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There is a set of plug valves, with specific requirements put forward by the owner; could an expert please explain the exact English terms corresponding to these requirements? Thank you. Could you recommend a good brand? Plug valve 1″ PLUG VALVE-STD PATN.BB.CP,NLUB CL300(PN5.0) RF(ASME B16.5) A105 Trim:Monel Stem:B564 UNS:N0400 API:599
1 inch refers to DN25; CL300 is equivalent to PN5.0MP ; RF stands for flange connection. The valve body material A105 API is a standard. I’m new to this field and this is all I know; I’m not really aware of anything else. I hope those with more experience can give me some guidance. Additionally, if imported valves are needed, our company happens to represent an American brand with excellent performance. Available in internal messaging
STD PATN: Standard type; plug valves come in many varieties, and this is the normally installed version. BB: Bolted valve cover. CP: Likely refers to a conical plug. NLUB: Probably means oil-lubricated.
NLUB: non-LUBRICATED, meaning unlubricated; it was treated as LUB.
Additional information from above: Valve diameter: DN25; pressure rating: 300Lb (5.0 Mpa). Connection type: flange connection, RF face (flange standard ASME B16.5). Valve body material: A105 (carbon steel forging). Inner component material: Monel alloy. Valve stem material: B564, which is a nickel alloy forging standard; UNS:N0400 is the material grade under this standard. API599 is the standard for plug valves
British Skr spin valves – worth taking a look at; they are widely used in long-distance pipelines.