What technical requirements need to be filled in when ordering valves?
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When placing an order for a valve, is it necessary to specify the manufacturing standards, the flange sealing surface, the flange standards, as well as the materials used for the valve body and the valve core? Do I also need to specify the operating temperature, pressure, and diameter?
Everything on the inner surface is required, as well as how to treat the sealing surface of the valve core, along with the test report and after-sales service
Most importantly: it’s best to specify the fluid flowing in the pipeline, and also include the performance parameters of that fluid, if available. Don’t be afraid of the hassle; the more detailed the description, the more thoroughly various aspects will be taken into account in the design and manufacturing of the valve, and the better its overall performance will meet the requirements of your actual operating conditions.
If the manufacturer agrees, you can specify the requirements for your medium; let them handle everything else. In fact, most manufacturers choose the appropriate options on their own, so if there are any problems, it’s not your responsibility