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ROTAMETERS FOR
CORROSIVE APPLICATIONS
CAPACITIES: 0.054 to 573 cc/min of Water,
4.9 cc/min to 23.5 LPM of Air
FL-1800 Series
255
(10.03)
224
(8.81)
(0.63)
16
U ±5% Full Scale Accuracy
U ±1⁄2% Full Scale
Repeatability
U Large 150 mm
(5.9") Scale
U Correlation Charts
for Air and Water
U PVDF and Glass
Wetted Parts
U Machined End Fittings
U Side Plate Construction
U Non-Rotating
Seal Spindle
OMEGA® FL-1800 Series
flowmeters are designed for use
with corrosive materials. These
special flowmeters utilize PVDF
and glass wetted parts for excellent
corrosion resistance where standard
rotameters would be unacceptable.
Because of this construction, these
flowmeters can be used with most
acids and bases, in addition to many
organic solvents.
SCALE
150 mm
31.8 (1.25)
SQUARE
Dimensions: mm (in)
SPECIFICATIONS
Scales: 150 mm (5.9"), 0 to 150 mm
with correlation charts for air and water
Accuracy: ±5% full scale
Repeatability: ±¹⁄₂% full scale
Connections: ¹⁄₄ NPT, female horizontal
Metering Tubes: Borosilicate glass
Floats: Glass
End Fittings, Seal Spindle: PVDF
Side Plates: Aluminum
Float Stops: PTFE
Tube Packing: FKM
O-Rings: FKM
Max Pressure: 10.34 bar (150 psig) at
38°C (100°F)
To Order Visit omega.com/fl1800 for Pricing and Details
Model No. Air Range Water Range
FL-1801
FL-1802
FL-1803
FL-1804
FL-1805
FL-1806
FL-1807
FL-1808
Comes with complete operator’s manual and correlation charts for air and water.
For units with 316 SS control valve, add suffix “-V” to model number for additional cost.
Ordering Examples: FL1807-V, rotameter with 316 SS control valve.
4.9 to 49 cc/min 0.054 to 0.537 cc/min
8.8 to 88 cc/min 0.11 to 1.11 cc/min
37 to 370 cc/min 0.58 to 5.75 cc/min
0.08 to 0.82 LPM 1.66 to 16.6 cc/min
0.24 to 2.35 LPM 5.3 to 52.8 cc/min
0.38 to 3.8 LPM 8.5 to 84.6 cc/min
0.86 to 8.6 LPM 20 to 200 cc/min
2.4 to 23.5 LPM 57 to 573 cc/min
B1-27
FL-1801, shown smaller
than actual size.
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