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Recent content by Sjimmie
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Calculating Nominal Design Stress (f) (BS EN 12516-2)
Hi Marcelo, The EN 12516 is made for Steel Valves. Cast Iron is not steel and has another code. In most times also a higher test pressure (2x maximum working pressure). The EN 12156 Part 1 is the European version of ASME B16.34. The difference is that the European Steels are tabbeled in...- Sjimmie
- Post #8
- Forum: Mechanical engineering general discussion
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Plug material selection
Stainless steel 316 or 316L is suitable for 20°C, on shore conditions and not close to the sea. These values are for potable water. But water is not water, you can have brackish water, sea water, water from a well etc. Temperature and place of use is also important. On the Northsea, you can use...- Sjimmie
- Post #5
- Forum: Valve engineering
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EN 12516-2 Corrosion allowance
In section 4 the standarized corrosion and erosion allowance (c2) is taken up. I am wondering why the following values are used: - 1 mm for ferritic and ferritic-martensitic steels - 0 mm for all other steels - 0 mm if eco ≥ 30 mm, or if ec1 ≥ 30 mm Why has ferritic and ferritic-martensitic...- Sjimmie
- Thread
- Replies: 1
- Forum: CEN / ECN (eu standards) Code Issues
