Omega Products FL-1GP User Manual
GAS PROPORTIONING
ROTAMETERS
Back Pressure Compensated
FL-1GP Series
Starts at
$
426
Complete Assemblies
†
Optional
⻬ ±2%FS Accuracy
⻬ Back Pressure Compensated for
Accurate Blending—Up to 50 psi Only
⻬ Blend Up to Three Gases
⻬ Save on Cost of Custom Gas Mixtures
⻬ Vary Concentrations with
Operating System
⻬ For Use with 150 mm Flow Tubes
⻬ Bench Mount Tripod Base Optional
⻬ Standard 6-Turn Valves or Precision
16-Turn Valves Available
Shown smaller than actual size.
To blend two or three gases in
homogeneous infinitely variable
concentrations, directly at the end
use point, these rotameters are
unsurpassed in convenience and
economy. Gas proportioning
rotameters pay for themselves in a
short period of time since their use
eliminates the need for expensive
custom blended gas mixtures from
outside sources. This series of
rotameters lend flexibility and
economy to the efficient utilization of
component gas cylinders and piped
in supply lines. Another significant
advantage in laboratory use is the
freedom to reproducibly increase or
decrease concentrations during the
course of an experiment.
The flowrates of component gases
are not affected by downstream
pressure variations as long as back
pressures do not exceed or
approach the input pressure.
SPECIFICATIONS
Accuracy: ±2% FS, from 10% to
100% of scale
Repeatability: ±0.25% FS
Max Pressure: 200 psig
Max Temperature: 250°F
(180°F for water)
Flow Tube: Borosilicate glass
End Fittings: Black and anodized
aluminum or 316 SS
Packing and O-Rings:
Buna in aluminum models, FKM -A in
316 SS models
Side Panels: Black anodized aluminum
Connections:
1
⁄8 FNPT
CUSTOM BUILT TO ORDER!
To Order
For Two Tubes
Model No. Frame Price Valve Type End Fittings
FL-1GP-(*)-(*) $286 Standard Aluminum
FL-2GP-(*)-(*) 337 Precision Aluminum
FL-3GP-(*)-(*) 474 Standard 316 SS
FL-4GP-(*)-(*) 533 Precision 316 SS
For Three Tubes
FL-5GP-(*)-(*)-(*) $365 Standard Aluminum
FL-6GP-(*)-(*)-(*) 471 Precision Aluminum
FL-7GP-(*)-(*)-(*) 617 Standard 316 SS
FL-8GP-(*)-(*)-(*) 806 Precision 316 SS
Comes complete with air correlation sheet for each tube and operator’s manual.
Select the desired 150 mm flow tube from those listed on page B-34. Delete the
*
FLT-prefix and insert the remaining suffix from the flow tube into the model numbers above.
†
For NIST calibration, add suffix “-NIST AIR” to model number and $225 per tube, per gas, per
float to the price. Add suffix “-NIST WATER” to model number and $275 per tube to the price.
Ordering Example: FL-5GP-61G-41SA-03C calls out a 3 tube gas proportioner with standard
valves and aluminum end fittings with tubes FLT-61G, FLT-41SA and FLT-03C installed,
$365 + 70 + 70 + 70 = $575.
(Specify Model Number)
B-33
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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