil  
0.5 GPM
 
 
 
 
2 GPM
 
1 GPM
 
 
30 GPM
 
4 GPM
 
5 GPM
 
 
 
 
 
2 GPM
 
4 GPM
 
 
1 GPM
 
 
 
1 GPM
 Max Flow Rate Oil  
2 GPM
 
 
 
 
15 GPM
 
30 GPM
 
 
150 GPM
 
28 GPM
 
20 GPM
 
 
 
 
 
30 GPM
 
28 GPM
 
 
150 GPM
 
 
 
150 GPM
 Max Temp  
400°F(204°C)
 
150°F(65°C)
 
150°F(65°C)
 
150°F(65°C)
 
400°F(204°C)
 
240°F(115°C)
 
400°F(204°C)
 
400°F(204°C)
 
210°F(98°C)
 
200°F(93°C)
 
200°F(93°C)
 
200°F(93°C)
 
240°F(115°C)
 
240°F(115°C)
 
400°F(204°C)
 
210°F(98°C)
 
600°F(315°C)
 
600°F(315°C)
 
240°F(115°C)
 
240°F(115°C)
 
240°F(115°C)
 Max Pressure (psi)  
3500
 
100
 
150
 
200
 
3500
 
3000
 
6000
 
3500
 
220
 
200
 
300
 
200
 
1000
 
1000
 
3500
 
220
 
1000
 
6000
 
5000
 
1000
 
3500
 Accuracy  
2% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
7% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
5% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
7% FULL SCALE
 
4% FULL SCALE
 
4% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 
2% FULL SCALE
 Connections  
1/4" FNPT
 
1,1.5" FNPT
 
1,1.5" FNPT
 
1,1.5" FNPT
 
1/2" FNPT
 
1/2", 3/4" FNPT
 
1/2" FNPT
 
1.25" FNPT
 
1" MNPT AND SOLDER
 
3/4" FNPT
 
3/4",1",1.5",2"FNPT
 
3/4" FNPT
 
1/4", 1/2", 3/4", 1.25" FNPT
 
1/4", 1/2", 3/4", 1.25" FNPT
 
3/4" FNPT
 
1" MNPT AND Brass Sweat Fitting
 
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",3/4",1"1.25"FNPT
 
1/2",3/4",1"1.25"FNPT
 
1/2",3/4",1"1.25"FNPT
 Outputs Available  
 
Relay Switch
 
Relay Switch
 
Relay Switch
 
 
SPDT 10-15 A
 
 
 
 
Relay SPDT 15 A
 
Relay SPDT 15 A
 
Relay SPDT 15 A
 
 
 
 
Triac Solid State Relay
 
Relay, 4-20mA
 
Relay, 4-20mA
 
4-20mA,0-5Vdc
 
4-20mA,0-5Vdc
 
4-20mA,0-5Vdc
 Special Features  
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
Lube/Coolant Flow Monitor
 
Vane and Piston Design
 
Swing Vane Design
 
Dual Scale w/LPM
 
Multi Pressure Flow Scale
 
Dual Scale w/LPM
 
Dual Scale w/LPM
 
High Temp Option
 
High Temp Option
 
Digital Display
 
Digital Display
 
Digital Display