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Thank you so much for your replies.

Hello to everyone! Can anyone elaborate what vibration switch installed in a pipe is? In our project they call it tuning fork. And why it is installed in vertical pipe. Thank you for your sharing. jimpiper60777

Hi! Can anyone share philosophy of Automatic Block Valve and emergency block valve? What are considerations in view of piping design.? Thank you very much. Jim

Hi! The client has issued a project memo to avoid trim elbows. As stated on paragraph 328.4(b)(c) of B31.3 that the max. trim on a ASME B16.9 elbow is 3 degrees. I am revising the configuration of the pipe and I found out that the only way to connect the line to avoid trimming is to roll two...

Hello To all! I have been in piping design business for almost 7 years. Considering my knowledge and experience in this field, I can do lay outing, detailed checking, and raise interesting issues in piping that some new may not have ever encountered. I know I can read this process flow...

Thanks a lot for your reply. I had inspection in a nitrogen package area and I found several joints with carbon steel and stainless steel. This was put into questioned by the client however I never had a chance to review how they came up with discussion for this issue.

Hello to all! Has anyone had any experience in joining two pipes (by welding instead of flange) with dissimilar material like stainless steel to carbon steel.? HOw it is done and what are the criteria or parameters to consider? What code in piping discusses about this? Thank you for your...