Dwyer Series TVA All Teflon® Flowmeters
|
75 mm and 125 mm, 10:1 Turndown, ±5% FS
Accuracy |
Series TVA All Teflon® Flowmeters offer solutions
for measuring flow rates of highly corrosive or ultra-pure liquids.
Flowmeters are designed with 0 to 10 scale graduations denoting
a discrete flow rate. |
SPECIFICATIONS |
Service: Compatible Gases or Liquids.
Wetted Materials:
Flowtube: Teflon® PFA.
Float and End Fittings: Teflon® PTFE.
Guide Rods: PCTFE.
Temperature Limits: 250°F (121°C).
Pressure Limits: 100 psig (6.9 bar).
Accuracy: ±5% FS @ 70°F (21.1°C) and 14.7 psia
(1 atm absolute).
Repeatability: ±0.25%.
Leak Integrity: 1 x 10-7 sccs of Helium.
Scales: 0 to 10 markings, 75 mm or 125 mm lengths.
Turn-down Ratio: 10:1.
Mounting: Vertical. |
DIMENSIONS |
|
Model |
A |
B |
C |
D |
E |
F |
G |
TVA11XX
TVA13XX
TVA22XX
TVA24XX |
4.97 [126]
4.97 [126]
8.72 [221]
8.47 [215] |
0.56 [14]
0.56 [14]
0.88 [22]
1.00 [25] |
1.06 [27]
1.25 [32]
1.75 [44]
1.75 [44] |
3.35 [85]
4.65 [118]
4.57 [116]
5.95 [151] |
1.25 [32]
1.50 [38]
2.00 [51]
2.25 [57] |
6.16 [156]
6.16 [156]
10.4 [264]
10.4 [264] |
1/4
3/8
1/2
3/4 |
|
Panel Mounting: Drill two holes: 3/4" dia. at
4.97" apart for 1/4" NPT models, 7/8" dia. at 4.97" apart for
3/8" NPT models, 1" dia. at 8.72" apart for 1/2" NPT models,
and 1-1/4" dia. at 8.47" apart for 3/4" models (center-to-center). |
POPULAR MODELS LOW RANGE WITH VALVE |
Model
Number |
Length |
Connections |
Flow
Rate (H2O) gph (ml/min) |
TVA1113 |
75mm |
1/4"
NPT (F) |
6.34
(400) |
TVA1115 |
75mm |
1/4"
NPT (F) |
15.9
(1000) |
TVA1317 |
75mm |
3/8"
NPT (F) |
39.6
(2500) |
TVA1319 |
75mm |
3/8"
NPT (F) |
79.2
(5000) |
|
|
POPULAR MODELS LOW RANGE WITHOUT VALVE |
Model
Number |
Length |
Connections |
Flow
Rate (H2O) gph (ml/min) |
TVA1103 |
75mm |
1/4"
NPT (F) |
6.34
(400) |
TVA1105 |
75mm |
1/4"
NPT (F) |
15.9
(1000) |
TVA1307 |
75mm |
3/8"
NPT (F) |
39.6
(2500) |
TVA1309 |
75mm |
3/8"
NPT (F) |
79.2
(5000) |
|
POPULAR MODELS HIGH RANGE WITH VALVE |
Model
Number |
Length |
Connections |
Flow
Rate (H2O) gpm (l/min) |
TVA22110 |
125mm |
1/2"
NPT (F) |
3.43
(13) |
TVA24112 |
125mm |
3/4"
NPT (F) |
7.93
(30) |
TVA24114 |
125mm |
3/4"
NPT (F) |
11.9
(45) |
|
POPULAR MODELS HIGH RANGE WITHOUT VALVE |
Model
Number |
Length |
Connections |
Flow
Rate (H2O) gpm (l/min) |
TVA22010 |
125mm |
1/2"
NPT (F) |
3.43
(13) |
TVA24012 |
125mm |
3/4"
NPT (F) |
7.93
(30) |
TVA24014 |
125mm |
3/4"
NPT (F) |
11.9
(45) |
|