Deyang Dongsen Hydropower Equipment Co., Ltd.
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PN2.5~PN40 Hydraulic Operated Butterfly Valve DN150~DN4800
Description
Butterfly valve is the advanced pipeline control equipment in the world. It is usually used as turbine inlet valves that installed in hydropower
station turbine inlet. Or they are applied to water conservancy, electric power, water supply and drainage pump outlet, to replace the check valve and gate valve.
Standard:
| 1 | Design and manufacture | GB/T12237-1989 | AP1608 |
| 2 | Inspection and testing | GB/T13927-1992 | AP1598 |
| 3 | Flange connection | JB/T79.1~2-1994 | ASME/ANSI B16.5 |
| 4 | The length of the structure | GB/T12221-1989 | ASME/ANSI B16.10 |
Test Pressure: Mpa
| PN | Maximum working pressure at normal temperature | Shell test pressure | Gas seal test pressure | High pressure seal test pressure |
| 1.6 | 1.6 | 2.4 | 0.6 | 1.76 |
| 2.5 | 2.5 | 3.8 | 0.6 | 2.75 |
| 4.0 | 4.0 | 6.0 | 0.6 | 4.4 |
| 6.4 | 6.4 | 9.6 | 0.6 | 7.1 |
| 10.0 | 10.0 | 15.0 | 0.6 | 11.0 |
| clss150 | 2.0 | 3.0 | 0.6 | 2.2 |
| class300 | 5.0 | 7.5 | 0.6 | 5.5 |
| class600 | 10.0 | 15.0 | 0.6 | 11.0 |
Using Range
| Shell material | suitable tempature | medium |
| Carbon steel C-type | ≤425℃ | water, steam, oil |
| Chrome-nickel titanium P type | ≤200℃ | Nitrate class |
| Chromium nickel molybdenum titanium steel R type | ≤200℃ | Acetic acid class |
| Chrome-nickel vanadium steel, I type | ≤550℃ | Steam, smelting, energy, etc |
Main connection size
