Oval Gear Flow Meter
Flowtel Engineering’s Oval Gear Flow Meter is a high-precision positive displacement flow meter designed for accurate measurement of liquids across various industrial applications. Its oval gear mechanism ensures reliable flow measurement regardless of viscosity changes, making it ideal for oils, fuels, chemicals, solvents, and other liquids. Built with robust construction and advanced engineering, it delivers excellent repeatability, low pressure drop, and long-term performance even in demanding operating conditions.
Oval Gear Flow Meter
Code: OGFM-FL, Model: FE-DFM
Flowtel Engineering’s Oval Gear Flow Meter is a high-precision positive displacement flow meter designed for accurate measurement of liquids across various industrial applications. Its oval gear mechanism ensures reliable flow measurement regardless of viscosity changes, making it ideal for oils, fuels, chemicals, solvents, and other liquids. Built with robust construction and advanced engineering, it delivers excellent repeatability, low pressure drop, and long-term performance even in demanding operating conditions.
Product Details
Technical Data Sheet
- Enclosure : Aluminum anodize/S.S-304/S.S-316
- Rotor : Aluminum anodize/S.S-316/PPS
- O-ring : NBR/Viton
- Shaft : Hard Stainless Steel-316
- Accuracy (standard installation position) : ±1% RS /0.15% FSD
- Repeatability : 0.1%
- Maximum working pressure : 5 MPa for aluminum body, 25 MPa for S.S. body, above 250 bar please contact us.
- Fluid &Ambient temperature : -40 to80°C
- Power voltage : Battery operated
- Connection : Thread (M/F) or flange
1) Pulse output sensor :
- Power voltage: 12 V DC
- Output signal: NPN open connector
- Output:
- High electric level : High than 8 VDC( input voltage 12 VDC)
- Low electric level : lower than 0.8 VDC( input voltage 12 VDC)
2) Battery operated meter :
- Power voltage: 3.3 V10AH lithium batteries can be used more than 5 years in a row.
- display mode : Double row Liquid Crystal Display (LCD), as follows:
- L XXX. X four instantaneous flow (m3 / h) or L/h
- XX. XXXXXX eight cumulative flow (m3) or L
- Cumulative flow: automatically expand the display precision, the cumulative flow values can be reset.
- Power-fail protection: instrument coef
3) Display with 4 to 20 mA Output
- Power voltage: 24 V DC Output signal: 4 TO 20 mA / RS485
Oval Gear Flow Sensor
| Model No | Line Size | Range |
| FE-DFM-03 | 4mm-- 1/4” Thread | 0.05-30L/H |
| FE-DFM-04 | 4mm-- 1/4” Thread | 0.2-60L/H |
| FE-DFM-06 | 6mm-- 1/4” Thread | 5-150L/H |
| FE-DFM-08 | 8mm-- 3/8” Thread | 20-300L/H |
| FE-DFM-012 | 12mm-- 1/2” Thread | 50-1200L/H |
| FE-DFM-020 | 20mm-- 3/4” Thread | 150-2,000L/H |
| FE-DFM-025 | 25mm-- 1” Thread | 200-4,000L/H |
| FE-DFM-040 | 40 mm-- 1.5” Flange | 500-10,000L/H |
| FE-DFM-050 | 50 mm-- 2” Flange | 600-20,000L/H |
| FE-DFM-080 | 80 mm-- 3” Flange | 1,000-50,000L/H |
| FE-DFM-0100 | 100 mm-- 4” Flange | 2,000-100,000L/H |
| FE-DFM-0150 | 150 mm-- 4” Flange | 5,000-150,000L/H |
Calibration process
- Calibrated each fow sensor with three pressure point : 0.5, 4 and 25 bar ,
- All pressure calculate pulse/litter at : 25%, 50%, 75% and 100% ow rate
- Calibrated with pure diesel
Application:
- Aluminum body and rotor : Flow measurements of kerosene, Gasoline, diesel, light oil, heavy oil
- S.S. body and rotor : Flow measurements of Pharmaceutical drug, food oil, and all application
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