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Variable Area Flow Meters

49 Products
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The VFA Visi-Float® Flowmeters are a line of direct reading, precision machined, clear acrylic body flowmeters suitable for both gas and liquid applications. This Series consists of 2" (51 mm) scales with optional precision metering valves.

Product Number Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features Scale Length
VFA-1
$48.00
Available
in 3 weeks
Air
0.1-1 SCFH AIR
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Acetal
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
2" (50.8 mm)
VFA-2
$48.00
Available
in 3 weeks
Air
0.2-2 SCFH AIR
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Glass
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
2" (50.8 mm)
VFA-3
$48.00
Available
in 3 weeks
Air
0.6-5 SCFH AIR
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Glass
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
2" (50.8 mm)
VFA-4
$48.00
4  In Stock
Air
1-10 SCFH AIR
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Glass
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
2" (50.8 mm)
VFA-5
$48.00
Available
in 3 weeks
Air
2-20 SCFH AIR
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Glass
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
2" (50.8 mm)
  Load More Items from this family (185) ...
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The Series RM Rate-Master® Flowmeters are a line of polycarbonate, direct reading flowmeters suitable for both gas and liquid applications. This Series consists of 2" (51 mm), 5" (127 mm) and 10" (254 mm) scales that can be panel or surface mounted with optional precision metering valves.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Scale Valve Included Features Scale Size
RMA-1
$56.46
Available
in 3 weeks
Meter
Air
.05-.4 SCFH
Not Applicable
+/- 4%
NPT Female
1/8"
Polycarbonate, Neoprene, Buna-N, SS and Black glass, aluminium K monel, tungsten carbide range depending
Direct Read
No
Panel Mount or Surface Mount
2" (51 mm)
RMA-2
$56.46
Available
in 3 weeks
Meter
Air
.1-1 SCFH
Not Applicable
+/- 4%
NPT Female
1/8"
Polycarbonate, Neoprene, Buna-N, SS and Black glass, aluminium K monel, tungsten carbide range depending
Direct Read
No
Panel Mount or Surface Mount
2" (51 mm)
RMA-3
$56.46
Available
in 3 weeks
Meter
Air
0.2-2 SCFH
Not Applicable
+/- 4%
NPT Female
1/8"
Polycarbonate, Neoprene, Buna-N, SS and Black glass, aluminium K monel, tungsten carbide range depending
Direct Read
No
Panel Mount or Surface Mount
2" (51 mm)
RMA-4
$56.46
Available
in 3 weeks
Meter
Air
0.5-5 SCFH
Not Applicable
+/- 4%
NPT Female
1/8"
Polycarbonate, Neoprene, Buna-N, SS and Black glass, aluminium K monel, tungsten carbide range depending
Direct Read
No
Panel Mount or Surface Mount
2" (51 mm)
RMA-5
$56.46
Available
in 3 weeks
Meter
Air
1-10 SCFH
Not Applicable
+/- 4%
NPT Female
1/8"
Polycarbonate, Neoprene, Buna-N, SS and Black glass, aluminium K monel, tungsten carbide range depending
Direct Read
No
Panel Mount or Surface Mount
2" (51 mm)
  Load More Items from this family (158) ...
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The VFB Visi-Float® Flowmeters are a line of direct reading, precision machined, clear acrylic body flowmeters suitable for both gas and liquid applications. This Series consists of 4" (102 mm) scales with optional precision metering valves.

Product Number Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features Scale Length
VFB-35
$81.00
Available
in 3 weeks
Water
Not Applicable
70-700 cc/min Water
±3%
NPT Female
1/8"
Acrylic, Buna, Stainless Steel, 302 Stainless Steel
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
4" (101.6 mm)
VFB-50
$81.00
Available
in 3 weeks
Air
0.3-3 SCFH AIR
Not Applicable
±3%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Aluminum
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
4" (101.6mm)
VFB-51
$81.00
Available
in 3 weeks
Air
2-20 SCFH AIR
Not Applicable
±3%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, Black Glass
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
4" (101.6mm)
VFB-52
$81.00
Available
in 3 weeks
Air
4-40 SCFH AIR
Not Applicable
±3%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, 302 Stainless Steel
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
4" (101.6mm)
VFB-54
$81.00
Available
in 3 weeks
Air
15-150 SCFH AIR
Not Applicable
±3%
NPT Female
1/8"
Acrylic, Buna, Nickle Plated Brass, 302 Stainless Steel
100 psi (6.9 bar)
65°C (150°F)
Direct Read
No
Panel Mount
4" (101.6mm)
  Load More Items from this family (218) ...
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The Series VFCII Visi-Float® Flowmeter is a direct reading, precision machined, clear acrylic body flowmeter suitable for both gas and liquid applications. This Series consists of 5" (127 mm) scale flowmeters that are equipped with acetal thermoplastic 1" male NPT fittings.

Product Number Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features Scale Length
VFCII-121
$185.00
Available
in 2 weeks
Air
4-25 SCFM AIR
Not Applicable
±2%
NPT Male
1"
Acrylic, Buna, Stainless Steel, Acetal Thermoplastic
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFCII-122
$185.00
Available
in 2 weeks
Air
4-50 SCFM AIR
Not Applicable
±2%
NPT Male
1"
Acrylic, Buna, Stainless Steel, Acetal Thermoplastic
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFCII-123
$185.00
Available
in 2 weeks
Air
10-100 SCFM AIR
Not Applicable
±2%
NPT Male
1"
Acrylic, Buna, Stainless Steel, Acetal Thermoplastic
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFCII-131
$185.00
Available
in 2 weeks
Air
100-700 LPM AIR
Not Applicable
±2%
NPT Male
1"
Acrylic, Buna, Stainless Steel, Acetal Thermoplastic
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFCII-132
$185.00
Available
in 2 weeks
Air
200-1400 LPM AIR
Not Applicable
±2%
NPT Male
1"
Acrylic, Buna, Stainless Steel, Acetal Thermoplastic
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
  Load More Items from this family (19) ...
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The Series VFC Visi-Float® Flowmeter is a direct reading, precision machined, clear acrylic body flowmeter suitable for both gas and liquid applications. This Series consists of 5" (127 mm) scale flowmeters with PVC 1" female NPT connections.

Product Number Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features Scale Length
VFC-121
$171.00
Available
in 3 weeks
Air
4-25 SCFM AIR
Not Applicable
±2%
NPT Female
1"
Acrylic, Buna, Stainless Steel, PVC
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFC-122
$171.00
Available
in 3 weeks
Air
5-50 SCFM AIR
Not Applicable
±2%
NPT Female
1"
Acrylic, Buna, Stainless Steel, PVC
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFC-123
$171.00
Available
in 3 weeks
Air
10-100 SCFM AIR
Not Applicable
±2%
NPT Female
1"
Acrylic, Buna, Stainless Steel, PVC
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFC-131
$171.00
Available
in 3 weeks
Air
100-700 L/MIN AIR
Not Applicable
±2%
NPT Female
1"
Acrylic, Buna, Stainless Steel, PVC
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
VFC-132
$171.00
Available
in 3 weeks
Air
200-1400 LPM AIR
Not Applicable
±2%
NPT Female
1"
Acrylic, Buna, Stainless Steel, PVC
100 psi (6.9 bar)
48°C (120°F)
Direct Read
No
Panel Mount
5" (127 mm)
  Load More Items from this family (19) ...
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The FLK2000 Series has a maximum temperature rating of 140°F (60°C) and a maximum pressure rating of 125 psi and are the ideal choice for medical and laboratory applications.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included
FLK-2220
$80.58
4  In Stock
Meter
Water
Not Applicable
25 to 250 SCCM
±4%
NPT Female
1/8"
Acrylic, Brass, SS, Silicone rubber
125 psi
60°C (140°F)
Direct Read
Yes
FLK-2201
$80.58
10  In Stock
Meter
Air
0.2 to 2 SCFH
Not Applicable
±4%
NPT Female
1/8"
Acrylic, Brass, SS, Silicone rubber
125 psi
60°C (140°F)
Direct Read
Yes
FLK-2202
$76.28
10  In Stock
Meter
Air
0.2 to 3 SCFH
Not Applicable
±4%
NPT Female
1/8"
Acrylic, Brass, SS, Silicone rubber
125 psi
60°C (140°F)
Direct Read
Yes
FLK-2203
$80.58
Available
in 4 weeks
Meter
Air
0.85 to 8.5 SCFH
Not Applicable
±4%
NPT Female
1/8"
Acrylic, Brass, SS, Silicone rubber
125 psi
60°C (140°F)
Direct Read
Yes
FLK-2205
$80.58
6  In Stock
Meter
Air
2.5 to 25 SCFH
Not Applicable
±4%
NPT Female
1/8"
Acrylic, Brass, SS, Silicone rubber
125 psi
60°C (140°F)
Direct Read
Yes
  Load More Items from this family (73) ...
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The OMEGA's FL-9000 EZ-View flowmeters provide accurate, in-line indication of oil or water flow rates at an economical cost and can be mounted with no straight pipe runs

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
FL-9004
$99.40
3  In Stock
Meter
Water
0.5 to 4 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9007
$99.40
Available
in 3 weeks
Meter
Water
1 to 7 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9010
$99.40
Available
in 20 weeks
Meter
Water
1 to 10 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9016
$99.40
1  In Stock
Meter
Water
1 to 16 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
FL-9018
$99.40
Available
in 3 weeks
Meter
Water
3 to 18 GPM
±5%
NPT Female
1"
T300 SS, Polysulfone
325 psi
121 °C (250 °F)
Direct Read
No
  Load More Items from this family (13) ...
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FL4000 OEM-style acrylic flow meters are machined from solid acrylic blocks for superb durability. The rear ports extend through the panel for easy hookup.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL4514-V
$162.61
Available
in 5 weeks
Meter
Air
2 to 20 SCFM
Not Applicable
±3%
NPT Female
1/4"
316 SS, Acrylic, PVC, Brass, EPR
100 psi
38 °C (100 °F)
Direct Read
Yes
Panel Mount
FL4201
$84.67
112  In Stock
Meter
Water
Not Applicable
0.7 to 7 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
FL4202
$84.67
Available
in 5 weeks
Meter
Water
Not Applicable
1.2 to 12 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
FL4203
$84.67
Available
in 5 weeks
Meter
Water
Not Applicable
2.2 to 22 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
FL4204
$85.79
11  In Stock
Meter
Water
Not Applicable
4.4 to 44 GPH
±6%
NPT Female
1/4"
316 SS, Acrylic, Brass, EPR
125 psi
54 °C (130 °F)
Direct Read
No
Panel Mount
  Load More Items from this family (73) ...
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All plastic Variable Area Flow Meters for water or water like liquid flow measurement applications.

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
FL-86A
$523.94
3  In Stock
Meter
Water
0.1 to 1 GPM
±6%
NPT Female
1/2"
PTFE, PVDF, Polysulfone, FKM
150 psi
71 °C (160 °F)
Direct Read
No
FL-86B
$727.12
1  In Stock
Meter
Water
2 to 2.4 GPM
±6%
NPT Female
3/4"
PTFE, PVDF, Polysulfone, FKM
150 psi
71 °C (160 °F)
Direct Read
No
FL-86C
$763.81
Available
in 6 weeks
Meter
Water
0.5 to 5 GPM
±6%
NPT Female
3/4"
PTFE, PVDF, Polysulfone, FKM
150 psi
71 °C (160 °F)
Direct Read
No
FL-86D
$1,017.30
Available
in 5 weeks
Meter
Water
1 to 10 GPM
±6%
NPT Female
1"
PTFE, PVDF, Polysulfone, FKM
150 psi
71 °C (160 °F)
Direct Read
No
FL-86E
$998.95
Available
in 6 weeks
Meter
Water
2 to 20 GPM
±6%
NPT Female
1"
PTFE, PVDF, Polysulfone, FKM
150 psi
71 °C (160 °F)
Direct Read
No
  Load More Items from this family (2) ...
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The FLD100 Heavy-duty flowmeters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates up to 116 GPM and 250 SCFM.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included
FLD101
$720.24
1  In Stock
Meter
Air, Water
0.12 to 1.2 SCFM
0.025 to 0.25 GPM
±3%
NPT Female
1/2"
316 SS, Glass, FKM
200 psi
93 °C (200 °F)
Direct Read
No
FLD102
$720.24
Available
in 5 weeks
Meter
Air, Water
0.17 to 1.7 SCFM
0.036 to 0.36 GPM
±3%
NPT Female
1/2"
316 SS, Glass, FKM
200 psi
93 °C (200 °F)
Direct Read
No
FLD103
$720.24
Available
in 5 weeks
Meter
Air, Water
0.33 to 3.3 SCFM
0.076 to 0.76 GPM
±3%
NPT Female
1/2"
316 SS, Glass, FKM
200 psi
93 °C (200 °F)
Direct Read
No
FLD104
$720.24
Available
in 5 weeks
Meter
Air, Water
0.42 to 4.2 SCFM
0.1 to 1 GPM
±3%
NPT Female
1/2"
316 SS, Glass, FKM
200 psi
93 °C (200 °F)
Direct Read
No
FLD105
$720.24
Available
in 5 weeks
Meter
Air, Water
0.65 to 6.5 SCFM
0.15 to 1.5 GPM
±3%
NPT Female
1/2"
316 SS, Glass, FKM
200 psi
93 °C (200 °F)
Direct Read
No
  Load More Items from this family (17) ...
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FLD1000/FLD2000 are designed with unique rotatable scales of dual air-water direct reading graduations showing SCFM and SLPM (air), as well as GPM and LPM (water) markings.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FLD1001
$824.23
1  In Stock
Meter
Air, Water
0.5 to 5 SCFM
0.12 to 1.2 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
FLD1002
$824.23
Available
in 5 weeks
Meter
Air, Water
1 to 10 SCFM
0.2 to 2 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
FLD1003
$824.23
Available
in 5 weeks
Meter
Air, Water
1.5 to 15 SCFM
0.3 to 3 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
FLD1004
$824.23
Available
in 5 weeks
Meter
Air, Water
2 to 20 SCFM
0.4 to 4 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
FLD1005
$824.23
Available
in 5 weeks
Meter
Air, Water
3 to 30 SCFM
0.5 to 5 GPM
±5%
NPT Female
3/8"
316 SS, Glass, FKM
150 psi
121 °C (250 °F)
Direct Read
Yes
In-Line
  Load More Items from this family (28) ...
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FL50000A Series flowmeters feature a rugged, one-piece acrylic body, stainless steel internal parts, rear inlet and outlet ports for panel mounting, and excellent accuracy.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL50001A
$175.40
37  In Stock
Meter
Water
Not Applicable
0.025 to 0.25 GPM
±5%
NPT Male
1/4"
316 SS, Acrylic, FKM
250 psi
93 °C (200 °F)
Direct Read
No
Dual Scale GPM/LPM
FL50005A
$200.84
1  In Stock
Meter
Water
Not Applicable
1 to 10 GPM
±5%
NPT Male
3/4"
316 SS, Acrylic, FKM
120 psi
48 °C (120 °F)
Direct Read
No
Dual Scale GPM/LPM
FL50007A
$252.18
4  In Stock
Meter
Water
Not Applicable
2 to 20 GPM
±5%
NPT Male
1"
316 SS, Acrylic, FKM
120 psi
48 °C (120 °F)
Direct Read
No
Dual Scale GPM/LPM
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The FLD is suitable for metering carrier gases in chromatography, indicating and controlling gases in manufacturing processes, and liquid and gas measurement in laboratories.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FLDW3202ST
$181.56
Available
in 4 weeks
Meter
Water
Not Applicable
0.12 to 1.2 LPM
±5%
NPT Female
1/8"
Aluminium, Glass, Buna, 316 SS
200 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount, 65 mm
FLDA3201C
$166.55
Available
in 4 weeks
Meter
Air
0.22 to 2.2 SCFH
Not Applicable
±5%
NPT Female
1/8"
Aluminium, Glass, Buna, Carboloy
200 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount, 65 mm
FLDA3202G
$166.55
Available
in 4 weeks
Meter
Air
0.6 to 6 SCFH
Not Applicable
±5%
NPT Female
1/8"
Aluminium, Glass, Buna
200 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount, 65 mm
FLDA3208C
$181.56
Available
in 4 weeks
Meter
Air
15 to 150 SCFH
Not Applicable
±5%
NPT Female
1/8"
Aluminium, Glass, Buna, Carboloy
200 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount, 65 mm
FLDA3209C
$181.56
Available
in 4 weeks
Meter
Air
0.06 to 0.6 SCFM
Not Applicable
±5%
NPT Female
1/8"
Aluminium, Glass, Buna, Carboloy
200 psi
121 °C (250 °F)
Direct Read
Yes
Panel Mount, 65 mm
  Load More Items from this family (248) ...
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The FL-2000 Series offers a wide variety of precision flow meters for use in medical, industrial, chemical, and laboratory applications at an economical price.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-2014
$86.61
Available
in 15 weeks
Meter
Air
1 to 10 LPM
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Brass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
FL-2001
$91.49
Available
in 15 weeks
Meter
Air
0.1 to 1 SCFH
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Brass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
FL-2002
$91.49
Available
in 15 weeks
Meter
Air
0.2 to 2 SCFH
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Brass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
FL-2003
$86.61
Available
in 15 weeks
Meter
Air
0.4 to 5 SCFH
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Brass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
FL-2004
$91.49
Available
in 15 weeks
Meter
Air
1 to 10 SCFH
Not Applicable
±5%
NPT Female
1/8"
Acrylic, Buna, Brass
100 psi
65 °C (150 °F)
Direct Read
Yes
Panel Mount
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OMEGA's FL-75 flowmeters combine shatter resistant, non-glass construction and laboratory precision accuracy at an economical price. With Capacities: 0.5 to 200 GPM of Water

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
FL-75E
$344.66
Available
in 5 weeks
Meter
Water
1.5 to 15 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75A
$344.66
Available
in 6 weeks
Meter
Water
0.5 to 5 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75B
$344.66
Available
in 5 weeks
Meter
Water
1 to 10 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75C
$344.66
Available
in 5 weeks
Meter
Water
2 to 22 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
FL-75D
$365.51
1  In Stock
Meter
Water
3 to 35.5 GPM
±3%
NPT Female
1"
316 SS, Polysulfone, EPR, PVC, Acrylic
150 psi
54 °C (130 °F)
Direct Read
No
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The OMEGA's precision variable-area flow meters for air, water, and gases have up to ±2% of full scale accuracy. (Models ending in "07" or "45" have ±5% FS accuracy).

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-3210C
$163.27
Available
in 4 weeks
Meter
Air, Water
2.008 to 20.08 SCCM
81.8 to 818 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal, Carboloy
200 psi
121 °C (250 °F)
0 to 65
Yes
8 turn Resolution valve
FL-3207C
$163.27
Available
in 4 weeks
Meter
Air, Water
3.299 to 32.99 SCCM
0.062 to 0.62 SCCM
±5%
NPT Female
1/8"
Aluminum, Glass, Polyacetal, Carboloy
200 psi
121 °C (250 °F)
0 to 65
Yes
8 turn Resolution valve
FL-3207G
$154.58
Available
in 4 weeks
Meter
Air, Water
0.577 to 5.77 SCCM
0.007 to 0.07 SCCM
±5%
NPT Female
1/8"
Aluminum, Glass, Polyacetal
200 psi
121 °C (250 °F)
0 to 65
Yes
8 turn Resolution valve
FL-3210G
$163.27
2  In Stock
Meter
Air, Water
20.2 to 202 SCCM
0.264 to 2.64 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal
200 psi
121 °C (250 °F)
0 to 65
Yes
8 turn Resolution valve
FL-3213G
$163.27
3  In Stock
Meter
Air, Water
10.4 to 104 SCCM
0.175 to 1.75 SCCM
±2%
NPT Female
1/8"
Aluminum, Glass, Polyacetal
200 psi
121 °C (250 °F)
0 to 65
Yes
8 turn Resolution valve
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The FLMG flow meters feature rugged construction and direct-reading flow rates of air. The units are calibrated at 100 psi pressure, idea for most compressed air applications.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FLMG-10100AL
$491.73
Available
in 4 weeks
Meter
Air
10 to 100 SCFM
null
±4%
NPT Female
1"
Aluminum, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-10050AL
$491.73
Available
in 4 weeks
Meter
Air
6 to 50 SCFM
null
±4%
NPT Female
1"
Aluminum, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-10050BR
$661.03
Available
in 4 weeks
Meter
Air
6 to 50 SCFM
null
±4%
NPT Female
1"
Brass, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-10050SS
$1,241.88
Available
in 4 weeks
Meter
Air
6 to 50 SCFM
null
±4%
NPT Female
1"
304 SS, FKM, PTFE
1,000 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMG-10100BR
$648.46
Available
in 4 weeks
Meter
Air
10 to 100 SCFM
null
±4%
NPT Female
1"
Brass, Buna, PTFE, SS
600 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
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The FL-500 Series in-line flow meters feature rugged construction, easy installation and direct reading flow rates for water and air at atmospheric and 90 psi pressures.

Product Number Category Media Type Gas Flow Range Liquid Flow Range Accuracy Process Connection Type Process Connection Size Wetted Materials Max Operating Pressure Max Process Temperature Scale Valve Included Features
FL-510
$266.15
8  In Stock
Meter
Air, Water
15 to 90 SCFM
1 to 10 GPM
±5%
NPT Female
1"
316 SS, PVC, FKM
100 psi
65 °C (150 °F)
Direct Read
No
Water Maximum Pressure 200 psi
FL-505
$266.15
Available
in 13 weeks
Meter
Air, Water
5 to 50 SCFM
0.5 to 5 GPM
±5%
NPT Female
1"
316 SS, PVC, FKM
100 psi
65 °C (150 °F)
Direct Read
No
Water Maximum Pressure 200 psi
FL-515
$281.11
Available
in 13 weeks
Meter
Air, Water
15 to 135 SCFM
1.5 to 15 GPM
±5%
NPT Female
1"
316 SS, PVC, FKM
100 psi
65 °C (150 °F)
Direct Read
No
Water Maximum Pressure 200 psi
FL-530
$424.99
Available
in 13 weeks
Meter
Air, Water
30 to 300 SCFM
3 to 30 GPM
±5%
NPT Female
1 1/2"
316 SS, PVC, FKM
100 psi
65 °C (150 °F)
Direct Read
No
Water Maximum Pressure 200 psi
FL-540
$428.51
Available
in 13 weeks
Meter
Air, Water
40 to 400 SCFM
4 to 40 GPM
±5%
NPT Female
1 1/2"
316 SS, PVC, FKM
100 psi
65 °C (150 °F)
Direct Read
No
Water Maximum Pressure 200 psi
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The FLMW and FLMH flowmeters can be installed in the fluid line without flow straighteners. The spring-and-piston type assembly protects them against changes in viscosity.

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
FLMH-1202SS
$849.39
Available
in 4 weeks
Meter
Oil
0.2 to 2 GPM
±2%
NPT Female
1/2"
304 SS, Buna, EPR, FKM, Perfluoroelastomer, PTFE-Coated Alnico
6000 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMH-1002AL
$447.02
Available
in 4 weeks
Meter
Oil
0.2 to 2 GPM
±2%
NPT Female
1"
Aluminum, SS, Buna, EPR, FKM, Perfluoroelastomer, PTFE-Coated Alnico
3500 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMH-1002BR
$579.19
Available
in 4 weeks
Meter
Oil
0.2 to 2 GPM
±2%
NPT Female
1"
Brass, SS, Buna, EPR, FKM, Perfluoroelastomer, PTFE-Coated Alnico
3500 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMH-1002SS
$1,088.16
Available
in 4 weeks
Meter
Oil
0.2 to 2 GPM
±2%
NPT Female
1"
304 SS, Buna, EPR, FKM, Perfluoroelastomer, PTFE-Coated Alnico
6000 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
FLMH-1005AL
$439.23
Available
in 4 weeks
Meter
Oil
0.5 to 5 GPM
±2%
NPT Female
1"
Aluminum, SS, Buna, EPR, FKM, Perfluoroelastomer, PTFE-Coated Alnico
3500 psi
116 °C (240 °F)
Direct Read
No
Not Applicable
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The FL-500WW Series provides flowrate indication for 1 to 5% dilute aqueous chemical solutions used in the treatment of water and wastewater

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
FL-550WW
$550.81
Available
in 13 weeks
Meter
Water
5 to 50 GPM
±5%
NPT Female
1 1/2"
PVC, Titanium
200 psi
65 °C (150 °F)
Direct Read
No
FL-505WW
$392.45
Available
in 13 weeks
Meter
Water
0.5 to 5 GPM
±5%
NPT Female
1"
PVC, Titanium
200 psi
65 °C (150 °F)
Direct Read
No
FL-510WW
$392.45
Available
in 13 weeks
Meter
Water
1 to 10 GPM
±5%
NPT Female
1"
PVC, Titanium
200 psi
65 °C (150 °F)
Direct Read
No
FL-515WW
$392.45
Available
in 13 weeks
Meter
Water
1.5 to 15 GPM
±5%
NPT Female
1"
PVC, Titanium
200 psi
65 °C (150 °F)
Direct Read
No
FL-520WW
$521.43
Available
in 13 weeks
Meter
Water
2 to 20 GPM
±5%
NPT Female
1 1/2"
PVC, Titanium
200 psi
65 °C (150 °F)
Direct Read
No
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