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Tag: pn16 vs class 150

All articles tagged with "pn16 vs class 150".

All Cost Estimating Supplier Qualification Digitisation Contracts & Post Award Risk & Resilience Process Excellence RFQ & Tendering Supplier Relationships

Forged steel weld neck flanges with raised faces and drilled bolt holes stacked on a pallet in a pipe fabrication workshop, beside a blind flange and a spiral wound gasket

RFQ & TenderingFor everyone

Flange Types and Ratings: PN vs ASME Class for UK Process Plant

Flange types and faces, what PN and ASME Class ratings mean at temperature, why PN 16 and Class 150 flanges are not interchangeable, and how to specify flanges in an RFQ.

8 min read25 Oct 2026