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Oil Control Guns

AFLO stocks a comprehensive range of genuine Graco products to support all your fluid handling and workshop needs.

Shop all Graco Products

GRACO EM8 Electronic Manual Oil/Antifreeze Meter - Flexible Extension - 1/2" - NPT

Product Code: AF-G-25C904

Brand
Graco
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Description

EM Series handheld and in-line meters are designed to last from small service centers and lubrication trucks to heavy-duty repair facilities. Choose from 8 or 20 gpm (30.3 to 75.7 lpm) hand-held models or our 20 gpm (75.7 lpm) in-line meter. Graco s EM Series meters are backed by our robust warranty and feature upgraded electronics and easy-to-read LCD with simple operator controls that measures in quarts, gallons, pints and liters.

  • Twist-Close Nozzle Prevents Leaking - Multiple extensions available including rigid, flexible and gear lube.
  • High-Flow Rates - Capable of up to 8 gpm (30.3 lpm).
  • Legacy Valve - 1/2 inch (13 mm) inlet, compatible with Oil and Antifreeze.
  • Prevent Accidental Dispenses - Easy-to-hold locking handle.
  • Proven in Harsh Conditions - Sealed electronics (IP69K) are protected against direct pressure washing and dust.
  • Long Battery Life - Features upgraded electronics and easily replaceable AAA batteries.
Technical Specifications
Brand Graco

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Graco Fluid Handling Solutions – Available at AFLO

Discover AFLO’s premium range of Graco fluid handling equipment, engineered for reliable performance across industrial, automotive, fleet servicing, and workshop environments. From oil and grease pumps to air-operated diaphragm pumps, fluid control meters, and lubrication systems, Graco products deliver exceptional efficiency, durability, and precision.

Graco equipment is ideal for demanding industries like mining, agriculture, and manufacturing. Shop confidently at AFLO, where you’ll find trusted Graco solutions backed by local support and expert advice.

Oil & Grease Pumps

Graco Fire-Ball Series (300 & 425)

    • Fire-Ball 425 (6:1, 10:1, or 75:1) – Designed for high-volume dispensing, these pumps feature a large air motor and corrosion-resistant components, ideal for fleet servicing and busy workshops.

    • Fire-Ball 300 (50:1) – A workshop favourite for consistent grease dispensing, offering long-term reliability with minimal maintenance requirements.

Graco LD Series Universal Oil Pump (3:1)

    • A cost-effective pump solution with thermal relief, built-in strainer, and a dirt-resistant pilot valve. Ideal for light-duty oil dispensing with great serviceability.

Diaphragm Pumps (Diesel & Fluid Transfer)

Graco Husky Air-Operated Diaphragm Pumps

    • Husky 716 (¾″ Aluminium) – Compact, leak-free, and low-pulsation, this model handles up to 61?L/min, perfect for oil, diesel, or antifreeze.

    • Husky 2150 (2″ Aluminium, Geolast) – High-flow (up to 568?L/min), energy-efficient, and easy to service. Built for large-scale fluid transfer applications.

    • Husky 15120 (Polypropylene / PVDF) – Designed for chemical handling, offering up to 120?GPM flow and up to 5× longer diaphragm life with stall-free operation.

Metering & Fluid Control Hardware

Graco Pulse Wireless Oil Gun (¾″ BSPT, High Flow)

    • A digital dispense gun with LCD display, PIN control, and high-flow output (68?L/min). Perfect for connected Pulse systems and multi-bay workshop use.

Graco EM8 Electronic Oil/Antifreeze Meter (½″ NPT)

    • A handheld metered gun with multi-unit LCD readout, twist-close nozzle, and IP69K rating—designed for accurate and robust performance in high-volume bays.

Graco Pulse Hub (FMS EU)

    • A centralised interface for managing Pulse systems—track dispense volumes, automate workflows, and improve fluid inventory visibility across your network.

Pulse Pro Extender / Repeater – Wall Mount (FMS AUS)

    • Extends Pulse coverage by 100+ metres. Ideal for large workshops or facilities with multiple service areas.

Hose Reels & Valves

Graco XD40 & XD50 Hose Reels

    • Available in various hose sizes (25 mm–38 mm), these reels are engineered with heavy-duty spools, ribbed frames, and full-flow swivel joints—ideal for diesel, oil, air, or water in harsh conditions.

Graco 4-Way Evacuation Valve (1″ NPT)

    • A self-sealing, flow-efficient valve that simplifies tank filling and emptying with minimal product loss. Quick to install and ideal for waste/recovery systems.

Why Choose Graco at AFLO?

  • Robust Engineering
    Built for longevity, with corrosion-resistant materials like stainless steel, nitrided surfaces, and anodised aluminium.
  • Scalable Systems
    Graco’s Pulse platform is designed for growth—supporting large dispense networks with automated tracking and integration.
  • Australian-Ready Support
    AFLO stocks parts locally and provides expert advice to ensure your Graco system runs smoothly under Australian conditions.


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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