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2026-08-10 05:55:14 -

How Can Rockvalves Sour Service Gate Valve Meet Strict NACE Standards

Sour Service Gate Valve selection begins with a clear understanding of the conditions that trigger compliance needs under NACE MR0175 ISO 15156. Environments containing free water and hydrogen sulfide above a partial pressure of 0.0003 MPa require materials resistant to sulfide stress cracking and related forms of degradation. Carbon and low alloy steels must stay at or below 22 HRC including...

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