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This guideline applies to quarter turn valves (having, e.g., a spherical or conical closure member) with nominal sizes between DN 10 and DN 250. The nominal size DN designates mating flanges or screw joints by which to connect the valve to the pipeline. The seat width (bore) may be equal to, or less than, the nominal width.
Author | VDI |
---|---|
Editor | VDI |
Document type | Standard |
Format | File |
ICS | 23.060.40 : Pressure regulators
25.040.40 : Industrial process measurement and control |
Number of pages | 11 |
Replace | VDI/VDE 2178 (2008-08) |
Set | VDI/VDE-Handbuch Automatisierungstechnik,VDI-Handbuch Elektrotechnik und Gebäudeautomation |
Year | 2009 |
Document history | VDI/VDE 2178 (2009-07) |
Country | Germany |
Keyword | VDI 2178;2178 |