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Multi-tube Rotameters-Gas Proportioning Rotameters
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
FL-1,2,3,4,5,6,7,8GP
PLACE ORDER 
  • ±2%FS Accuracy
  • Back Pressure Compensated for Accurate Blending
  • Blend Up To Three Gases
  • Save on Cost of Custom Gas Mixtures
  • Vary Concentrations With Operating System
  • For Use With 150 mm Flow Tubes
  • Bench Mount Tripod Base Optional
  • Standard 6-Turn Valves or Precision 16-Turn Valves Available
 Specs
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Description

Description

To blend two or three gases in homogeneous infinitely variableconcentrations, directly at the end use point, these rotameters areunsurpassed in convenience and economy. Gas proportioningrotameters pay for themselves in a short period of time since their useeliminates the need for expensive custom blended gas mixtures fromoutside sources. This series of rotameters lend flexibility andeconomy to the efficient utilization of component gas cylinders and pipedin supply lines. Another significant advantage in laboratory use is thefreedom to reproducibly increase or decrease concentrations during thecourse of an experiment.

The flowrates of component gasesare not affected by downstreampressure variations as long as backpressures do not exceed orapproach the input pressure.


150 mm Flowtube, Gas Flow Capacities of Routine Gases
Ranges in cc/min, flowtubes have 10:1 range
Model No. Valve Type End Fittings
Models for 2 Flow Tubes
FL-1GP-(*)-(*) Standard Aluminum
FL-2GP-(*)-(*) Precision Aluminum
FL-3GP-(*)-(*) Standard 316 SS
FL-4GP-(*)-(*) Precision 316 SS
Models for 3 Flow Tubes
FL-5GP-(*)-(*)-(*) Standard Aluminum
FL-6GP-(*)-(*)-(*) Precision Aluminum
FL-7GP-(*)-(*)-(*) Standard 316 SS
FL-8GP-(*)-(*)-(*) Precision 316 SS
*Specify flow tube and float from flowtube table at right.

Float Materials:
G = black glass
SA = sapphire
ST = 316 SS
C = carboloy




SPECIFICATIONS
Accuracy: ±2% FS, from 10% to 100% of scale
Repeatability: ±0.25% FS
Max Pressure: 200 psig
Scaled Pressure: 50 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
Tube
No.		 Air Argon CO2 He H2 N2 O2
45G 83 67 97 73 169 85 74
45SA 127 104 146 117 267 131 114
45ST 242 200 265 241 535 249 218
45C 415 343 437 450 967 426 376
41G 191 161 203 195 399 197 166
41SA 270 229 279 302 662 283 246
41ST 460 383 478 573 1185 471 442
41C 743 625 702 1094 2013 771 719
61G 324 270 346 333 844 331 294
61SA 505 412 494 569 1209 467 460
61ST 825 687 771 1089 2432 833 764
61C 1275 1062 1132 1972 3732 1303 1175
02G 1086 855 934 1779 3110 1016 930
02SA 1324 1115 1168 2468 4289 1340 1228
02ST 2024 1717 1724 4083 6740 2034 1905
02C 2912 2472 2521 6927 9979 2997 2703
03G 2008 1697 1747 4214 6711 2039 1865
03SA 2590 2186 2264 5656 8995 2643 2503
03ST 3903 3274 3343 8669 14490 3731 3685
03C 5547 4697 4691 12717 19993 6169 5210
04G 5528 4794 4954 12540 18862 5801 5381
04SA 7240 6163 6217 15703 25235 7415 6826
04ST 10813 9077 9178 24629 38556 11044 10335
04C 15322 12904 12879 34709 55936 15433 14451
05G 9294 7705 7888 19830 30900 9419 8749
05SA 11647 9969 10042 26008 45263 11955 11137
05ST 17311 14489 14420 40831 60300 17525 16353
05C 24065 20744 20099 59702 86369 24549 22905
39G 19767 17978 17936 48193 73500 21676 19931
39SA 27514 23001 54010 63240 97000 27449 25800
39ST 38995 33778 33087 98676 142000 40086 36821
39C 55293 47151 45745 139847 200500 55930 52494
40G 49374 41899 40520 125617 182239 50258 46851
40SA 62480 53038 51220 159976 231239 63595 59304
40ST 89880 76322 73584 231946 333775 91478 85341
40C 123846 105182 101303 321265 460942 126041 117615
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