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Mechanical Oval Gear Flow Meter
1.Product Introduction
Oval gear flow meter is a volumetric meter for continuous or intermittent measurement and control of liquid flow in a pipeline. It has many advantages, such as large range, high accuracy, small pressure loss, strong viscosity adaptability, measurement of high temperature and high viscosity liquid, convenient calibration, installation suggestion and so on. It is suitable for flow measurement in petroleum, chemical, chemical fiber, transportation, commerce, food, medicine and health departments.
LC series oval gear flow meter is equipped with a pointer and printing wheel accumulation device, and can directly display the liquid accumulation flow through the pipeline on the spot. The accumulative, quantitative and instantaneous flow remote transmission control can be realized by attaching the transmitter and the electric display instrument to the counting mechanism. High temperature and high viscosity liquid can be measured by adding radiator or ellipsoid undertooth.
The flowmeter for different liquids (acids, bases, salts, organic solutions, etc.) can be made of different materials.
2. Working Principles
The metering chamber has a crescent cavity composed by a pair of oval gear and cover plate as the metering unit of flow. The oval gear is rotated by the pressure difference between the inlet and outlet of the flowmeter so that the liquid is continuously measured by the crescent cavity and sent to the outlet. The liquid that flows every turn is four times of the crescent cavity. By sealing coupling, the total number of turns of oval gear and the speed of rotation are sent to the counting mechanism or transmitter. Thus, we can know the total amount of liquid and instantaneous flow through the pipeline.
3.Technical Parameter
Material |
Cast Iron |
Cast steel |
Stainless Steel |
Pressure |
1.6MPa |
1.6/2.5/4.0/6.3MPa |
1.6/2.5/4.0/6.3MPa |
Temperature |
Conventional pointer type: -20~+80； High-temperature pointer type: -20~+200； Conventional LCD type: -20~+60； High-temperature LCD type: -20~+150； |
||
Application |
High temperature and high viscosity liquid |
||
Diameter |
DN10-DN200 mm |
||
Accuracy |
0.5% or 0.2% (customized) |
||
Connection |
Flange |
||
Flange |
Standard: DIN (GB) Or Customized (JIS or ANSI) |
||
Mechanical Oval Gear Flow Meter
4.Flow range
Diameter |
Viscosity: 0.6—2mPa. |
Viscosity: 2—200mPa. |
Viscosity: 200—1000mPa. |
Viscosity: 1000-2000mPa.s |
DN10 |
0.2-0.4 m3/h |
0.08-0.4 m3/h |
0.04-0.3 m3/h |
0.03-0.2 m3/h |
DN15 |
0.6-1.5 m3/h |
0.3-1.5 m3/h |
0.2-1.0 m3/h |
0.1-0.7 m3/h |
DN20 |
0.8-3 m3/h |
0.6-3 m3/h |
0.4-2.1 m3/h |
0.25-1.5 m3/h |
DN25 |
1.2-6 m3/h |
0.8-6 m3/h |
0.6-4.2 m3/h |
0.6-3 m3/h |
DN40 |
5-15 m3/h |
3-15 m3/h |
2.1-10.5 m3/h |
1.0-7.5 m3/h |
DN50 |
6-24 m3/h |
4-24 m3/h |
2.4-16.8 m3/h |
2-12 m3/h |
DN65 |
10-40 m3/h |
8-40 m3/h |
6-28 m3/h |
4-20 m3/h |
DN80 (light) |
10-40 m3/h |
8-40 m3/h |
6-28 m3/h |
4-20 m3/h |
DN80 (heavy) |
15-60 m3/h |
10-60 m3/h |
8-42 m3/h |
6-30 m3/h |
DN100 |
30-100 m3/h |
15-100 m3/h |
10-70 m3/h |
10-50 m3/h |
DN150 |
45-190 m3/h |
34-190 m3/h |
27-133 m3/h |
19-95 m3/h |
DN200 |
68-340 m3/h |
56-340 m3/h |
48-238 m3/h |
34-170 m3/h |
5.Factory workshop
Tianjin Yiman Instrument Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, sales and service of industrial automation instruments. Founded in 2014, the company is committed to ensuring the trust foundation in industrial production processes through innovative and reliable precision measurement technology. We firmly believe that with advanced fluid measurement solutions, we can help our customers achieve operational excellence and sustainable development.
The company's main products include vortex flow meters, gas turbine flowmeters, gas ultrasonic flowmeters, thermal gas mass flowmeters, gas Roots flowmeters, liquid turbine flowmeters, electromagnetic flowmeters, and pressure sensors, etc.
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