1.Oval Gear Flowmeter is a high precision measuring instrument for continuous measurement of liquid flow in pipeline.
2.Oval Gear Flowmeter has a large range, small pressure loss, viscosity adaptability, can measure high temperature, high viscosity liquid, easy calibration, easy installation and many other advantages, is the representative product of positive displacement flowmeter.
| Accuracy class： | class 0.5, class 0.2 |
| Ambient temperature: | -40℃~60℃ |
| Medium temperature: | -20℃~+60℃, under high temperature adjustment, the heat sink can be reached by adding high temperature 60℃～200℃. |
| Signal output: | 4-20mA analog signal, pulse signal, RS485, HART, etc. are available for selection. |
| Explosion proof sign: | Exd IIC T6 Gb，Exdb IIC T6 Gb |
| protection grade: | IP66 |
The LC series Oval Gear Flowmeter, optional intelligent electronic counter, can directly read the total accumulation of flow on the flowmeter, instantaneous flow. After external power supply, pulse and current signal can be output, HART communication and RS485 communication output can also be realized; An optional mechanical counter can directly display the cumulative flow of liquid flowing through the pipe. For different liquids (acid, alkali, salt, organic solution, etc.) flow meters can be selected from different materials (cast iron, cast steel, aluminum alloy, stainless steel, etc.).
The LC series Oval Gear Flowmeter is suitable for flow measurement in petroleum, chemical, chemical fiber, transportation, commerce, food, medicine and other industrial sectors.
The application scope is very wide.
The Oval Gear Flowmeter consists of a flow transmitter and a counting mechanism. The main part of the transmitter is composed of a measuring chamber equipped with a pair of elliptical gear rotors and a sealing coupling. The counting mechanism includes decelerating mechanism, precision adjusting mechanism, counter and electric pulse transmitter and other components.
1.Counter 2.Sender unit 3.Precision regulator 4.Seal the coupling 5.Front cover
6.Cover plate 7.Oval gears 8.Shell 9.Back cover
| Shell and Cover | Cover plate | Oval wheel | Rotary shaft | Shaft sleeve | Nominal pressure（MPa） | |
| LC-A | Cast iron | Cast iron | Cast iron Stainless steel Alloy aluminum | Stainless steel | Bronze(with oil) or rolling bearing | 1.6 |
| LC-E | Cast steel | Cast iron | Under DN50 6.3；DN80-100 4.0 6.3；DN150-200 2.5 | |||
| LC-Q | Cast iron/Cast steel | Cast iron | Graphite | 1.6 | ||
| LC-B、C | Stainless steel | Stainless steel | Stainless steel | Graphite、rolling bearing | Under DN50 2.5；Above DN80 1.6 | |
| Notes：1. 022Cr17Ni12Mo2（316L）for type LC-C； 06Cr19Ni10（304） for type LC-B。2. Flanges below 2.5MPa are protruded; 6.3MPa flanges are concave and convex; 4.0MPa flanges are available in two forms. | ||||||
| Type | DN | Viscosity (mPa. s) | Standard counter | |||||||
| 0.3~0.6 | 0.6~2 | 2~200 | 200~1000 | 1000~2000 | ||||||
| LC-10Ⅱ | 10 | 0.08-0.25 | 0.1-0.25 | 0.05-0.25 | 0.08-0.25 | 0.05-0.25 | 0.03-0.05 | 0.02-0.05 | BELZ | |
| LC-10 | 10 | 0.2-0.5 | 0.15-0.5 | 0.1-0.5 | 0.1-0.5 | 0.05-0.5 | 0.06-0.3 | 0.03-0.3 | 0.03-0.2 | BELZ/A |
| LC-15 | 15 | 0.75-1.55 | 0.5-1.5 | 0.3-1.5 | 0.3-1.5 | 0.15-1.50.3-3 | 0.2-1.0 | 0.1-1.0 | 0.07-0.7 | |
| LC-20 | 20 | 1.5-3 | 1-3 | 0.5-3 | 0.5-3 | 0.3-31.5-15 | 0.4-2.1 | 0.2-2.1 | 0.15-1.5 | |
| LC-25 | 25 | 3-6 | 2-6 | 1-6 | 1-6 | 0.6-61.56-15 | 0.8-4.2 | 0.4-4.2 | 0.3-3 | |
| LC-40 | 40 | 7.5-15 | 5-15 | 2.5-15 | 2.5-15 | 1.5-15 | 2.1-10.5 | 1.0-10.5 | 0.7-7.5 | |
| LC-50 | 50 | 8-24 | 8-24 | 4.8-24 | 4.8-24 | 2.4-24 | 2.4-16.8 | 1.6-16.8 | 1.2-12 | BELZ/J1/A5 |
| LC-B40、50 | 40、50 | 6-20 | 6-20 | 4-20 | 4-20 | 2-20 | 2.8-14 | 1.4-14 | 1.0-10 | |
| LC-65 | 65 | 20-40 | 15-40 | 8-40 | 8-40 | 4-40 | 5.6-28 | 2.8-28 | 2-20 | |
| LC-80 | 80 | 30-60 | 20-60 | 12-60 | 12-60 | 6-60 | 8.4-42 | 4.2-42 | 3-30 | |
| LC-100 | 100 | 50-100 | 34-100 | 20-100 | 20-100 | 10-100 | 14-70 | 6-70 | 5-50 | |
| LC-150 | 150 | 95-190 | 64-190 | 38-190 | 38-190 | 19-190 | 26.6-133 | 13.3-133 | 9.5-95 | |
| LC-200 | 200 | 170-340 | 114-340 | 56-340 | 56-340 | 34-340 | 47.6-238 | 23.8-238 | 17-170 | |
| Accuracy class | 0.5 | 0.2 | 0.5 | 0.2 | 0.5 | 0.2 | 0.5 | 0.5 | ||
Special instructions are mainly for some identification of special products, requiring to appear behind the product number to distinguish. Example Product number: 0908001 MI
| MI | HG | SH | SM | AS | JS |
| War industry | Chemical industry | Petrochemical | Ships’service | American Standard | Japanese standard |
Reliable Remote Signal Output for Liquid Flow Measurement
Liquid flow meters are widely used in water treatment, chemical dosing, food processing, and industrial pipelines. To meet modern monitoring requirements, liquid flow meters are equipped with multiple signal transmission options for long-distance and real-time data collection.
Application Value:
Seamless Integration into Automated Liquid Control Systems
Liquid flow meters play a key role in automated process control, especially where precise flow regulation is required.
Fully compatible with PLC systems (Siemens, Schneider, Mitsubishi, Allen-Bradley, etc.)
Supports SCADA and DCS platforms for centralized control and visualization
Enables automatic valve and pump regulation based on real-time flow feedback
Suitable for closed-loop control in dosing, mixing, and filling processes
Automation Benefits:
Smart Liquid Flow Measurement with IoT Connectivity
IoT-enabled liquid flow meters allow users to monitor liquid flow data anytime and anywhere.
IoT Advantages:
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