CRN for Non-Standard and Non-Code Pressure Components

Reviewed by Dhruv Barot, P.Eng. · Last updated: March 1, 2026

Some pressure components (innovative designs, specialty geometries, or components designed to non-ASME standards) do not fit neatly into established ASME code rules but still require CRN registration in Canada. Kopfkino specializes in developing alternative design justifications for non-standard and non-code pressure components.

Alternative Design Justification Pathways

• FEA-based design (ASME VIII Division 2 Part 5): applicable to most geometries
• Proof pressure testing: hydrostatic or pneumatic proof testing above MAWP
• Burst testing with safety factors: commonly used for fittings
• Experimental stress analysis: strain gauge testing on representative prototype
• Precedent analysis: comparison to similar established design

Non-ASME Code Components

Components designed to EN 13480 (European piping), PD 5500 (British vessels), or AD 2000 (German vessels) can be registered in Canada if the designer demonstrates equivalence to ASME code requirements. Kopfkino prepares equivalence analyses for European-designed pressure equipment.

Frequently Asked Questions

Can a pressure component designed to EN 13480 get a CRN in Canada?

Yes, with additional justification demonstrating the design meets or exceeds ASME code requirements. Kopfkino prepares code comparison analyses for European-designed pressure equipment.

"The single most expensive CRN mistake we see is treating registration as an afterthought. Design for CRN from day one: pick your provinces early, align the calculations with CSA B51 before the drawings are finalized, and most submissions clear review in a single comment round."