Flange Management
Flange Management is the trading name of Flange Management B.V., an independent engineering firm based in Amsterdam. We specialize in flange joint design, verification and compliance documentation for critical bolted joints.
We don’t just calculate; we document proof. Proof that your flange joints have been engineered, verified and assembled in line with the standards your assets require.
For single-joint calculations, use FlangeUp® Calculators to generate a free preliminary result and optionally order an engineer-reviewed Calculation Report.
What we do
How we work
Where we add value
Why this matters
Flange joints fail on paper long before they fail in the field. Missing documentation, unclear assumptions, or unverifiable calculations expose asset owners to inspection findings, unplanned shutdowns, integrity risks, and liability questions after an incident. Engineering without traceable proof is not finished engineering.
Standards & compliance
We calculate, verify, and document according to the governing standards and codes required by your assets, including European and ASME flange design methodologies, assembly guidelines, and client-specific specifications.
Our deliverables are designed to make compliance explicit, make assumptions visible, and make engineering defensible.
Independent by design
Flange Management operates independently of bolt suppliers, gasket manufacturers, and assembly contractors. Our only interest is engineering correctness and compliance clarity.
Be ready when the evidence is requested
Whether it’s one critical joint or thousands across a site, we help you turn flange engineering into clear, audit-ready proof.