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gasoline flow meter 1/2 inch
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gasoline flow meter 1/2 inch
# Quick Answer
A gasoline flow meter with 1/2 inch (DN15) connection is suitable for flow rates from 20 to 200 L/h at pressures up to 20 bar. For diesel and gasoline dispensing, transfer, or blending applications, oval gear flow meters and Coriolis mass flow meters are the most common choices. Send us your pressure (bar), temperature (°C), pipe size (DN), and flow range for a quote.
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## What Is a Gasoline Flow Meter 1/2 Inch
A gasoline flow meter 1/2 inch is a flow measurement device with a 1/2 inch (DN15) female or male thread connection, designed to measure the volume or mass of gasoline and other petroleum products. The most common types for this application are oval gear positive displacement meters and Coriolis mass flow meters.
Flow range for 1/2 inch gasoline flow meters typically falls between 10 and 300 L/h, depending on viscosity and pressure. Most customers in Southeast Asia and the Middle East use these meters for diesel dispensing, gasoline transfer from storage tanks, and blending operations.
## Why 1/2 Inch Connection
The 1/2 inch connection matches standard pipe sizes for small flow applications. In a gasoline station or a small fuel dispensing system, the pipe work is often 1/2 inch to reduce cost and handle flow rates below 300 L/h.
A customer in Indonesia last year asked us for a 1/2 inch gasoline flow meter to measure fuel dispensed from an above-ground storage tank to pickup trucks. The system ran at 3 bar and 25 C. The oval gear meter worked well because of its ability to measure low flow rates accurately.
Here is the thing. Many engineers assume a 1/2 inch flow meter is too small for diesel applications. But for flows between 30 and 150 L/h, 1/2 inch
is actually the standard size.
## Oval Gear Flow Meter for Gasoline 1/2 Inch
Oval gear flow meters are the most common choice for gasoline flow measurement with 1/2 inch connections. They work by trapping a fixed volume of liquid between two rotating oval gears. Each rotation corresponds to a known volume.
For gasoline, oval gear meters handle viscosities from 0.4 to 500 cP. Most gasoline at 20 C has a viscosity around 0.5 to 0.6 cP. This is within the range of oval gear meters, but you need to check the meter specification for low viscosity fluids.
Silver Instruments supplies oval gear flow meters in 1/2 inch size with pulse output and 4-20 mA HART. The housing material is aluminum or 304 stainless steel. For gasoline, aluminum is common because it resists corrosion from the fuel.
One specific model we recommend is the OGM-015 with 1/2 inch BSP thread. It handles flow from 20 to 200 L/h at pressures up to 100 bar. Accuracy is plus or minus 0.5 percent of reading. This model has a mechanical register and a pulse output for remote monitoring.
A paint manufacturer in Thailand uses this model to measure solvent and gasoline mixture in their blending line. They run at 15 bar and 40 C. The meter has been running for three years with no issues.
### Key Parameters for Oval Gear Gasoline Flow Meters
- Pipe size: 1/2 inch DN15
- Flow range: 20 to 200 L/h for standard models
- Accuracy: plus or minus 0.5 percent
- Pressure rating: up to 100 bar
- Temperature range: minus 20 to 120 C
- Output: pulse 4-20 mA HART
- Material: aluminum or 304 stainless steel
- ATEX certification: Zone 1 for gasoline environments
## Coriolis Mass Flow Meter for Gasoline 1/2 Inch
Coriolis mass flow meters measure mass flow directly, not volum『SILVER Official Website SERVICE』
User:flowgauge1dad8Last Time:07/24/2026
