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当你应该将变速箱涂抹到蝴蝶阀?
当你应该将变速箱涂抹到蝴蝶阀?
2021-09-10

问:嗨。我看到了你网站里的蝴蝶阀门。其中一些配备了手柄,一些变速箱,它们都看起来大小。这两种类型的操作等价物吗?当你应该将变速箱涂抹到蝴蝶阀?- 答:变速箱蝴蝶阀门和手柄蝶阀是需要手动操作的蝶形阀,所以它们都也可以称为手动蝶阀。对于小蝶阀,两种类型的操作可能是常见的。差异位于大直径蝶阀。具体地,手动操作适用于具有口径≤DN200的蝶形阀;DN200中的蝶阀也可以用Agearbox运行。 For butterfly valves of DN200 ormore,Gearbox operation is generally recommended. The reason is that as the calibre of the butterfly valve increases, so does the torque. When the calibre exceeds DN200, it will be very hard to operate with the handle, and the larger the calibre, the harder it will be to operated by a handle. Therefore, if the caliber is DN200 or more, it is better to use a gearbox. When Dervos chellenged to manufacture a butterfly valve of DN3750, we used 4 gearbox to drive the gaint guy. For more details welcome to click the picture to read the story. Dervos is a leading valve manufacturer and provider of engineered products for different industries in China. If you’re looking for professional feasible solutions, check out our vast range of high-quality valves which covers gate valves, ball valves, butterfly valves, as well as other control valves and more. For more information regarding our high-quality products, contact us today!

同心蝴蝶阀和晶圆蝶阀
同心蝴蝶阀和晶圆蝶阀
2021-09-02

我相信你们中接触过阀门的人对这些蝶阀的名字并不陌生。然而,Dervos发现还是有很多朋友分不清同心圆蝶阀和aWafer蝶阀的区别,有的甚至会认为它们是同一个阀门的不同名称。但它不是。本文将向您介绍同心蝶阀与aWafer蝶阀的区别。同心蝶阀是以阀门的结构形式而命名的。除了同心蝶阀外,还有单偏心蝶阀、双偏心蝶阀、三偏心蝶阀几种。它们根据蝶阀板在阀体内的中心位置而命名。在结构上,同心蝶阀的特点是阀杆轴线、蝶板中心与阀体中心在同一位置。同心蝶阀结构简单,一般为软座式。橡胶或聚四氟乙烯或其他弹性材料是最常见的;同心蝶阀具有非常好的密封性能,可以实现零泄漏。但受密封材料本身的限制,同心蝶阀只能应用于常温、低压环境。 Its not recommended to use them in high temperature and high pressure. Wafer butterfly valve is named according to the butterfly valve's connection method. In addition toWafer, there are also flange connections,clamp connection,socket-ed,welded and so on. Wafer butterfly valves can be soft-sealed ormetallic-sealed; they can be ofconcentric or eccentric.A concentric butterfly valves may be either clamped or flanged. Aconcentric butterfly valve may be aWafer connection, and aWafer butterfly valve may also be ofconcentric construction. Therefore, the concentric and Wafer are two different butterfly valve classifications, the two are actually not comparable. Choose the correct butterfly valve according to the different working conditions, and that’s all. Dervos is a leading valve manufacturer and provider of engineered products for different industries in China. If you’re looking for professional feasible solutions, check out our vast range of high-quality valves which covers gate valves, ball valves, butterfly valves, as well as other control valves and more. For more information regarding our high-quality products, contact us today!

蝴蝶阀可以用于热水吗?
蝴蝶阀可以用于热水吗?
2021-08-26

蝴蝶阀可以用于热水吗?在以前的文章中,我们向您介绍给您,蝶阀适用于淡水,污水,海水,盐水,蒸汽,天然气,食品,制药,油等管道需要完全密封,零泄漏在气体测试中零泄漏,高寿命和工作温度从-10度到150度。天气蝶阀可用于热水管道,其实实际上,钥匙位于阀座密封表面材料的蝶阀主体与热水触点的蝶形阀门主体。我们谈论的热水通常在70℃以上的水。如果在这些温度下使用硬封蝶阀,那么就没有问题。但如果它是一个带有橡胶密封座的柔软密封蝶阀,它可以用于热水吗?如果您在互联网上搜索答案,您将看到许多不建议在热水中使用软密封蝶阀。如果柔软的蝶阀橡胶阀的橡胶座在长时间暴露在热水中会变得更快速。阀门的密封性能将损坏,从而缩短了阀门的使用寿命。该陈述不是问题,橡胶材料的理论温度范围为-20〜150℃,但由于各种制造商生产橡胶质量水平,挡板情况,这种温度范围在热水环境中显着下降,当然。 However, the soft seal butterfly valve is not completely inadequate for hot water piping. High temperature resistant rubber can be used, which is much more effective and lasts longer. And hard-sealed butterfly valves, ball valves, gate valves and globe valves can also be used instead. Dervos is a leading valve manufacturer and provider of engineered products for different industries in China. If you’re looking for professional feasible solutions, check out our vast range of high-quality valves which covers gate valves, ball valves, butterfly valves, as well as other control valves and more. For more information regarding our high-quality products, contact us today!

«Дроссельныйклапан——этоклапан,которыйизолируетилирегулируетпотокжидкости。закрывающиймеханизм——этодиск,которыйвращается。“Из——засвоейкомпактнойструктуры,короткогоразмералицомклицуилегкоговеса,дроссельныйклапанчастоиспользуетсявбольшихразмерах。вдервосахмыпредлагаемконцентрическийдроссельныйклапан,эксцентриковыйдроссельныйклапан,высокопроизводительныйдроссельныйклапан,дроссельныйклапанспокрытиемиз聚四氟乙烯,пневматическийдроссельныйклапанимоторизованныйдроссельныйклапан。


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