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ECONOMICAL IN-LINE FLOWMETERS
CAPACITY: 0.2 to 15 GPM of Water
FL-6400A Series
U ±2% Full Scale Accuracy
U Direct-Reading Scale for Water
U For Corrosive Fluids
U For High-Pressure Systems
U Mounts in Any Position
U Vertical Connections for In-Line Mounting
U ±1% Repeatability
U High Viscosity Immunity
U 116°C (240°F) Standard, 204°C (400°F) Optional
OMEGA® FL-6400A in-line flowmeters are designed
for use with many caustic or corrosive fluids. These
meters feature stainless steel construction, and
because of the unique construction design, they can
be mounted in any position. The FL-6400A flowmeters
have direct-reading scales for water on the
metering tube, and, due to the sharp-edged orifice
float, variances in viscosity have only a minimal effect.
FL-6400A flowmeters feature a unique spring-bound
design flow rate indicator, which can be used with both
clear and opaque liquids for maximum versatility.
Correlation equations for use with other fluids are
available in the user’s manual
B
SPECIFICATIONS
Accuracy: ±2% FS
Repeatability: ±1%
Connections:
Dimensions: 61.0 x 53.6 mm (2.4 x 2.11") for
116°C (240°F) units
Length: 168 mm (6.6") for all units
Maximum Pressure: 413.7 bar (6000 psig)
Maximum Temperature: 116°C (240°F)
Shipping Weight: 1.34 kg (2.95 lb)
Metering Tube: 316 SS
Float: 316 SS
Spring: 316 SS
Seals: FKM
Magnet: Polyphenylene sulfide/ceramic
1
⁄2 FNPT
12
1/2"
10
8
6
4
2
Pressure Drop, psi
0
0.0
0.5-5.0
2.5 5.0 7.5 10.0 12.5 15.0
Flow, GPM
1-10
4
3
2
1
0
0.1-1.0
0.0
1-15
0.2-2.0
2.5
FL-6404A-316
shown actual size.
To Order Visit omega.com/fl6400 for Pricing and Details
Model No. Range LPM (GPM)
FL-6402A-316 0.8 to 7.5 (0.2 to 2.0) water
FL-6404A-316 2 to 19 (0.5 to 5.0) water
FL-6412A-316 3 to 38 (1.0 to 10) water
FL-6416A-316 4 to 56 (1.0 to 15) water
Comes complete with operator’s manual.
For units with BSPP threads add suffix “-BSPP” to model number,
no additional charge.
For 204°C (400°F) units add suffix “-H” to model number, for
additional cost.
Ordering Examples: FL-6412A-316, water flowmeter, 10 GPM.
FL-6402A-316-H, 204°C (400°F) water flowmeter, 2 GPM.
B-60
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