Boiler and pipe fittings pressure casting steel technical conditions, technical requirements
Boiler and pipe fittings pressure casting steel technical conditions, technical requirements
Nominal pressure P N MPa | Working pressure MPa | Operating temperature t ℃ | Test pressure P S MPa |
| 4.0 | - | - | 6.0 |
| 6.3 | - | - | 9.5 |
| 10.0 | - | - | 15.0 |
| 20.0 | - | - | 30.0 |
| 25.0 | - | - | 38.0 |
| 32.0 | - | - | 48.0 |
| Â | 3.92 | 540 | 11.8 |
| Â | 3.92 | 570 | 16.7 |
| Â | 9.8 | 510 | 26.5 |
| Â | 9.8 | 540 | 29.4 |
| Â | 13.7 | 540 | 29.2 |
| Â | 13.7 | 570 | 54.9 |
| Â | 16.7 | 540 | 57.1 |
| Â | 16.7 | 570 | 61.8 |
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