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HIGH FLOW RATE PURGE ROTAMETERS
CAPACITIES: 0.08 to 5.0 GPM for Water,
0.34 to 15.0 SCFM for Air
FL-1200 Series
U ±10% Full Scale Accuracy
1
⁄2% Full Scale
U ±
Repeatability
U Integral Needle
Control Valve
U Side Plate Construction
U Direct Reading Air
and Water Scales
U 316 SS and Brass
Construction Available
U Shielded for Use in
Pressurized Systems
U Easy-to-Read
65 mm (2.6") Scale
B
For Correlation
With Other Fluids,
visit omega.com/
techref_sect_b
Dimensions: mm (inch)
The FL-1200 flowmeters provide
a low-cost means of flow rate
indication. They are designed for
applications where precise accuracy
requirements for metering are not
imperative. These meters are ideal
for purge service, sealed oil
systems, bearing lubrication,
cooling water indication, and other
associated applications.
SPECIFICATIONS
Scales
Length: 65 mm (2.6")
Graduations: Direct reading in GPM
water or SCFM air
CONSTRUCTION
Metering Tube: Borosilicate glass
Float: 316 stainless steel
Float Stops: Stainless steel
End Fittings and Tube Retaining
Adaptor: Chrome-plated brass,
316 stainless steel
Side Plates: Chrome-plated brass
Packing Material: O-rings: Buna with
Brass, FKM with stainless steel
Packing: Neoprene with brass, FKM
with stainless steel
RATINGS
Pressure: 13.8 bar (200 psig) maximum
Temperature: 121°C (250°F) maximum.
Fluid temperatures below 0°C (32°F) will
cause frosting of the glass metering tube.
Connections: Horizontal female,
Accuracy: ±10% full scale
Repeatability: 0.5% full scale
Dimensions: 214 H x 38 W x 116 mm D
(8.44 x 1.5 x 4.56")
3
⁄8 NPT
FL-1214 shown
smaller than actual size.
To Order Visit omega.com/fl1200 for Pricing and Details
Ranges
Model No. Air (SCFM) Water (GPM)
FL-1210 – 0.08 to 0.8 13.6
FL-1211 – 0.15 to 1.5 27.0
FL-1212 – 0.25 to 2.5 85.2
FL-1213 – 0.35 to 3.5 121.0
FL-1214 – 0.5 to 5.0 238.0
FL-1201 0.34 to 3.4 – 15.5
FL-1202 0.6 to 6.0 – 30.8
FL-1203 1.2 to 12 – 97.3
FL-1204 1.5 to 15 – 138.3
Comes complete with operator’s manual.
For units with brass valve and end fittings, add suffix “-B” to model number, consult flow
engineering for cost.
Ordering Examples: FL1212-B, high flow rotameter, 0.25 to 2.5 range with brass valve and
end fittings.
FL-1202, 0.6 to 6.0 SCFM air.
B-42
Pressure Drop
(inches H
O)
2
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