Simulation Evaluation Of Sealing Performance Of Double-Offset Butterfly Valve
公開日:2022/06/26 / 最終更新日:2022/06/26
The paper analyzed the sealing efficiency of double-offset check valvewafer butterfly valve valve by simulation methodology. The axial sealing performance was analyzed beneath circumstances of friction coefficient and eccentricity because the independent variables. The lateral sealing performance was analyzed below circumstances of fuel pressure and ring compaction as impartial variables. Conclusions present that the important thing components affecting the reliability of axial sealing and lateral sealing are the eccentricity, fuel strain and ring compaction, respectively. As the eccentricity decreases, the axial sealing will probably be extra reliable, and as the gas strain or the ring compaction improve, the reliability of the lateral sealing will even improve.
Although AFM couldn’t make the V-8 yield minicar fuel thrift — an Impala SS tested by Client Guide® logged 20.3 mpg in largely highway driving versus the EPA estimated 18/28 city/highway — it was a selling level at a time when report gas prices had folks searching for one of the best mileage they could get.
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Jamming. Quite a lot of conditions can cause these valves to jam and forestall proper operation and/or closing. Hard debris in a dead pocket within the physique that doesn’t enable the gate to shut totally is a typical problem. Scale formation on elastomer seal floor in perimeter seals can harden and forestall simple motion of the gate and/or create harm to the seal when pressured.
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