Inclined axial, plate metallic and hard seal butterfly valve
The utility model relates to an oblique axis and plate type metallic hard sealing butterfly valve, which is composed of a driving device, a thermal insulation seat, a valve body, a butterfly plate, a long axis, a minor axis, a sealing ring, a pressing ring, a right cylinder hole sleeve, an axis slee...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to an oblique axis and plate type metallic hard sealing butterfly valve, which is composed of a driving device, a thermal insulation seat, a valve body, a butterfly plate, a long axis, a minor axis, a sealing ring, a pressing ring, a right cylinder hole sleeve, an axis sleeve, a end cover, male pins, etc. The sealing ring is arranged on the butterfly plate to cause the long axis, the minor axis and the sealing ring to be inclined into a certain angle. When the butterfly valve is closed, the driving device drives the long axis to rotate, and the butterfly plate and the minor axis rotate following the long axis. Therefore, the sealing ring is contacted with the inner wall of the right cylinder hole sleeve, and is closed tighter and tighter, and thereby, the utility model achieves excellent sealing effect. The utility model has the advantages of good sealing performance, small flow resistance coefficient, energy saving, simple structure, heat resistance, high pressure resistance, good manufacturing process, easy assemblage, convenient maintenance, low manufacture cost and long service life. The utility model can take the place of import products. |
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