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How to determine valve Trim material/ numbers (other than googling it)

MaterialsEngTechyy

Materials
Joined
Jul 28, 2025
Messages
1
How do we determine TRIM numbers for valves (other than just googling it)? is there any specification for valves (ASME, ASTM, CSA. etc) ?
 
API 600, 602 provide some direction on Trim/CNs.
 

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