Sour Service Valves: NACE MR0175, H2S and Material Selection Guide
Quick Summary: Sour service valves are selected for H2S-containing environments where susceptible metallic materials can suffer sulfide stress cracking and other forms of hydrogen-related damage. A purchase order should not rely only on the phrase “NACE compliant.” Buyers should identify the actual service environment, applicable sour-service standard, valve components within the required scope, material grades […]