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Variable Area Flow Meters

44 Products
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OMEGA's FL-6400A in-line flowmeters are designed for use with many caustic or corrosive fluids. These meters feature SS construction and can be mounted in any position.

Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-6402A-316
$1,084.35
Available
in 6 weeks
Meter
Water
0.2 to 2 GPM
±2%
NPT Female
1/2"
316 SS, Polyphenylene Sulfied, Ceramic
6000 psi
116 °C (240 °F)
Direct Read
No
Dual Scale GPM/LPM
FL-6404A-316
$1,084.35
Available
in 6 weeks
Meter
Water
0.5 to 5 GPM
±2%
NPT Female
1/2"
316 SS, Polyphenylene Sulfied, Ceramic
6000 psi
116 °C (240 °F)
Direct Read
No
Dual Scale GPM/LPM
FL-6412A-316
$1,084.35
Available
in 6 weeks
Meter
Water
1 to 10 GPM
±2%
NPT Female
1/2"
316 SS, Polyphenylene Sulfied, Ceramic
6000 psi
116 °C (240 °F)
Direct Read
No
Dual Scale GPM/LPM
FL-6416A-316
$1,084.35
Available
in 6 weeks
Meter
Water
1.5 to 15 GPM
±2%
NPT Female
1/2"
316 SS, Polyphenylene Sulfied, Ceramic
6000 psi
116 °C (240 °F)
Direct Read
No
Dual Scale GPM/LPM
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The Mini-Master flowmeters are suitable for both gas and liquid applications with advanced features at a low cost.

Product Number Media Type Accuracy Max Operating Pressure Max Process Temperature Process Connection Type Process Connection Size Wetted Materials Gas Flow Range Liquid Flow Range Scale Valve Included Scale Length
MMA-2-LV
$47.50
Available
in 3 weeks
Compatible gases and liquids
±4% FS
100 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp
130°F (54°C)
male NPT
5/16"
Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide
0.2-1.2 SCFH AIR
None
1-10 SCFH AIR
No
3" (76.2 mm)
MMA-3-LV
$47.50
Available
in 3 weeks
Compatible gases and liquids
±4% FS
101 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp
130°F (54°C)
male NPT
5/16"
Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide
0.5-2.5 SCFH AIR
None
2-20 SCFH AIR
No
3" (76.2 mm)
MMA-4-LV
$47.50
Available
in 3 weeks
Compatible gases and liquids
±4% FS
102 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp
130°F (54°C)
male NPT
5/16"
Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide
0.5-5 SCFH AIR
None
5-50 SCFH AIR
No
3" (76.2 mm)
MMA-5-LV
$47.50
Available
in 3 weeks
Compatible gases and liquids
±4% FS
103 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp
130°F (54°C)
male NPT
5/16"
Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide
1-10 SCFH AIR
None
10-100 SCFH AIR
No
3" (76.2 mm)
MMA-6-LV
$47.50
Available
in 3 weeks
Compatible gases and liquids
±4% FS
104 psi (6.9 bar) with compression fitting. 50 psi (3.4 bar) with tubing clamp
130°F (54°C)
male NPT
5/16"
Body Nylon 12 O-rings Buna-N (optional materials available) Float Black glass, K monel, stainless steel, tungsten carbide
2-20 SCFH AIR
None
20-200 SCFH AIR
No
3" (76.2 mm)
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In-Line Flow Monitors are ideal for direct measurement for a range of compatible gases, oil, or water based liquids. Applications include pulp and paper and heating loop flow.

Product Number Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Scale Valve Included
HFA-1-22
$419.00
Available
in 4 weeks
Air or Non Corrosive Gases
2-22 SCFM
non applicable
±2%
NPT Female
1/4"
Aluminum, Brass, 303 SS casing
3500 psi
Direct Read
No
HFB-2-05
$527.00
Available
in 4 weeks
Water
Not Applicable
0.5 to 5 GPM
±2%
NPT Female
1/2"
Aluminum, Brass, 303 SS casing
3500 psi
Direct Read
No
HFB-3-15
$825.00
Available
in 5 weeks
Water
Not Applicable
2 to 15 GPM
±2%
NPT Female
3/4"
Aluminum, Brass, 303 SS casing
3500 psi
Direct Read
No
HFB-3-20
$825.00
Available
in 7 weeks
Water
Not Applicable
2 to 20 GPM
±2%
NPT Female
3/4"
Aluminum, Brass, 303 SS casing
3500 psi
Direct Read
No
HFB-4-35
$825.00
Available
in 7 weeks
Water
Not Applicable
5 to 35 GPM
±2%
NPT Female
1"
Aluminum, Brass, 303 SS casing
3500 psi
Direct Read
No
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The FL-W Series of water flow monitors can be used with flows from 1 gph up to 90 gpm.

Product Number Category Media Type Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-W01
$1,194.07
Available
in 13 weeks
Meter
Water
0.1 to 1 GPM
±5%
NPT Female
3/4"
300 SS, Polysulfone, Brass, PTFE
150 psi
93 °C (200 °F)
Direct Read
No
Piston Design Type
FL-W02
$1,194.07
Available
in 13 weeks
Meter
Water
0.2 to 2 GPM
±5%
NPT Female
3/4"
300 SS, Polysulfone, Brass, PTFE
150 psi
93 °C (200 °F)
Direct Read
No
Piston Design Type
FL-W05
$1,194.07
Available
in 13 weeks
Meter
Water
0.5 to 5 GPM
±5%
NPT Female
3/4"
300 SS, Polysulfone, Brass, PTFE
150 psi
93 °C (200 °F)
Direct Read
No
Piston Design Type
FL-W10
$1,194.07
Available
in 13 weeks
Meter
Water
1 to 10 GPM
±5%
NPT Female
3/4"
300 SS, Polysulfone, Brass, PTFE
150 psi
93 °C (200 °F)
Direct Read
No
Piston Design Type
FL-W15
$1,253.00
Available
in 13 weeks
Meter
Water
1.5 to 15 GPM
±5%
NPT Female
3/4"
300 SS, Polysulfone, Brass, PTFE
150 psi
93 °C (200 °F)
Direct Read
No
Piston Design Type
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Variable Area Flow Meters

Variable Area Flow Meters are essential instruments for accurate flow rate measurement in a var...
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