About Us

Technical specialists in heat exchangers for the maritime and industrial sectors

Since 1996, Donker Fuel BV has specialized in the manufacture, repair, and overhaul of heat exchangers and high-pressure fuel lines for maritime and industrial applications.

With decades of practical experience, in-house manufacturing, and technical expertise, Donker supports customers throughout Europe with reliable solutions focused on performance, continuity, and sustainability.

Based on technical knowledge and practical experience.

Heat exchangers and fuel systems operate under demanding conditions where reliability is crucial.

Donker combines technical expertise with practical workshop experience to manufacture and overhaul components that meet the operational requirements of maritime and industrial facilities.

By using high-quality materials, modern manufacturing techniques, and short lines of communication, we help customers maintain reliable system performance with efficient delivery times and dependable technical support.

Specializing in manufacturing and overhaul

Donker Heat Exchangers focuses on:

Each project is approached from a technical perspective, with an emphasis on operational reliability, cooling performance, and long-term sustainability.

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Comprehensive technical database and application knowledge

Donker uses a comprehensive technical database containing specifications for a wide range of engine types and cooling systems.

Thanks to this knowledge, we can:

Combined with our experience in both maritime and industrial environments, this forms the basis of our technical approach.

High-quality materials and certified manufacturing.

All products are manufactured using high-quality materials selected for demanding maritime and industrial conditions.

To ensure reliable delivery times, we keep commonly used materials in stock at our own factory.

Products can be supplied in accordance with the required certification standards and approvals.

Double-walled fuel lines come standard with Lloyd’s approval.

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Strategically located near the Port of Rotterdam

Donker is located near the Rotterdam ring road, which ensures excellent accessibility for customers, suppliers, and transportation partners.

Thanks to this strategic location, we are able to support maritime and industrial customers throughout Europe with efficient logistics and technical service.

Are you looking for a technical partner for heat exchangers or cooling systems?

Our specialists support maritime and industrial customers with solutions for manufacturing, repair, and overhaul, focused on reliability and operational continuity.