May I ask if the API specifications for ball valves include a table of internal component materials?
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I would like to ask the experts: since API600 and API623 provide a clear list of internal component materials for selection through their appendices and Table 8, what about ball valves and butterfly valves? Is there any? Although soft sealing is the main type, the difference is quite significant. Thank you all
The API specifications for ball valves and butterfly valves generally cover aspects such as design, inspection, and testing, but they do not provide detailed material lists for the specific internal components as do API 600 and API 623. For ball valves, API 6D or API 608 can be referenced, while for butterfly valves, API 609 should be consulted. These standards specify the basic requirements and performance categories for certain materials, but the actual choice of material often requires consideration of factors such as the medium, temperature, and pressure in practical applications. You can choose the appropriate material type based on specific usage conditions and requirements. .
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