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Diesel Flow Meters

ULTRAFLO 2" Aluminium Meter, 4 Digit Mech Reg (30-450LPM) BSP FM Thread

Product Code: AF-UF-50A-M

Brand
Ultraflo
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Description

The ULTRAFLO High Capacity Flow Meters boast a a robust aluminium body that enables them to enter a widespread of applications to monitor and control liquid flow.

ULTRAFLO's extensive range of Oil and Fuel Flow Meters is a family of positive displacement dual gear high capacity flow meters incorporating patented innovations and are each individually packed with features that make ULTRAFLO the most sought-after fuel flow meters in the marketplace. Constructed with a robust aluminium body enables the ULTRAFLO meter to enter a widespread of applications to monitor and control liquid flow. Relatively compact and lightweight in construction, The ULTRAFLO High Capacity Flow Meters provide great benefits when used in mobile installations or within confined spaces.

THIS MODEL
ULTRAFLO 2" Aluminium Meter with 4 Digit Mechanical Register (30-450LPM) (AF-UF-50A-M)

  • 30-450 LPM
  • Designed and manufactured to meet the demands of the Australian market conditions
  • All metal rotors
  • IP67 Mechanical Display
  • Common sizes readily available off the shelf
  • Meter options include: integral LCD totaliser, flow rate totaliser, batch controllers & remote mount registers
  • IP67 mechanical displays are suitable in high-pressure wash down applications
  • High accuracy, repeatability & direct reading flow meter.
  • Oval gear technology with low pressure drop can be used in gravity-fed applications
  • No requirement for flow conditioning or straight pipe runs makes them the ideal for compact installations with limited space
  • Robust aluminium mechanical registers
  • 2 year warranty
  • Intrinsically safe for use in hazardous areas

MODELS AVAILABLE
ULTRAFLO 2" Aluminium Pulse Meter (30-450LPM) (AF-UF-50A-P)
ULTRAFLO 1" Aluminium Meter with 4 Digit Mechanical Register (10-150LPM) (AF-UF-25A-M)
ULTRAFLO 2" Aluminium Meter with LCD Register (30-450LPM) (AF-UF-50A-LCD)

Technical Specifications
Brand Ultraflo

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What Is a Fuel Bowser?

A fuel bowser—also known as a fuel dispenser or fuel pump—is a device used to store and dispense fuel safely, including diesel, petrol, or aviation fuel. These units are commonly found at:
  • Service stations
  • Construction and mining sites
  • Agricultural farms
  • Industrial or remote facilities
  • Fuel bowsers can be:
  • Portable units
  • Trailer-mounted tanks
  • Stationary systems with integrated pumps, hoses, and meters
They are essential for refuelling vehicles, machinery, and equipment efficiently. Many fuel bowsers feature:
  • Flow meters
  • Dispensing nozzles
  • Fuel-grade hoses
  • Filtration systems
  • Bunded (double-walled) tanks for spill protection and environmental compliance

How to Operate a Fuel Bowser Safely

Operating a fuel bowser requires strict safety procedures to avoid hazards like fuel spills, fire risks, and environmental damage. Always follow these best practices:
  1. Read Manufacturer Instructions
    Follow all operational and safety guidelines provided by the bowser manufacturer.
  2. Wear PPE (Personal Protective Equipment)
    Use gloves, eye protection, and flame-resistant clothing when handling fuel.
  3. Ensure Proper Grounding
    Ground the bowser to prevent static discharge during bulk fuel transfers.
  4. Turn Off Engines
    Make sure all vehicles or machinery being refuelled are switched off.
  5. Use Certified Components
    Only use nozzles and hoses rated for fuel use; check them for cracks or wear.
  6. Avoid Overfilling
    Monitor sight gauges and flow meters to prevent fuel overflow or spillage.
  7. Keep Fire Extinguishers Nearby
    A Class B-rated fire extinguisher should be easily accessible at all times.
  8. No Ignition Sources
    Enforce a strict no-smoking/no-flame zone around the fuel bowser.
Following these safety steps protects personnel and ensures regulatory compliance.

Fuel Bowser Maintenance Requirements

Routine maintenance extends the life of your fuel bowser and helps prevent operational issues. Include these key tasks in your maintenance schedule:
  • Regular Inspections
  • Check hoses, nozzles, meters, and seals for damage, wear, or leaks.
  • Filter Replacements
  • Change fuel filters regularly to ensure clean fuel delivery.
  • Pump Servicing
  • Test the pump motor, seals, and electrical connections for proper function.
  • Tank Cleaning
  • Clean the fuel tank periodically to remove sludge, water, or algae buildup.
  • Flow Meter Calibration
  • Recalibrate flow meters as needed to ensure accurate fuel measurement.
  • Bunding Inspection (if applicable)
  • Inspect bunded areas for cracks, leaks, and sufficient containment capacity.
A well-maintained fuel bowser operates more efficiently, reduces downtime, and ensures workplace safety.


What Is a Digital Fuel Meter?

A digital fuel meter is a precision instrument designed to measure and display the volume of fuel dispensed from tanks, pumps, or fuel transfer systems. Unlike mechanical meters, digital fuel meters use electronic sensors and LCD or LED displays to provide accurate, real-time readings of fuel flow.
Common Use Cases:
Digital fuel meters are commonly used in:
  • Service stations
  • Mining and construction refuelling setups
  • Agricultural fuel trailers
  • Workshops and fleet depots
These meters are compatible with a range of fuels including diesel, petrol, kerosene, biodiesel, and even AdBlue, depending on the model. They are often installed inline and can be paired with electric or manual pumps.
How Accurate Are Digital Fuel Meters?
Digital fuel meters are highly accurate, typically providing measurement accuracy within ±0.5% to ±1.0%, depending on the brand and calibration. This level of precision makes them ideal for commercial fuel dispensing, where exact measurement is essential for:
  • Inventory tracking
  • Billing accuracy
  • Regulatory compliance
Factors That May Affect Accuracy:
  • Fuel viscosity and temperature
  • Flow rate and pressure
  • Calibration and maintenance frequency
Leading digital meter brands offer consistent and repeatable results, which is crucial for industries that require traceable fuel usage and accountability, especially in sectors such as mining, transport, and agriculture across Australia.
Can Digital Fuel Meters Be Calibrated?
Yes, digital fuel meters can and should be calibrated periodically to maintain accuracy and meet industry standards—particularly in commercial or regulated environments.
Typical Calibration Procedure:

  1. Use a known volume container (e.g. 20L test bucket)

  2. Dispense fuel through the meter

  3. Compare the meter reading to the actual volume

  4. Adjust calibration settings using onboard buttons or software (depending on model)

Some advanced models offer automatic calibration features or external calibration ports for easier servicing.
Why Calibration Matters:
Regular calibration ensures:
  • Accurate fuel tracking
  • Prevention of billing disputes
  • Compliance with Australian measurement standards and environmental regulations
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