Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of lc oval gear flow meter in China. Welcome to buy high quality lc oval gear flow meter in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
Technical Specifications
| Item | Specification |
|---|---|
| Measuring Principle | Volumetric - paired oval gears rotate in a measuring chamber; each full revolution displaces 4 crescent-shaped cavities |
| Accuracy Class | 0.5 / 0.2 (optional) |
| Nominal Diameter (DN) | DN10 – DN200 (light-duty and heavy-duty versions) |
| Nominal Pressure | Cast iron: 1.6 MPa; Cast steel / Stainless steel: 1.6 / 2.5 / 4.0 / 6.3 MPa |
| Medium Temperature | Standard pointer: −20 ~ 80 °C; High-temp pointer: −20 ~ 200 °C |
| Standard LCD: −20 ~ 60 °C; High-temp LCD: −20 ~ 150 °C | |
| Medium Viscosity Range | 0.6 – 2 mPa·s (low viscosity); 2 – 200 mPa·s; 200 – 1000 mPa·s; 1000 – 2000 mPa·s (ultra-high viscosity) |
| Explosion-proof Rating | Ex ia Ⅱ C T5; DⅡ BT4 |
| Output Signals | GF pulse transmitter: pulse output (max. transmission distance 1000 m) |
| MF converter: 4–20 mA (2-wire / 3-wire); configurable flow coefficient and range limits | |
| Power Supply | GF pulse transmitter: DC 12–24 V; MF converter: DC 24 V (typical) |
| Display Options | LC11: local mechanical / LCD display only |
| LC12: local display + pulse + 4–20 mA output | |
| LC13: no local display; pulse + 4–20 mA output only | |
| Factory Calibration Medium | Diesel oil (cast-iron and cast-steel models must not be calibrated with water) |
| Verification Regulation | JJG 667-2010 (liquid volumetric flowmeters) |
Features
- Wide measuring range and high measuring accuracy; accuracy classes: 0.5 and 0.2.
- Low pressure loss, excellent viscosity adaptability; capable of measuring high‑viscosity and high‑temperature liquids.
- Convenient on‑site calibration and simple installation.
- Equipped with mechanical pointer counter for local display; external transmitters can be added to realize remote transmission for total flow, quantitative control and instantaneous‑flow monitoring.
- Various housing and rotor material options for corrosive, high‑pressure, low‑viscosity and other working conditions.
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