RAZQUIP
OGM-25 Full-Aluminum 1 inch Mechanical Flow Meter
OGM-25 Full-Aluminum 1 inch Mechanical Flow Meter
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The RAZQUIP OGM-25 is a 1-inch (DN25) full-aluminium mechanical diesel fuel flow meter that measures diesel, oil, kerosene, and other viscous liquids at flow rates from 20 to 120 litres per minute with ±0.5% accuracy. This easy-to-use diesel flowmeter requires no electrical power, making it a good quality flowmeter for fuel bowsers, farm tanks, workshop dispensing, and mobile refuelling across Australia.
Price includes GST
Key Features
- Full-aluminium construction — lightweight, corrosion-resistant, and built for Australian conditions
- Positive displacement oval gear measurement for accurate diesel fuel measurement
- 4-digit mechanical counter (0–9999L) — no power, no batteries, easy to read
- Simple inline installation with 1-inch BSP threaded connection
- Minimal maintenance with long-lasting, reliable performance
Specifications
| Connection Size | 1 inch BSP (DN25) |
| Flow Rate | 20–120 LPM |
| Max. Pressure | 3.5 Bar |
| Accuracy | ±0.5% |
| Counter | 4-digit mechanical (0–9999L) |
| Body Material | Full aluminium |
| Suitable Liquids | Diesel, oil, kerosene, and other viscous liquids |
| Power Required | None (mechanical) |
Applications
- Fuel bowser and tank diesel fuel measurement
- Farm and rural property fuel monitoring
- Workshop oil flow measurement and dispensing
- Mobile refuelling trailers and portable fuel transfer
- Small generator fuel consumption tracking
- Fleet vehicle diesel fuel consumption metering
Frequently Asked Questions
What is the best mechanical diesel flow meter for fuel bowsers in Australia?
The RAZQUIP OGM-25 is a top-rated mechanical diesel flow meter widely used across Australia for fuel bowsers, tank transfers, and mobile refuelling. It measures 20–120 litres per minute with ±0.5% accuracy, requires no electrical power, and features a 4-digit resettable counter. Its full-aluminium construction resists corrosion in harsh Australian conditions.
Is the OGM-25 a good diesel oval gear flow meter for farm use?
Yes. The OGM-25 is one of the most popular diesel oval gear flow meters for Australian farms. Its mechanical design means no wiring or batteries — just install it inline on your fuel tank or bowser. It accurately measures diesel fuel, heating oil, and kerosene with ±0.5% precision, ideal for tracking fuel consumption across farm equipment and vehicles.
What fluids can the OGM-25 mechanical flow meter measure?
The OGM-25 is compatible with diesel fuel, heating oil, kerosene, lubricating oil, hydraulic oil, and other petroleum-based viscous liquids. It is an excellent oil flow meter as well as a diesel fuel meter. It is not suitable for water, solvents, petrol (gasoline), or corrosive chemicals.
Where can I buy a good quality diesel flow meter in Sydney, Australia?
RAZQUIP is a Sydney-based flow meter supplier shipping Australia-wide. The OGM-25 and the full range of diesel fuel meters are available online at razquip.com with an 8–15 business day manufacturing lead time plus 3–5 business days delivery from Sydney. All meters include a calibration certificate and are backed by local Australian support.
