October 29, 2026
"Do I need ASME or PED?" is one of the most common questions we receive from overseas buyers — and the honest answer is: neither is universally "better". The certificate you need is determined by the pressure vessel regulations of the country where the tank will be installed, not by preference, price, or the supplier's convenience. Choose the wrong scheme and the vessel cannot be legally commissioned, no matter how well it is built.
This article explains how certification selection actually works: the design standards behind every certificate, the major national schemes, the extra requirements that catch buyers out (NB registration, CRN, safety valves), and the one timing rule that cannot be reversed.
Modern low- and medium-pressure vessel design follows one of two approaches:
This article focuses on design by rule, because that is what virtually every air receiver tank requires. There are three dominant rule-based design standards in the world today:
| Standard | Region of Origin | Notes |
|---|---|---|
| GB 150 | China | China's national pressure vessel standard; widely used for vessels manufactured and installed in China and accepted by several Asian and African markets |
| ASME Boiler & Pressure Vessel Code, Section VIII | United States | The most internationally recognised code; Section VIII Division 1 is the standard basis for most exported air receiver tanks |
| EN 13445 | European Union | The European harmonised standard used to demonstrate conformity under the PED |
Most countries in the world accept vessels designed and manufactured to one of these three standards. National certification schemes are then built on top of one of these design bases — which is why the design standard decision comes first, and the certificate follows from it.
Once the design basis is fixed, the destination market determines which certificate is issued. For exported air receiver tanks we normally design and manufacture to ASME Section VIII Division 1, then obtain the destination country's certification on that basis. The same certifications can also be obtained on a GB 150 design basis where the market accepts it.
| Market | Certificate | Key Requirement |
|---|---|---|
| United States | ASME U Stamp | Manufactured by an ASME-certified shop with an authorised inspector; plus NB (National Board) registration |
| Canada | CRN (Canadian Registration Number) | Requires ASME U Stamp and NB registration first — CRN cannot be obtained without them |
| European Union | PED (2014/68/EU, CE marking) | Design to EN 13445 (or ASME with a PED design review), notified body involvement depending on category |
| Malaysia | DOSH registration | Approval for use under the Factories and Machinery Act |
| Singapore | MOM registration | Approved pressure vessel registration before installation |
| Brazil | NR-13 compliance | NR-13 is the Brazilian regulatory standard for pressure vessels and boilers |
| Russia / EAEU | CU-TR (EAC) | Eurasian Customs Union technical regulation certification, mandatory for customs clearance |
For the US market, a U Stamp alone is not always the end of the story: many jurisdictions also require National Board registration. The good news is that NB registration is flexible in timing:
But for Canada there is no flexibility at all: CRN certification requires both the ASME U Stamp and NB registration. Without them, a CRN cannot be issued — so if your project is destined for Canada, plan for U Stamp + NB + CRN from the very beginning.
Buyers often focus entirely on the vessel and forget that the safety valve is itself a special equipment item with its own certification requirements, determined by local law:
A vessel that arrives with an uncertified safety valve can fail inspection just as easily as an uncertified tank. Always specify the valve certification together with the vessel certification.
Everything above applies to land-based (fixed) pressure vessels. For marine pressure vessels installed on ships, offshore units or marine platforms, the rules are different: the vessel must be certified by a classification society.
Classification society certification cannot be replaced by a fixed-vessel certificate such as ASME U or PED — a class surveyor must witness and approve the design, materials, welding and testing against the society's own rules. The major societies we can work with include:
If the end use is clearly a marine application, state it at the enquiry stage: a fixed pressure vessel standard cannot substitute for class certification, and the two cannot be swapped after the fact.
The single most important practical point in this entire article: product certification must be raised during the design stage.
Certification is not a sticker added at the end. It involves design review, material traceability, welding procedure qualification, authorised inspector witnessing, hydrostatic testing and document packages — all of which must be planned before manufacturing starts. Once the vessel is completed or shipped, no certification body can retroactively certify it. A finished, uncertified tank going to a regulated market is effectively scrap: it cannot be legally installed, and it cannot be fixed by paperwork afterwards.
So when you send an enquiry, include three things: destination country, design pressure and volume, and whether the application is land-based or marine. Those three answers determine the design standard, the certificate, the safety valve approval and the inspection route — and they must all be settled before the first plate is cut.
We design and manufacture air receiver tanks to GB 150 and ASME Section VIII Div. 1, and hold ASME U, PED (CE), DOSH, MOM, CRN, CU-TR and GB/TZ certifications, with marine class certification available on request. Send us your destination country and duty conditions, and our engineers will confirm the correct standard and certificate before you place the order — contact us for a free quotation within 24 hours.
