Valves in energy and infrastructure: replacement, documentation and custom solutions
With valves in energy and infrastructure installations, it rarely starts with a blank sheet. Usually there is an existing installation and a concrete reason: a recurring problem, a valve type that is no longer available, or a planned replacement. The task is then a fitting, well-substantiated solution that drops into the existing pipework without redesigning the installation. Government and utility cover as broad a range of applications as industry: in principle everything.
An existing installation, not a blank sheet
Management and replacement are the normal starting point. Something is at play in an installation that is already running. That sets different requirements than new-build: the face-to-face length is fixed, the flanges and connection dimensions are fixed, and the installation must be out of service as briefly as possible. The solution has to conform to what is there.
Maintenance without shutting down the whole installation
In a running installation, downtime is expensive. A block valve that can be locked in the closed position allows maintenance or an intervention downstream while the line upstream stays under pressure — without draining or shutting down the entire system. And for valves in hard-to-reach positions — deep underground or elevated — installation and removal costs weigh heavily; precisely there, a well-considered, reliable and maintainable design pays off. Accessibility and maintainability therefore belong early in the assessment, not as an afterthought.
First the cause, then the valve
A valve that repeatedly fails — cavitation, valve slam, accelerated wear, a failing actuator — is often a symptom, not the disease. Replacing it one-for-one with the same type repeats the problem. The gain lies in understanding what happens in the line and adapting the valve choice to it: a different type, a different characteristic, a better match to the operating conditions. Sometimes the simplest intervention is the best — provided it addresses the cause.
Phased out or no longer available
Installations last decades; manufacturers and types do not always. When the original type is no longer available, the question is not “what looks like it” but “what is functionally equivalent and fits”. Face-to-face length, flange standard, pressure and temperature class and the actuation must all match, so the valve can be deployed without modifying the pipework or controls. A well-chosen alternative avoids the civil and pipework alterations that would otherwise make a seemingly simple replacement expensive and intrusive.
When standard will not do: custom solutions
Sometimes nothing comes off the shelf — not as a replacement, and sometimes not for a new application either. EURAD then engineers a custom valve: a valve built to the specific conditions and requirements. That ranges from a replacement that is not available as standard anywhere, to bespoke work for the most demanding environments, where dimensions, materials and qualification are specified down to the detail. The common thread stays the same: fitting, substantiated and documented.
The paperwork side: certification and documentation
For an asset owner the valve is only half; the paperwork is the other half. The asset dossier itself is and remains the end user’s — but it stands or falls on the documentation supplied per product. EURAD delivers what belongs to its scope of supply: material certificates (EN 10204 3.1), the declaration of conformity or CE declaration where applicable, and traceability to exactly what was delivered. That way the owner can slot those documents into their own dossier without gaps, and ten or twenty years on it is still traceable what was applied and why.
Large projects often run through a main contractor
In practice, on larger projects the execution is often placed with a main contractor. EURAD’s role is then to provide the technical substantiation and documentation that lets the owner or engineering firm specify a solution — which the contractor can then carry out without friction. Good substantiation up front prevents discussion and extra work afterwards.
Where this applies
Energy and infrastructure are broad: from power stations and heat and district-heating networks to pumping stations, locks and other water-management structures. The common thread is not the sector but the situation: an existing installation, a concrete problem or a replacement, and the requirement that the solution fits, is substantiated and keeps working. Government and utility are, in this, just like industry — in principle everything.
Selection per situation
Installation, operating conditions, available space and documentation requirements together determine the choice. EURAD advises and supplies on the basis of the application, with the corresponding certification and product documentation — traceable to what was delivered, so that it fits seamlessly into your asset dossier.
