Progresso at SABIC: Reactor Head Dismantling & Reassembly
Every hour counts during critical maintenance operations. At SABIC Gelsenkirchen, J. de Jonge | Progresso. carried out the dismantling and reassembly of a reactor head and end plate, secured with 80 x 2-inch studbolts. With only five working days available, safe and precise execution was essential. Five bolting specialists used HYTORC equipment and Simultorc […]
Engineering Design for Pipeline Renewal
At JMEC Engineering, part of J. de Jonge Mechanical, we deliver integrated engineering solutions that enhance reliability, safety, and long-term performance within complex brownfield environments. A recent project focused on the renewal and redesign of an aging pipeline system, combining two vegetable oil lines into one coordinated scope. The objective was to restore integrity […]
J. de Jonge Mechanical Secures Cooling Tower Reconstruction Project
We are proud to announce that J. de Jonge Mechanical has been awarded a new project for the replacement and reconstruction of a cooling tower installation. The project includes the installation of a new cooling tower consisting of three modular cooling cells, which will be placed on the existing concrete water basin. Our scope […]
Project Update: Amsterdam Tank Terminal Infrastucture
The first milestones have been reached in the prefabrication of piping for a major infrastructure project in Amsterdam’s tank terminal sector, at our Fabrication Yard in Vlaardingen. A manifold measuring approximately 28 × 11 metres, featuring 12″, 16″ and 20″ piping with complex geometries, is currently being assembled. The system will be fully fabricated, hydrotested and […]
Precision Restoration of a Heat Exchanger Gasket Face
A heat exchanger with a damaged tubesheet gasket surface came to our new Koggehaven workshop and required restoration. After weld build-up to repair the packing face, the surface had to be machined back to specification. Limited accessibility due to internal tube coating prevented installation of a conventional flange facing machine. Protecting the coating was […]
Meet the Team: Sergio, Supervisor
At J. de Jonge, industrial projects are driven by people who grow, take ownership, and make things happen every day. Today we feature Sergio, who has been with us for one year and is developing towards Project/Construction Manager. Since joining, he has taken on the role of Supervisor: from preparing quotations and planning activities […]
HLP & JRS Stronger Together
From May 1st, J. de Jonge HLP and J. de Jonge JRS continue together under one name: J. de Jonge HLP. This strategic merger brings together expertise, experience and operational capacity, further strengthening our position as a total solutions partner for industrial pump systems, service and maintenance. The organization is led by Business Unit […]
Meet the Team: Nikos, Project Engineer Mechanical
Meet Nikos, Project Engineer Mechanical in our Southwest region, who has been part of J. de Jonge for almost three years. At J. de Jonge, everything revolves around people who take initiative and contribute to safe and successful projects, and Nikos is a great example of that. What makes his role stand out? The […]
J de Jonge Progresso: Valve Reliability First
From May 4 to June 26, 2026, J. de Jonge | Progresso. supports EP NL with on-site valve testing, overhaul, and certification. Valve revision is performed in two 20-foot mobile workshop containers, creating controlled conditions on-site, supported by Appendagerevisie Peene BV. Using VENTIL test benches and lapping tools, valves are safely tested and […]
Turnaround succes by J. de Jonge Mechanical
Our Mechanical team has successfully completed a turnaround at one of our key locations. The full mechanical scope was executed with a strong focus on safety, quality, and efficiency, and delivered on time and within budget. With the support of our business units Progresso, we performed on-site machining, while our Heat Exchanger Services (HES) […]
