What monitoring is required during the reproduction of plate exchangers and air coolers?
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What tests are required during the reproduction of plate exchangers and air coolers? If I go to supervise the production, what tests and certificates do I need to check? Thank you!
Firstly, it is not clear what standard number applies to the product you wish to have supervised; for example, if it is manufactured in accordance with ASME specifications, then ASME Volume 2 (Materials), Volume 5 (Non-Destructive Testing), Volume 8 (Construction Rules), Volume 9 (Welding Evaluation), etc., serve as the basis for inspection. Generally speaking, regardless of the standard number, some or all of the following inspections must be carried out on the product: 1. Inspection of the design drawings and calculations based on the design rules and requirements provided by the customer; 2. Verification that the materials used are of suitable quality and properly labeled; 3. Assessment of cold working processes, welding procedures, welder skills, non-destructive testing, heat treatment, etc.; 4. Checking parameters such as water pressure. Secondly, regarding certificates, it is necessary to confirm whether the manufacturing manufacturer has the necessary qualifications for construction, such as having passed relevant inspections, obtaining an ASME U stamp, or having ISO certification, among other things.