If you're looking for a general review of the standard, here's some information:
Here are some potential points to consider in a review:
A new clause has been added to address specialized symbols for vacuum pumps and gauges.
Modifiers to specify the type of media (hydraulic, pneumatic, electric) or physical properties (flexible, bus types). Application and Harmonization iso 146173 pdf updated
The most significant development is a major restructuring. The original have been consolidated and replaced by a new, two-part structure:
As of 2026, has been withdrawn and replaced by the newly published ISO 14617-2:2025 .
Utilizing an outdated or obsolete version of this standard can lead to serious errors in technical documentation. If you're looking for a general review of
: The updated version emphasizes a risk-based approach to surveillance, enabling organizations to identify and prioritize high-risk areas.
Having a unified standard means that an engineer in Moscow, Tokyo, or New York can read the exact same electrical, pneumatic, or hydraulic diagram and interpret the connections without language barriers. Key Symbols Covered in the Standard
: Standardized representations for flow lines, crossings, and t-junctions. Mechanical Links : Physical coupling between mechanisms. The original have been consolidated and replaced by
Are you updating a or a specific set of P&ID drawings to comply with these new 2025 standards?
If you could provide more context or clarify what specific aspects of the standard you're interested in (e.g. changes in the updated version, technical details, applications, etc.), I'd be happy to try and assist you further.