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The working principle of the elliptical gear flow is liquid to push a pair of elliptical gears; the volume of each cavity is a fixed volume; the gear speed is drawn, the sensor is synchronized, and the rotation of the elliptical gear is passed through the magnetic seal coupling and transmission reduction mechanism. Passing to the counter directly indicates the total amount of flow flow meter. If you add a message device, then the electrical display instrument can realize remote transmission is just instantaneous traffic or accumulated traffic.
The working principle of the elliptical gear flow is liquid to push a pair of elliptical gears; the volume of each cavity is a fixed volume; the gear speed is drawn, the sensor is synchronized, and the rotation of the elliptical gear is passed through the magnetic seal coupling and transmission reduction mechanism. Passing to the counter directly indicates the total amount of flow flow meter. If an additional sending device is added, the electrical display instrument can realize remote transmission is just instantaneous traffic or accumulated traffic.
typical application:
The elliptical gear flow meter is mainly used to measure high viscosity media, and the products are widely used in oil, petrochemical, natural gas, chemical, paper and other industries, which are used to measure small flow meter of small pipe diameters.
main advantage:
1, the diameter from 10 ~ 200mm;
2, the shell material has a variety of options: cast iron, cast steel, stainless steel, etc .;
3. There are many options for the quality of the bearing materials: cast iron, cast steel, stainless steel, etc .;
4, the material of the shaft: cast steel, stainless steel;
5, the material of the O-ring is Viton, fluororubber, stainless steel, Teflon supply;
6, measurement ratio 10: 1;
7, accuracy is ± 0.5%, 0.2% three, repeatability ± 0.03%;
8, the viscosity can be up to 3000 cp;
9, the pressure level can be up to 6.4 MPa;
10, the temperature resistance level can be up to -10 ~ 200 ° C.
Features
The flow measurement is independent of the flow state of the fluid, because the elliptical gear flow meter is measured by pressing the head of the test medium pushing the elliptical gear. The harma of the viscosity, the smaller the amount of leakage from the gear and the metering space gap, so the adhesiveness of the nuclear test medium is bigger, the smaller the leakage error is more favorable. The elliptical gear flow meter is high, suitable for measurement of high viscosity medium flow, but is not suitable for fluid containing solid particles (solid particles will die, so that traffic cannot be measured). If a gas is mixed in a liquid medium, a measurement error is also caused. The elliptical gear flow meter is one of a volumetric flow meter, a flow or instantaneous flow of a liquid in a liquid, or an intermittent measuring conduit. It is particularly suitable for flow measurement of high viscosity of heavy oil, polyvinyl alcohol, resin.
Features:
1, high measurement accuracy, wide flow range, good repeatability;
2, the spiral rotor rotates evenly, small vibration, long life;
3. The viscosity change of the test is not sensitive, especially for the measurement of high liquid having a high viscosity;
4, simple structure, small size, light weight;
5, easy to install, do not need to install straight pipe sections before the table;
Flow
| Diameter | viscosity in 8-200mpa.s | viscosity in 8-2000mpa.s | |
| Accurancy | 0.5 0.2 | 0.5 | |
| 10 | 0.04~0.4 | 0.08~0.4 | 0.04~0.2 |
| 15 | 0.15~1.5 | 0.25~1.5 | 0.15~0.75 |
| 20 | 0.3~3 | 0.5~3 | 0.3~1.5 |
| 25 | 0.6~6 | 1~6 | 0.6~3 |
| 40 | 1.5~15 | 2~15 | 1.5~7.5 |
| 50 | 2.4~24 | 3~24 | 2.4~12 |
| 80 | 8~50 | 10~50 | 6~26 |
| 100 | 10~100 | 15~100 | 10~50 |
| 150 | 19~190 | 25~190 | 38~100 |
| 200 | 34~340 | 40~340 | 34~300 |
| Instrument type | standard type, high temperature type, high viscosity type |
| Material | cast iron, cast steel, stailness |
| Display | mechanical type, LED type |
| Power | no power, battery, DC24V |
| Output | no output, 4-20mA |
| installation | horizotal vertical |
| Pressure | 1.6 2.5 4.0 6.3 |
| Protection | IP65 |
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