Omega Products FLT-03C User Manual
ACCESSORY FLOWTUBES
For Use with FL-3000 Series Rotameters,
Multi-Tube Assemblies and Gas Proportioners
The flow tubes shown on this page
can be installed into any of the
150 mm rotameters shown on pages
B-32 and B-33. Flow capacities shown
are based on calibrations with air and
water at 21°C (70°F) and 14.7 psia.
For other fluids or conditions, the
following equations provide rough
approximations.
Flow tube
shown inside
frame
Gas
Qa= Q
where:
Qa= equivalent air flow scale
Qg= true flow of metered gas
G=specific gravity of metered gas
Ta= absolute temperature at flow
To= absolute temperature at
Pa= pressure at flow conditions,
Po= pressure at Standard
x
g
reading at Standard Conditions
conditions, deg R or deg K
Standard Conditions deg R
(530) or deg K (294)
psia
Conditions, (14.7 psia)
FL-3845G, $139
see page B-28.
G x Tax P
T
o
o
P
a
Liquid
QW= QLx
where:
Qw= equivalent water flow capacity
at Standard Conditions
QL= maximum flow of metered liquid
df= density of float selected,
(See Table, right), (g/ml)
dL= density of metered liquid, (g/ml)
dw= density of water at Standard
Conditions, (1.0 g/ml)
(Does not include
viscosity effect)
df-dWx d
df-d
L
L
d
W
150 mm Flowtube, gas flow capacities
of routine gases. cc/min, 10:1 range
Model No. Price Air Water Argon CO
FLT-45G $70 19 0.196 15 23 16 37 20 17
FLT-45SA 70 30 0.392 24 37 26 59 31 27
FLT-45ST 70 60.6 0.94 49 72 53 123 62 54
FLT-45C 70 110 1.91 90 127 101 232 114 99
FLT-45T 80 121 2.13 99 139 112 256 125 109
FLT-41G 70 49 0.49 44 56 46 94 48 42
FLT-41SA 70 73 0.98 60 84 69 149 76 70.4
FLT-41ST 70 143 2.34 113 150 133 301 143 131
FLT-41C 70 247 4.7 202 251 260 567 255 228
FLT-41T 80 264 5.1 222 263 288 602 274 244
FLT-61G 70 93 0.9 75.6 103 90 208 92 81
FLT-61C 70 444 8.5 373 445 519 1120 462 407
FLT-61T 80 484 9.2 393 470 555 1225 495 433
FLT-02G 70 374 5.5 305 355 450 1021 382 340
FLT-02SA 70 513 10.0 429 472 681 1497 520 472
FLT-02ST 70 814 20.4 676 728 1290 2496 824 753
FLT-02C 70 1222 33.7 1020 1072 2221 3876 1220 1131
FLT-02T 80 1331 36.1 1085 1134 2356 4257 1310 1206
FLT-03G 70 844 16.5 687 725 1490 2620 827 772
FLT-03SA 70 1093 26.1 910 944 2059 3546 1110 1024
FLT-03ST 70 1682 44.6 1380 1420 3397 5547 1662 1545
FLT-03C 70 2423 70.5 1996 2039 5120 8170 2405 2246
FLT-03T 80 2576 75.6 2131 2163 5437 8717 2575 2364
FLT-04G 70 2313 54 1949 2048 4880 7817 2395 2169
FLT-04SA 70 3079 78 2605 2620 6458 10455 3142 2860
FLT-04ST 70 4562 133 3903 3990 9770 15855 4685 4341
FLT-04C 70 6621 201 5665 5743 14500 22790 6845 6307
FLT-04T 80 6932 212 6040 6018 15420 24252 7080 6690
FLT-05G 70 3922 84 3151 3374 7803 13105 3868 3485
FLT-05SA 70 5188 126 4175 4388 10336 16108 5090 4652
FLT-05ST 70 7825 217 6384 6308 15960 27804 7722 6992
FLT-05C 70 11154 329 9460 9222 23509 37553 10973 10082
FLT-05T 80 11965 353 9627 9475 25131 39998 11628 10741
FLT-39G 70 8678 210 7366 7485 19426 29840 8916 8269
FLT-39SA 85 11357 306 9539 9557 25400 40006 11524 10706
FLT-39ST 70 16737 506 14131 14051 38576 59995 17021 15710
FLT-39C 80 23752 747 20166 19854 56220 83052 24071 22432
FLT-39T 85 25252 790 21414 21115 60596 90410 25709 23790
FLT-40G 80 23742 541 19761 18989 53100 85812 23512 21350
FLT-40SA 85 30711 806 24563 23855 70100 110100 29930 27181
FLT-40ST 80 45227 1288 35300 34287 103647 159699 43000 39567
FLT-40C 80 66346 1881 47890 46311 146500 221872 59580 54902
FLT-40T 85 69940 2001 51997 49009 189826 234423 63826 57960
Comes complete with correlation sheets for air and water.
Suffix refers to float: G = black glass, SA = red sapphire,
*
ST = 316 stainless steel, C = carboloy, T = tantalum.
Minimum flow is equal to 10% of the maximum listed.
For highest precision, field calibration is required.
B-34
MOST POPULAR
MODELS HIGHLIGHTED!
He HNO
2
Material Density g/ml
Glass 2.53
Sapphire 3.98
Stainless steel 8.04
Carboloy 14.98
Tantalum 16.58
B
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