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API 6D NDE Requirements
Hi fellow engineers, My company is into some problems due to valves not being API 6D as expected, the final user is willing to consider this deviation as long as we can prove the valves acceptable for this service. They asked us regarding NDE Requirements, it isn't clear to me if such NDE...- Hugo G
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- Replies: 0
- Forum: Valve engineering
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NEMA 4X-7, is group A required?
Hello eng-tips, TOday i come with a small question regarding enclosure certifications: As far as I understand, NEMA 4X+7 is a denomination given for non-hazardous outdoor area (4X) and hazardous indoor Class I, Division 1, Groups A, B, C, or D (7) What isn't clear for me are the groups...- Hugo G
- Thread
- Replies: 4
- Forum: Electrical Engineering general discussion
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Trying to determine whether the 17-4 PH valve stem is suitable for -50°F
Hello, We're currently working in this order to supply 50 MOVs to a gas production company, their min temperature is -50°F, our valves are from PBV and we've already asked them, however i haven't found any information regarding the temperature range for the 17-4 PH steel, i'd would like to know...- Hugo G
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- Replies: 6
- Forum: Metal and Metallurgy engineering
