Valve Pressure: PN to Class
Valve Pressure: PN to Class
Piping Class Ratings based on the ASME B16.5 – Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard – class and the corresponding ISO 7005 PN (Pression Nominal*) ratings:
Class 800 to PN130 for valves.
| ANSI Class(LB) | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| DIN PN (Bar) | 20 | 50 | 64 | 100 | 150 | 250 | 420 |