NBN EN 12982:2009

This European Standard specifies the end to end and centre to end dimensions for steel butt welding end valves with connecting dimensions of welding ends in compliance with EN 12627, used in PN and Class designated piping systems.
The range of PN is:
- PN 10 PN 16 PN 25 PN 40 PN 63 PN 100 PN 160 PN 250 PN 320 PN 400.
The range of Class is:
- Class 150, Class 300, Class 600, Class 900, Class 1 500, Class 2 500.
The range of nominal size is:
- DN 8 DN 10 DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN 200 DN 250 DN 300 DN 350 DN 400 DN 450 DN 500 DN 600 DN 700 DN 750 DN 800 DN 900, DN 1 000 DN 1 200.
NOTE 1 DN 750 is not applicable to PN designated valves.
NOTE 2 See Annex B for the relationship between nominal size (DN) and nominal pipe size (NPS).
NOTE 3 Valves having welding end profiles different from those specified in EN 12627, may use the same dimensions than those specified in Table 1.