Eu Pressure Equipment Directive CE Marking Services
EU Pressure Equipment Directive (PED) CE marking work is not a single test or a certificate purchase. For pressure equipment and assemblies within Directive 2014/68/EU, market readiness depends on a controlled sequence: confirm the regulatory route, freeze the design inputs, build the technical evidence, coordinate any required notified-body or recognised-third-party activities, close manufacturing and final assessment records, issue the EU declaration of conformity where applicable, and release the correct marking and instructions.
This page focuses on that execution chain. It does not replace a full classification or gap-analysis engagement, and it does not turn detailed laboratory and retest planning into a generic checklist. Those adjacent tasks are linked where they become decision inputs.
1. Intake gate: convert product data into an executable PED route
The service should start with a controlled intake pack, not with booking a test. The PED applies to the design, manufacture and conformity assessment of stationary pressure equipment and assemblies with maximum allowable pressure (PS) above 0.5 bar, but the next route still depends on the equipment type, fluid, pressure/volume or pressure/DN relationship, and whether Article 4(1), Article 4(2) or Article 4(3) applies.
| Intake item | Why it is needed | Execution output |
|---|---|---|
| Equipment type and intended use | Separates vessels, piping, safety accessories, pressure accessories and assemblies and identifies obvious scope exclusions. | Scope statement and product boundary. |
| PS, TS, volume (V) and/or nominal size (DN) | Feeds the Article 4 thresholds and Annex II classification tables. | Classification data sheet with calculation basis. |
| Fluid identity, physical state and CLP hazard classification | Determines Group 1 or Group 2 and may change the applicable category. | Fluid-group rationale and source record. |
| Series, one-off or assembly configuration | Affects module practicality, sampling/visit planning and assembly assessment. | Conformity-assessment route shortlist. |
| Materials, joining, NDT and critical suppliers | Identifies evidence that must be available before manufacturing gates close. | Supplier/evidence register and approval plan. |
| Target EU/EEA markets and user languages | Instructions and safety information may need the language determined by the Member State of supply. | Release-language matrix. |
Route boundary: if classification, scope or applicable legislation is still disputed, resolve that issue before locking the execution plan. A separate PED consulting and classification review should own the deeper strategy question. This service page uses the confirmed or provisionally documented route to run the work.
A critical early distinction is Article 4(3). Equipment or assemblies below or equal to the Article 4 thresholds are handled under sound engineering practice rather than the Article 14 category/module system, and they must not carry the PED CE marking, without prejudice to CE marking required by other applicable EU legislation.
2. End-to-end execution workflow
- Freeze the regulatory baseline. Record the PED scope conclusion, equipment/assembly boundary, fluid group, category or Article 4(3) status, selected conformity-assessment module, applicable essential safety requirements and the standards/specifications being relied on.
- Map external approvals before fabrication. Identify whether the selected route requires a notified body, and whether permanent-joining procedures/personnel or NDT personnel need third-party approval. Confirm the chosen body's PED notification scope in NANDO before committing the project.
- Open the technical file and evidence register. Create controlled document numbers, revision status, owner, required reviewer and closure evidence. Missing design calculations, material traceability or joining records should be visible before production creates an irreversible bottleneck.
- Coordinate design review, procurement and manufacturing holds. Link drawings, calculations, risk assessment, material specifications, WPS/PQR and personnel qualifications, NDT plan, safety accessories and inspection/test plan to explicit hold points.
- Execute inspection and testing in the correct sequence. Final assessment under Annex I includes final inspection and a pressure-containment proof test, normally hydrostatic unless that is harmful or impractical and an acceptable alternative with additional measures is used. Module-specific witnessing, sampling or quality-system activities must be scheduled before the relevant stage is closed.
- Close conformity assessment. Resolve nonconformities, collect notified-body certificates/approvals/reports where the chosen module requires them, confirm that the manufactured configuration matches the assessed configuration, and close the evidence register.
- Release the market pack. For Article 4(1)/(2) equipment and assemblies, complete the EU declaration of conformity, CE marking and applicable notified-body identification number, instructions/safety information, traceability markings and the retained technical file. Release only after all gating items are closed.
3. Responsibility and handoff matrix
A service provider can coordinate the process, but the legal manufacturer cannot outsource its core responsibility for conformity. The practical way to avoid gaps is to assign each deliverable before work starts.
| Workstream | Manufacturer | Service coordinator | Notified/recognised body or specialist |
|---|---|---|---|
| Product definition and intended use | Approves and owns inputs. | Structures intake and flags missing facts. | May clarify assessment scope where engaged. |
| PED route and module | Accepts the route used for conformity. | Documents category/module basis and dependencies. | Confirms its own competence/scope for contracted tasks. |
| Design and risk evidence | Provides/approves design evidence. | Controls dossier completeness and revisions. | Reviews where required by the chosen module. |
| Joining/NDT approvals | Ensures qualified procedures/personnel are used. | Schedules approvals and links certificates to production records. | Performs approvals required by Annex I for the relevant categories. |
| Inspection and final assessment | Provides compliant product and records. | Coordinates hold points, witnessing and closure. | Performs module-specific assessment or third-party tasks. |
| EU declaration and CE release | Signs/assumes responsibility and releases the product. | Runs the final completeness check. | Supplies the certificates/approvals needed for the selected route. |
4. Document flow: build the technical file while the product is being built
For Article 4(1)/(2) products, the manufacturer must prepare technical documentation and retain it together with the EU declaration of conformity for 10 years after placement on the market. The exact module changes the assessment records, but an execution file normally needs a controlled chain covering:
- scope, intended use, product identification and configuration baseline;
- risk analysis/risk assessment and the applicable PED essential safety requirements;
- general arrangement and manufacturing drawings, calculations and design assumptions;
- applied harmonised standards or other technical specifications, with revision/status recorded;
- material specifications, certificates and traceability from receipt through final test where relevant;
- permanent-joining procedures and personnel approvals, heat-treatment records and NDT evidence where relevant;
- inspection, test and final-assessment records, including proof-test evidence;
- notified-body certificates, approvals and reports required by the selected module, plus the final EU declaration, marking data and instructions.
Do not treat a supplier certificate as automatically proving PED compliance. The coordinator should map each document to the PED requirement or module activity it is intended to support and record any limitation, missing traceability or scope mismatch.
5. Test and submission sequence by route
The category controls the permitted conformity-assessment procedures. The manufacturer may select among the procedures allowed for that category, or a procedure available for a higher category where the Directive allows it.
| PED status/category | Route available under Article 14 | Execution consequence |
|---|---|---|
| Article 4(3) | Sound engineering practice; outside the Article 14 category/module route. | No PED CE marking. Keep the scope rationale, safe-use instructions and manufacturer identification controlled. |
| Category I | Module A. | Internal production control; no notified body is built into Module A, but the manufacturer must still establish the technical documentation and satisfy the applicable essential requirements. |
| Category II | A2, D1 or E1. | Choose the route before finalising the inspection/quality plan because supervised checks or quality-system assessment affect handoffs. |
| Category III | B (design type)+D; B (design type)+F; B (production type)+E; B (production type)+C2; or H. | Design/type, production, verification or quality-system evidence must be aligned to the selected combination before manufacturing closure. |
| Category IV | B (production type)+D; B (production type)+F; G; or H1. | Plan the notified-body interface early; design examination or unit verification/full-QA activities can become critical-path gates. |
This table is a route map, not a substitute for a detailed test plan. Sample selection, test method, witness points, retest logic and laboratory evidence should be handled in the PED testing services workflow.
Where harmonised standards are used to support presumption of conformity, verify the references currently published in the Official Journal. The Commission's harmonised-standards list for PED was recast in Implementing Decision (EU) 2025/165 and amended in 2026, so a project should record the standard edition and OJ status rather than relying on an old internal list.
6. Bottlenecks and change control
Many PED delays are not caused by the final proof test. They arise because a design or supplier change invalidates evidence that was already reviewed. Every material change should enter a documented impact review before release.
| Change trigger | What must be rechecked | Typical release risk |
|---|---|---|
| PS, TS, V, DN or fluid changes | Scope, fluid group, Article 4 thresholds, category and module. | The project may be executing the wrong route. |
| Material grade/specification or thickness change | Design calculations, material route, traceability and joining compatibility. | Previously accepted design/material evidence may no longer cover the product. |
| Welding/brazing procedure, personnel or fabrication-site change | Required procedure/personnel approvals and production records. | Permanent joints may lack valid approval for the actual production configuration. |
| NDT method, extent or personnel change | NDT plan, personnel approval where required and acceptance criteria. | Final evidence may not match the assessed manufacturing plan. |
| Safety accessory or assembly integration change | Protection against permissible-limit exceedance and global assembly assessment. | A component-level CE file may not prove the changed assembly is compliant. |
| Standard revision or technical-specification change | Applicable requirements, presumption-of-conformity status and design gaps. | An old standard reference may no longer support the intended claim at release. |
7. Market-readiness gate: what must be closed before release
- The final manufactured configuration matches the configuration assessed in the technical file.
- Category/module or Article 4(3) rationale is documented and any required notified body is confirmed for the relevant PED scope.
- Design, materials, joining, NDT, inspection and final-assessment records are complete and traceable.
- All nonconformities and deviations have a documented disposition and, where necessary, notified-body acceptance.
- The EU declaration of conformity is complete for Article 4(1)/(2) products and identifies the applicable legislation and conformity route.
- CE marking and any required notified-body identification number are applied only when the route permits and requires them; Article 4(3) equipment is not given a PED CE mark.
- Instructions and safety information are complete for the destination market, and the retention package is archived for the required period.
If the unresolved issue is strategic route selection, use the PED consultant page. If the unresolved issue is test evidence and witness/retest planning, use the PED testing page. For a wider non-PED CE project spanning multiple directives, see general CE marking services. This page owns the operational handoffs needed to move a confirmed PED route to market readiness.
Official sources
- Directive 2014/68/EU — consolidated version of 30 May 2026 (EUR-Lex)
- European Commission — Pressure Equipment Directive sector page
- European Commission — harmonised standards for pressure equipment
- Implementing Decision (EU) 2025/165 — current consolidated PED harmonised-standards decision
- European Commission — notified bodies and NANDO
FAQ
Does every PED project require a notified body?
No. The required route depends on the PED status and category. Category I uses Module A, which is internal production control. Categories II–IV use the procedures listed in Article 14, many of which include notified-body involvement. Article 4(3) equipment follows sound engineering practice rather than the Article 14 module route. Separate third-party approvals can also be required for permanent joining or NDT personnel in the categories specified by Annex I.
Can a manufacturer book the pressure test first and complete the file later?
That is risky. The proof test is only one part of final assessment. If material traceability, approved joining procedures/personnel, required NDT, design evidence or module witness points were not controlled earlier, a successful pressure test may not close conformity. The execution plan should define hold points before fabrication starts.
Do CE-marked components automatically make a pressure assembly PED-compliant?
No. Article 14 provides a global conformity assessment for assemblies. Previously assessed and separately CE-marked items can be inputs, but integration of the components and protection against exceeding permissible operating limits still have to be assessed as required for the assembly.
What happens if a design changes after notified-body review?
Run a documented impact assessment before release. Changes to pressure/temperature, fluid, dimensions, material, joining, NDT, safety accessories, manufacturing site or relied-on standards can affect classification, essential safety requirements, approvals or the certificate/quality-system scope. The notified body should be consulted where the selected procedure or approval is affected.
Can Article 4(3) equipment carry CE marking under the PED?
No. Article 4(3) equipment is designed and manufactured according to sound engineering practice and does not bear the CE marking referred to by the PED. Other EU legislation may independently require CE marking, so the product's complete regulatory scope still has to be checked.