I have questions regarding pipeline design
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1. Pipe material selection: What are the selection criteria? What are the advantages and disadvantages of carbon steel grades such as 20# steel and Q235B (these are just examples; there are many other grades)? Welding requirements? 2. Distance between pipe supports: For pipes with different diameters and different media, which type of pipe support should be used? 3. Axonometric diagram legend for special fittings (such as electric blind valve). 4. Criteria for selecting other pipe fittings such as flanges and valves (for example, at the same pressure of 25 kilograms, both face-to-face welded flanges and necked raised face flanges have a pressure rating of 25 kilograms; how to make a choice in such cases?). 5. Issues related to flaw detection: how are the proportion and level of flaw detection determined? I’m a complete beginner, so please bear with me, experts!
It is recommended that the questioner take the time to read \"1-GB-T-20801-2006-Code for Pressure Piping - Industrial Piping\".
There are no specific project requirements, so it’s difficult to answer your question as different industries have different standards. I suggest you find a \"Piping Design Manual\" to study; it contains the answers to your questions. After understanding the basic issues in pipeline design, you can then refer to the second volume of the Chemical Process Design Handbook. After gaining some understanding of these two manuals, then proceed to look at the relevant specifications. Without a manual, it’s not efficient to start directly by looking at the specifications.
Your question is good enough to be turned into a paper – how can others reply to you then?\ud83d\ude04
Check standards, find guidelines, and learn * first.
Thank you:handshake
Checking the chemical industry standards series shows that there are requirements in this regard. You can contact me on QQ924549064
It is determined based on factors such as different media, operating conditions, and environment. Different industries have varying requirements, and it is necessary to follow the standards applicable to the industry for which you are designing. If no such standards exist, then the characteristics of the pipeline medium should be used as a reference