Fuel Purification Solutions

Filterless Diesel Fuel Purification for Reliable, Low-Maintenance Operation

Designed For Technical Professionals

Our fuel purification solutions serve engineers and operators across industries

Marine operators & ship owners

Power plants & generator operators

Industrial facilities

Fleet & fuel storage operators

Maintenance and reliability engineers

Why Fuel Purification Matters

Water and heavy contamination in diesel fuel cause filter clogging, bacterial growth, and costly downtime.

Water and sediment reaching the engine

Microbial growth (diesel bug) in fuel systemsMicrobial contamination (diesel bug)

Premature filter clogging

Water ingress and corrosion

Injector and fuel pump wear

Engine downtime and unexpected failures

Non-compliance with operational standards

ANKORZ Solution Overview

ANKORZ supplies Dieselcraft filterless fuel purifiers that separate free water and heavy contamination before fuel reaches the engine filtration system.

Remove 99% of waterDetect microbial contamination

Remove 95–98% of heavy particles

Measure water content in ppm

No replaceable filter element

Verify fuel clarity and condition

Five-year warranty

Make informed maintenance decisions

How Filterless Purification Works

Dieselcraft's filterless purifiers use gravity and extended residence time to separate water and heavy contamination from diesel fuel — no filter cartridge, no moving parts, no electrical connection.

Fuel Enters the Purifier

Diesel fuel enters through the forged-steel NPT inlet under normal system flow — no pump or filter cartridge required to begin separation.

Extended Residence Time

Fuel slows inside a large-volume separation chamber, giving water and heavy particles time to separate by gravity before reaching the outlet.

Gravity Separation Through Proprietary Media

Denser water and heavy contaminants settle downward through Dieselcraft's proprietary separation media — a physical process, not a filter cartridge.

Contaminants Collect at the Base

Free water and particulate accumulate in the purifier's lower chamber, isolated from the clean-fuel path to the outlet.

Routine Drain via Bottom Valve

Operators periodically open the bottom drain valve to remove accumulated water and sediment — no filter element to replace, clean, or dispose of.

Purified Fuel Continues Downstream

Clean diesel — up to 99% of water and 95–98% of heavy particles removed — exits through the outlet to the engine, generator, pump, or storage tank.

Fuel Purifiers

Filterless purification for stationary diesel pumps, generators, and equipment

Dieselcraft 5×16 Fuel Purifier – Compact High-Flow

Purpose:

Filterless purifier that separates free water and heavy contamination from fuel before it reaches the engine.

When to Use:

No filter element to change — ever

Dieselcraft 5×24 Fuel Purifier – Mid-Length

Purpose:

Mid-capacity filterless purifier for circulation pumps, removing water and solids before engine filtration.

When to Use:

Maintenance-free protection, no filter element

Dieselcraft 5×32 Fuel Purifier – Maximum Residence-Time

Purpose:

Maximum residence-time purifier for higher-flow systems, maximizing water and contaminant separation.

When to Use:

Longest residence time in the 5-inch series

Dieselcraft 8×30 Fuel Purifier – 8-Inch Filterless

Purpose:

8-inch filterless purifier for high-horsepower diesel equipment, removing water and heavy particles in one step.

When to Use:

One-step protection for high-horsepower diesels

Dieselcraft 8×51 Fuel Purifier – 8-Inch Filterless

Purpose:

Highest-flow 8-inch filterless purifier, built for demanding stationary diesel applications.

When to Use:

Maximum flow capacity in the purifier lineup

Questions & Answers

Common questions about filterless fuel purification and Dieselcraft's technology

What is a filterless fuel purifier, and how is it different from a fuel filter or water separator?

A Dieselcraft filterless fuel purifier separates free water and heavy contamination from diesel fuel using a long residence-time chamber and proprietary separation media — not a replaceable filter cartridge. Unlike a conventional spin-on fuel filter or coalescing water separator, there is no filter element to buy, stock, or change; contamination and water settle out and are removed through a bottom drain valve. This eliminates recurring filter-replacement cost and the risk of a clogged filter starving the engine of fuel. ANKORZ, as Dieselcraft’s Strategic Fuel Solutions Partner across Saudi Arabia, the UAE, Qatar, Oman, and Bahrain and the wider Middle East, supplies the full Dieselcraft filterless purifier range for stationary diesel systems.

Which Dieselcraft purifier model fits my pump flow rate and engine size?

Model selection is based on maximum flow rate (GPM) and the stated engine horsepower range: the 5×16 (15 GPM, 400–1,200 HP) suits compact stationary pumps and generators; the 5×24 (20 GPM, 600–1,500 HP) suits circulation pumps rated 4–7 GPM; the 5×32 (18 GPM, 600–1,500 HP) suits higher-flow pumps rated 8–18 GPM needing maximum residence time; the 8×30 (25 GPM / 1,500 GPH, 1,200–2,000 HP) suits stationary pumps, gen sets, locomotives and fuel docks; and the 8×51 (40 GPM / 2,400 GPH, 1,200–2,000 HP) is the highest-flow unit for high-volume fuel docks and continuous-duty stationary systems. ANKORZ can match flow rate and engine range to the correct model for a Gulf-region installation.

How much maintenance does a Dieselcraft purifier need if there is no filter element?

Maintenance is limited to periodically draining accumulated water and sediment from the bottom drain valve — there is no filter cartridge to replace, clean, or dispose of. All Dieselcraft purifiers in the range carry a five-year warranty and are rated to remove 99% of water and 95–98% of heavy particles from diesel fuel, so drain frequency depends on fuel quality and contamination load rather than a fixed filter-change interval.

Can Dieselcraft fuel purifiers be used with gasoline?

No. Dieselcraft purifiers are designed and rated for diesel fuel; the 8×30 and 8×51 models are explicitly stated as not for use with gasoline, and the same diesel-only design applies across the 5-inch series (5×16, 5×24, 5×32).

How should a Dieselcraft purifier be installed — orientation, inlet/outlet size, and clearance?

All models install vertically with a bottom drain valve, using forged-steel NPT inlet/outlet connections (1/2 in. on the 5×16, 1 in. on the 5×24 and 5×32, 2 in. on the 8×30 and 8×51). Overall height ranges from about 17.8 in. (5×16) to 35.86 in. (5×32) in the 5-inch series, and about 31.93 in. for the 8×30 tank; the 8×51 adds adjustable legs bringing port height to 42.6–46.6 in. Sufficient vertical clearance and access to the bottom drain valve should be planned for at installation.

What is the difference between fuel purification and fuel polishing?

Fuel purification (this product line) is inline, continuous, filterless separation of free water and heavy contamination from fuel as it flows toward the engine, with no moving parts beyond the drain valve. Fuel polishing is a separate, typically portable or skid-mounted process that circulates fuel out of a storage tank, through filtration and/or water removal, and back into the tank to clean up bulk stored fuel — see ANKORZ’s Fuel Polishing Solutions for tank-cleaning systems.

Why do stationary diesel systems in the Gulf need fuel purification even with clean delivered fuel?

Standby generators, belly tanks, and bulk diesel storage across Saudi Arabia, the UAE, Qatar, Oman, and Bahrain often sit idle between uses while ambient temperatures swing significantly day to night, causing condensation inside the tank. This water ingress promotes microbial growth and sediment buildup over time even when fuel was clean at delivery. A Dieselcraft purifier installed ahead of engine filtration continuously removes this water and heavy contamination before it can damage injectors, fuel pumps, or filters.

What percentage of water and contamination does a Dieselcraft purifier remove?

Every model in the Dieselcraft filterless purifier range — 5×16, 5×24, 5×32, 8×30, and 8×51 — is rated to remove 99% of free water and 95–98% of heavy particles from diesel fuel before it reaches the engine’s own filtration system.

Does a Dieselcraft purifier need electrical power to operate?

No. Separation relies on gravity and residence time as fuel flows through the chamber — there are no moving parts, filter media, or electrical components in the purifier itself. Water and sediment collect at the bottom and are removed through the manual drain valve.

Ready to Protect Your Fuel System?

Contact our team for fuel purification solutions tailored to your operational needs.

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