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Liquid Flow
Meter
MAO 125/250 Series
For economical monitoring of lower flows of corrosive
and non-corrosive liquids.
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Patent No's 4,858,647;
4,905,844; 5,033,311
Others may apply.
Click
here for additional details and specifications
All Teflon wetted parts model available.
No seals. Undamaged by over ranging. |
Wet Benches
Cooling Systems
Corrosive Chemical Dispensing
Materials Consumption Measurement
Process Controls |
Features |
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No Bearings
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Single Moving Part
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In Line Metering
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No Rotating internals
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Materials: Teflon , Brass or 316ss
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Output: Analog, Digital, or Current Loop
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Measures Low Flows
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| Operation
When fluid flows through the unit it displaces the Teflon® - encapsulated magnetic piston.
This displacement is proportional to the volumetric flow through the unit. A transducer, encapsulated in the body outside the fluid path, senses the displacement of the piston.
The transducer’s signal is converted by a microprocessor-based conditioning circuit then
sends the signal to three types of outputs: voltage, pulse and current loop.
• TOTAL ACCURACY: ± 5%
• REPEATABILITY: ± 2% FULL SCALE
• LINEARITY: ± 2% FULL SCALE
Calibration Range
Calibration
done using water. Corrections must be used for
other liquids.
| MODEL |
ML/MIN
(GPH) |
VDC |
HZ |
mA |
PORTS
FNPT |
| MAO125XAA |
0 |
0 |
0 |
0 |
1/8” |
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20 (0.3170) |
1 |
40 |
4 |
|
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32.5 (0.5151) |
2 |
80 |
8 |
|
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45 (0.7133) |
3 |
120 |
12 |
|
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57.5 (0.9114) |
4 |
160 |
16 |
|
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70 (1.1095) |
5 |
200 |
20 |
|
| MAO125XBB |
0 |
0 |
0 |
0 |
1/8” |
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50 (0.7925) |
1 |
40 |
4 |
|
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75 (1.1888) |
2 |
80 |
8 |
|
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100 (1.5850) |
3 |
120 |
12 |
|
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125 (1.9813) |
4 |
160 |
16 |
|
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150 (2.3775) |
5 |
200 |
20 |
|
| MAO250XAA |
0 |
0 |
0 |
0 |
1/4" |
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100 (1.5850) |
1 |
40 |
4 |
|
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200 (3.1701) |
2 |
80 |
8 |
|
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300 (4.7551) |
3 |
120 |
12 |
|
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400 (6.3401) |
4 |
160 |
16 |
|
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500 (7.9252) |
5 |
200 |
20 |
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| MAO250XBB |
0 |
0 |
0 |
0 |
1/4" |
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250 (3.9626) |
1 |
40 |
4 |
|
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638 (10.1125) |
2 |
80 |
8 |
|
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1025 (16.2466) |
3 |
120 |
12 |
|
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1413 (22.3965) |
4 |
160 |
16 |
|
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1800 (28.5306) |
5 |
200 |
20 |
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Pressure Loss Table
MODEL |
|
LINEAR
RANGE
ML / M (GPH) |
ΔP
MBARS (PSID) |
MAO-125-AA |
Minimum
Maximum |
20(0.32)
70(1.11) |
24.82 (0.36)
42.06 (0.61) |
MAO-125-BB |
Minimum
Maximum |
50(0.79)
150(2.38) |
8.27 (0.12)
10.34 (0.15) |
MAO-250-AA |
Minimum
Maximum |
100 (1.59)
500 (7.93) |
8.27 (0.12)
9.65 (0.14) |
MAO-250-BB |
Minimum
Maximum |
260 (4.12)
1800 (28.54) |
10.34 (0.15)
20.00 (0.29) |
Mechanical Specifications
MODEL |
WEIGHT
LBS. (Kg) |
MAXIMUM PRESSURE
PSIG (BARG) |
WETTED PARTS |
MAO-125/250-T |
0.63 (0.29) |
80 (5.51) |
Teflon® |
MAO-125/250-B |
1.30 (0.59) |
1500 (103.42) |
Brass & Teflon® |
MAO-125/250-S |
1.30 (0.59) |
3000 (206.84) |
316 Stainless Steel & Teflon® |
| Polypropylene Cover, Viton® Gasket and Stainless Steel Hardware. |
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Kalrez® and Viton® are registered trademarks
of DuPont Dow Elastomers..
Teflon® is a registered trademark of E. I. du Pont de Nemours
and Company.
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