Valve material code
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I want to know what the codes behind the four ball valves in the picture mean
If you can provide specific pictures of the ball valves and their codes, I will be able to tell you exactly what each code means. Generally, the codes behind ball valves may indicate information such as the valve body material, pressure rating, connection type, and dimensions, but the specific meaning can only be determined by looking at those codes. Without images or specific codes, I cannot provide an exact explanation. Please provide more detailed information. .
1. Ball valve, pressure class CL150, RF: flange sealing surface with raised face; valve body material: A216 WCB (cast carbon steel); internal components material: 316/RTFE (316 + reinforced polytetrafluoroethylene); diameter DN100； 2. Valve body material: CF8 (cast 304); internal valve components: 304/PTFE (304 + polytetrafluoroethylene) ； 3. Valve body material: WCB (the same as A216 WCB); internal valve components: 13Cr/PPL, F6a (13Cr + modified polytetrafluoroethylene); the valve requires fire-resistant properties ； 4. Valve internals: 13Cr/STL (13Cr + Stellite surface hardening)
Regarding materials, are there any good learning resources you can share? Thank you:lol