Products
Compressed air flow meter is mainly used for industrial pipeline media fluid flow measurement, such as gas, liquid, steam and other media. It is characterized by small pressure loss, large range, high accuracy, in the measurement of the volume flow of the working condition is almost independent of the fluid density, pressure, temperature, viscosity and other parameters. There are no moving mechanical parts, so high reliability and low maintenance. Instrument parameters can be stabilized for a long time. Vortex flowmeter using piezoelectric stress sensor, high reliability, can be in -20 ℃ ~ +250 ℃ working temperature range. There are analog standard signals, there are also digital pulse signal output, easy to use with computers and other digital systems, is a more advanced, ideal flow meter. Our company can produce vibration-resistant vortex flowmeter, has been widely put into use!
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a thoroughfare (DN) |
Liquid flow range (m3/h) |
Output frequency range (Hz) |
Gas flow range (m3/h) |
Output frequency range (Hz) |
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15 |
1.2~6.2 |
90~900 |
5~25 |
265~2640 |
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20 |
1.5~10 |
40~396 |
8~50 |
218~1982 |
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25 |
1.6~16 |
32~325 |
10~70 |
172~1420 |
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32 |
2~20 |
20~250 |
15~150 |
130~1350 |
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40 |
2.5~25 |
13~130 |
22~220 |
115~1147 |
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50 |
3.5~35 |
9~93 |
36~320 |
96~854 |
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65 |
6~60 |
8~82 |
50~480 |
61~583 |
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80 |
10~100 |
6~65 |
70~640 |
45~417 |
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100 |
15~150 |
5~50 |
130~1100 |
43~367 |
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125 |
25~250 |
5~47 |
200~1700 |
33~290 |
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150 |
40~400 |
4~40 |
280~2240 |
27~221 |
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200 |
80~800 |
3~33 |
580~4960 |
24~207 |
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250 |
140~1400 |
3~26 |
970~8000 |
20~171 |
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300 |
200~2000 |
2~22 |
1380~11000 |
17~136 |
External Dimensions
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a thoroughfare (DN) |
L (mm) |
H (mm) |
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10 |
66 |
360 |
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15 |
66 |
360 |
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20 |
66 |
360 |
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25 |
66 |
360 |
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32 |
66 |
365 |
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40 |
80 |
370 |
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50 |
80 |
375 |
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65 |
93 |
383 |
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80 |
100 |
390 |
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100 |
125 |
400 |
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125 |
145 |
470 |
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150 |
165 |
500 |
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200 |
196 |
580 |
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250 |
235 |
650 |
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300 |
255 |
700 |
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Installation Diagram |
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caveat |
legend (of a map, etc) |
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1、Expand the installation of the pipe
For small diameter and large flow, must expand the installation of the pipe, while ensuring that the flow meter before the straight section ≥ 15D, after the straight section ≥ 5D
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2、Shrinking pipe installation
For large caliber small flow, must be reduced installation, while ensuring that the flowmeter before the straight section ≥ 15D, after the straight section ≥ 5D
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3、The installation of elbow
If the front end of the flowmeter has 90 ° elbow or T-type connector, to ensure that the flowmeter before the straight section ≥ 15D, after the straight section ≥ 5D
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4, the same plane two elbow installation
If the front of the flowmeter has two 90 ° elbow, to ensure that the flowmeter before the straight section ≥ 20D, after the straight section ≥ 5D
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5, the installation of two elbows in different planes
If the front of the flowmeter has two 90 ° elbow, to ensure that the flowmeter before the straight section ≥ 25D, after the straight section ≥ 5D
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6、Installation of adjustment valve
If the flowmeter before and after the need to install control valves, to ensure that the flowmeter before the straight section ≥ 25D, after the straight section ≥ 5D
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lProduct Selection Chart |
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CH-LU |
Vortex flowmeter |
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caliber (mm) |
10 |
DN10~DN50 (Flange, Clamp, Threaded, Clamped) |
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50 |
DN50~DN150 (Clamping type, flange type) |
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100 |
DN100~DN300(Flange Type, Clamping Type) |
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300 |
DN300Above is the insertion type |
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Installation |
B |
push-pull |
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L |
Flange connection type |
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C |
inserted |
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Mode of compensation |
/ |
uncompensated |
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BC |
Temperature and pressure compensation |
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W |
Single Temperature Compensation |
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Y |
Single pressure compensation |
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Measuring medium |
Y |
fluids |
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Q |
gas (i.e. gaseous substance) |
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Z |
vapor |
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temperature range |
T1 |
Normal temperature type (below 120°C) |
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T2 |
High temperature type (below 250°C) |
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pressure rating |
P1 |
Normal pressure~1.6MPa |
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P2 |
2.5MPa |
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P3 |
4.0MPa |
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Body Material |
A |
carbon steel |
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B |
304 stainless steel |
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C |
316 stainless steel |
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Power supply method |
D |
two-wire systemDC24V 4~20mA |
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H |
two-wire systemDC24V 4~20mA+HART协议 |
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C |
battery powered |
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Additional Options |
R |
RS485 MODBUScommunication protocols |
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M |
pulse output |
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B |
Explosion-proof (ExII CT6) |
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