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Title: |
Piping and Valves |
Doc. No. |
L-001 |
Annex |
C |
EDS |
NIP1 |
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Project: NORSOK |
Company: |
Rev.Date: |
15.01.95 |
Rev: |
1 |
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The referenced MDS shall be used for purchase of material to the valve manufacturer.
The requirement to EN 10204 type 3.1B is not mandatory after machining of the internal parts.
For valves of 6Mo, 22Cr duplex or 25Cr duplex steel the stem may be machined from bars.
The following MDS shall be used:
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6Mo: |
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22Cr duplex : |
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25Cr duplex : |
For ball valves of 6Mo, 22Cr duplex or 25Cr duplex steel the ball could be made of cast.
The following MDS shall be used:
|
6Mo : |
|
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22Cr duplex : |
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25Cr duplex : |