Nace Rp 0391 Pdf Jun 2026

However, some limitations of the RP include:

: Guidance for engineers and maintenance personnel on the design, modification, and upkeep of concentrated sulfuric acid systems.

The correct standard for wet H₂S environments in refineries is . This standard covers:

No. Dual laminates (e.g., FRP with PVDF or PP liner) are covered under other standards like ASTM D5439. RP0391 applies to solid FRP. nace rp 0391 pdf

Complete Technical Guide to NACE RP0391 / SP0391: Materials for Concentrated Sulfuric Acid Storage and Handling

When sourcing documentation, users must ensure they utilize current editions. NACE transitioned its naming convention from (Recommended Practice) to SP (Standard Practice).

Disclaimer: This article provides general information and does not constitute legal or professional engineering advice. Always consult the official NACE/AMPP standard documents for complete requirements and consult with qualified corrosion engineers for specific applications. However, some limitations of the RP include: :

: The official AMPP website provides the latest SP0391-2016 version.

The standard provides guidelines on monitoring corrosion through periodic inspections and thickness testing to prevent catastrophic failures. Summary of Revisions

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If you purchase a "NACE RP 0391" document from a reseller today, ensure it is the reaffirmed or revised version dated , as older references to "RP" (Recommended Practice) have been phased out for "SP" (Standard Practice).

The standard emphasizes that no lining performs well on a poorly prepared surface. For steel, this usually means Near-White Metal blast cleaning (SSPC-SP 10) or White Metal (SSPC-SP 5). For concrete, specific moisture content and surface profile requirements are detailed to ensure adhesion.

: Many search engine queries for "nace rp 0391 pdf" are mistakenly submitted by refinery engineers actually looking for materials resistant to wet hydrogen sulfide (H₂S) cracking.