A Double Eccentric Flange End Butterfly Valve
Double Eccentric Flange End Butterfly Valve
| Design Standard | GB/T12238 | API609 | |||||||
| Pressure-Temperature Rating | GB/T12224 | API609,ASME B16.34 | |||||||
| Face-Face | GB/T12221 | API609.ISO5752.ASME B16.10 | |||||||
| Flange Ends | GB/T9113,JB/T79 | ASME\B16.5\B16.47 | |||||||
| Inspection&Test | JB/T9092,GB/T13927 | API598 | |||||||
| NorminalPressure(MPa) | 0.25 | 0.6 | 1.0 | 1.6 | 2.5 | Class150 | Class150 | Class300 | |
| (MPa) Test Pressure | Shell Test | 0.375 | 0.9 | 1.5 | 2.4 | 3.75 | 2.93 | 7.58 | 15.0 |
| High Pressure Seat Test | 0.275 | 0.66 | 1.1 | 1.76 | 2.75 | 2.07 | 5.52 | 11.03 | |
| Low Pressure Seat Test | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | |
| Applicable Temperature | -196ºC-550ºC Different raw material for different work temperature | ||||||||
| Applicable Medium | Water,oil,gas and other non-causticity medium(Different raw material for different medium) | ||||||||
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Description
Double Eccentric Flange End Butterfly Valve
| No | Part Name | Materials | Optional Materials |
| 1 | Cover | Carbon Steel/Cast Iron | SS,Monel |
| 2 | Bolt | Alloy Steel | SS,Monel |
| 3 | Bushing | PTFE+Bronze | Luberized Bronze |
| 4 | Body | Ductile Iron/Gray Iron/Cast Steel | SS,Monel |
| 5 | Stem | 2Cr13 | SS,Monel |
| 6 | Disc | Cast steel | SS,Monel |
| 7 | Seal ring | NBR/EPDM | MBR/SS+MBR/SS+Graphite |
| 7a | Seat | Carbon Steel+13Cr | SS,Monel |
| 8 | Packing | Graphite | PTFE |
| 9 | Bolt | Alloy Steel | SS,Monel |
| 10 | Gland | Carbon Steel | SS |
Double Eccentric Flange End Butterfly Valve
1. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation productiong, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.
2. Simultaneously they have good fluid control properties, and can operate simply.
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant
