Flomec AIM Block (Additive Injection Manifold)

AIM Block (Additive Injection Manifold)

The AIM Block from Flomec is a compact manifold assembly which injects small quantities of modifying additives and performance enhancing agents into fuels and base products.

Benefits:

High accuracy & repeatability (±1%)
Compact stainless steel design with stainless gears
All valve assemblies and the meter are detachable
Modular process connections (directional)
Simple to install, easy to service in situ
ATEX/IECEx approved Explosion-proof

We deliver directly and globally to end-users, agents, and resellers.
Contact us at marine@insatech.com.

High accuracy and repeatability

The Compact Aim Block is an all stainless steel assembly complete with isolating, flow regulating and check valves, as well as a fine mesh strainer, solenoid valve and a precision oval gear flowmeter.

The inlet and outlet elbows can be placed in three different orientations, which provides flexibility in the installation process. Thus, as all assemblies are modular to the manifold it can be changed instantly in-situ.

The AIM Block, furthermore, functions well with all controller or TAS systems, where it will work as a combined slave assembly to accurate bland fuel additives to fuels in loading facilities, stationary, and mobile transfer units.

The accuracy and repeatability are, therefore, very high (±1%).

Typical Applications

The AIM Block can inject small amounts of the following into fuels and base products:

Lubricants
Dyes
Colorings
Denaturants
Detergents
Odorizing
Anti-freeze
Anti-corrosion
Anti-static
Anti-detonating
Anti-icing
Anti-foaming
Emulsifiers.

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Precision and control

The precision of the oval gear positive displacement flowmeter is central to the AIM Block because it has a solid state style NPN Hall Effect pulse output, with the option of an Exd explosion proof terminal housing.

Even a high injection pressure the solenoid valve provide minute proportion control, which is a nother crucial element for the AIM Block. The Solenoid has a fast direct acting valve with an FFKM (Kalrez) seat, that allows for high velocity flows through a small 3mm or 5mm orifice. This is essential to the control.

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Choose the right Flowmeter

The Oval Gear Meters use a measuring principle, where a pair of oval-shaped gears in a measuring chamber rotate by the force of the liquid on these. The liquid flows into a chamber and is sealed off once the chamber is full and produces either an electronic pulse or drives a gear to register the volume as it exits the chamber.

As illustrated in the example on the right, the pulse is generated because the (green) liquid is sealed from both the inlet (red liquid) and exit (blue liquid). This set up would produce four pulses as the meter transmits four identical volumes for every cycle.

Thus, it matters which Flowmeter you choose because the simplest meters register each time a bucket is filled. Here the total volume would be the sum of the number of buckets filled. In the complex meters the discrete volumes passed each time can be summed together to see the overall volume passing through the meter.

See all Oval Gear Flow Meters here

FLOMEC® AIM Block (Additive Injection Manifold)

Product Configuration

PRODUCT IDENTIFIER [1]
AIM = Additive Injection Manifold

METER SIZE [2]
004 = 1/8 in. (4 mm), 0.26-9.5 GPH (1-36 L/hr)
006 = 1/4 in. (6 mm), 0.5-27 GPH (2-100 L/hr)
008 = 3/8 in. (8 mm), 4-145 GPH (15-550 L/hr)

SEAL MATERIAL [3]
1 = FKM (Viton™) (standard for Alum.) -5º F minimum (-15º C)
3 = Chem-Kit, comprises Teflon & Perfluorelastomer (Kalrez-Kemraz) O-rings -5º F minimum (-15º C)

METER PROTECTION APPROVAL [4]
1 = IECEx / ATEX approved

CABLE ENTRIES [5]
1 = M20 x 1.5 mm
2 = 1/2 in. NPT

SOLENOID VALVE VOLTAGE [6]
1 = 24V (dc) x 9W coil (maximum operating pressure 100 psi [7 bar])
2 = 110-115V (ac) / 60 hz x 8W coil (maximum operating pressure 295 psi [20 bar])
3 = 220-230V (ac) / 50 hz x 8W coil (maximum operating pressure 295 psi [20 bar])

SOLENOID VALVE PROTECTION APPROVAL [7]
1 = IECEx / ATEX approved coil

SOLENOID VALVE ORIFICE [8]
3 = 3 mm (V (dc) coil = 100 psi [7 bar], V (ac) coil = 145 psi [10 bar] max. differential pressure)
5 = 5 mm (V (dc) coil = 50 psi [3.5 bar], V (ac) coil = 123 psi [8.5 bar] max. differential pressure)

INTEGRAL OPTIONS [9]
0 = Hall Effect output
HR = High resolution Hall Effect output (Not available for AIM008)

FAQ

Key Features of Flomec Flow Meters

The FLOMEC OM Series is an oval gear meter designed for accurate measurement of clean liquids, including gasoline, diesel fuel, and other petroleum-based products, as well as chemicals and food-grade fluids.

What industries typically use FLOMEC oval gear meters?

A: These meters are commonly used in marine fuel consumption monitoring, industrial process control, chemical dosing, and food & beverage production.

How does a FLOMEC oval gear meter work?

The OM Series uses precision oval gears that rotate as liquid flows through, accurately measuring each volume of liquid. The high repeatability and accuracy (±0.5% of reading) make it suitable for critical applications.

What flow rate range does the OM Series support?

Depending on the OM Series model, flow rates range from 1 L/min to 2,500 L/min, making it versatile for various fluid transfer applications.

What materials are available for the FLOMEC OM Series?

The FLOMEC oval gear meters are available in different materials, including stainless steel for aggressive chemicals and hygienic applications, aluminum for fuels like gasoline and diesel fuel, and PPS (polyphenylene sulfide) for cost-effective solutions.

What is the pressure rating of the FLOMEC OM Series flow meters?

The maximum pressure rating varies by model, with some meters handling pressures up to 1,000 PSI (69 bar).

Can the OM Series measure high-viscosity liquids?

Yes, FLOMEC oval gear meters are ideal for measuring high-viscosity fluids such as oils, lubricants, and syrups, with minimal pressure drop.

What types of fluids can the FLOMEC OM Series measure?

These meters are designed for clean liquids such as:

Fuels – Gasoline, diesel fuel, kerosene, and jet fuel
Chemicals – Solvents, coolants, and acids (with appropriate materials)
Food-grade liquids – Syrups, oils, and dairy products

What output options are available for the FLOMEC OM Series?

The OM Series offers pulse output, making it easy to connect to PLCs, fuel consumption monitoring systems, and remote displays.

What power supply is required for pulse output models?

The pulse models typically operate on 5–24V DC, depending on the specific configuration.

How is the OM Series installed?

The meter should be installed horizontally or vertically, ensuring proper flow direction, avoiding air bubbles, and allowing for accurate fuel consumption measurement.

Maintenance Tips for Optimal Performance

These meters are designed for long-term reliability with minimal maintenance, but periodic cleaning and inspection of the oval gears and seals can help maintain accuracy.

What should I do if my FLOMEC flow meter is not providing accurate readings?

Check for:

Proper installation (eliminating trapped air and flow pulsations)
Correct calibration for the liquid being measured
Debris or wear affecting the oval gears

Can I recalibrate my FLOMEC OM Series flow meter?

Yes, the meter can be field-calibrated to ensure repeatability and accuracy over time.

Selecting the Right Meter for Your Needs

Selecting the correct model depends on factors like fluid type, pressure requirements, flow rate, material compatibility (stainless steel, aluminum, PPS), and output needs.

For technical questions

Martin Søvind Jensen

Tel: +45 2761 4502

Email: Martin.Sovind@insatech.com

Write to Martin

For commercial inquiries

Astrid Mihut

Tel.: +45 5537 2095

Email: Marine@insatech.com

We Deliver Directly to End Customers, Resellers, and Agents – Globally

At Insatech, we are proud to offer our high-quality products to all customers worldwide. Whether you’re an end customer, a reseller, or an agent, you can purchase directly from us.

By choosing us, you gain direct access to all our products, eliminating the need for intermediaries. Our global distribution possibilities ensure fast and reliable delivery to your doorstep, wherever you are.

We strive to make it easy for you as an end consumer to find the products you are looking for while supporting agents and resellers looking to grow their business. Whether you’re buying for your use or resale, we’re here to meet your needs.

Discover how simple it is to work directly with a trusted global distributor – shop with confidence at Insatech today!

Technical Specifications
Normal Size:	1/8"(4 mm) - 3/8" (8 mm)
Process Connections:	3/8 in. NPT Elbows, 3x 90˚ orientation positions
Flow Range*:	0,26 - 145 GPH (1-550 L/hr) *Maximum flow is to be reduced as viscosity increases, see flow de-rating guide.
Accuracy: @3cP	±1%
Repeatability:	0.25% reading
Temperature Range:	5˚ to 149˚ F (-15˚ to 65˚ C)
Max. Pressure (Static):	440 psi (30 bar)
Max. Pressure (Operating):	DC Solenoid Coils; 100 psi (7 bar) AC Solenoid Coils; 295 psi (20 bar)
Hall Effect*:	AIM004: 10600 (2800) AIM006: 3975 (1050) AIM008: 2650 (710) *Electrical Output Resolution - Nominal Pulses per Gallon (Pulses / L)
High Resolution*:	AIM004: 42400 (11200) AIM006: 15900 (4200) AIM008: n/a *Electrical Output Resolution - Nominal Pulses per Gallon (Pulses / L)
Hall Effect Output (NPN):	3 wire open collector, 5 - 24V (dc) max, 20mA max
Protection Class:	IP66/67 (NEMA 4x); EXd I/II T3...T6

Model/ Type
Product Identifier	AIM: Additive Injection Manifold
Meter Size	004: 1/8 in. (4 mm), 0.26-9.5 GPH (1-36 L/hr) 006: 1/4 in. (6 mm), 0.5-27 GPH (2-100 L/hr) 008: 3/8 in. (8 mm), 4-145 GPH (15-550 L/hr)
Seal Material	1: FKM (Viton™) (standard for Alum.) -5º F minimum (-15º C) 3: Chem-Kit, comprises Teflon & Perfluorelastomer (KalrezKemraz) O-rings -5º F minimum (-15º C)
Meter Protection Approval	1: IECEx / ATEX approved
Cable Entries	1: M20 x 1.5 mm 2: 1/2 in. NPT
Solenoid Valve Voltage	1: 24V (dc) x 9W coil (maximum operating pressure 100 psi [7 bar]) 2: 110-115V (ac) / 60 hz x 8W coil (maximum operating pressure 295 psi [20 bar]) 3: 220-230V (ac) / 50 hz x 8W coil (maximum operating pressure 295 psi [20 bar])
Solenoid Valve Protection Approval	1: IECEx / ATEX approved coil
Solenoid Valve Orifice	3: 3 mm (V (dc) coil = 100 psi [7 bar], V (ac) coil = 145 psi [10 bar] max. differential pressure) 5: 5 mm (V (dc) coil = 50 psi [3.5 bar], V (ac) coil = 123 psi [8.5 bar] max. differential pressure)
Integral Options	0: Hall Effect output HR: High resolution Hall Effect output (Not available for AIM008)

Specifications & Manuals

Data Sheet - Compact AIM Block - Flomec
English | pdf

Download
Owners Manual - Compact AIM Block - Flomec
English | pdf

Download

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