力士樂流量控制閥,德國博世力士樂

力士樂流量控制閥,德國博世力士樂

體化閥芯和閥座：為克服雙座閥密封性差的缺點(diǎn)，采用相同材質(zhì)的體化閥芯和閥座組成閥內(nèi)件，將泄漏量和不平衡力同時(shí)減到zui小 ．
e.簡單流路：流路簡單，流阻減小，不僅可使閥兩端壓損下降，而且可降成本。
f.密封和摩擦：密封性能和摩擦性能是矛盾的兩方面，控制閥設(shè)計(jì)中不僅要密封問題，對(duì)摩擦和壽命等性能指標(biāo)也必須重視 因此，近年來，填料函和填料結(jié)構(gòu)的研究得到重視，旋轉(zhuǎn)型控制閥得到較廣泛應(yīng)用
g.降噪聲：采用多種方式降控制閥噪聲，例如，采用降噪套筒和閥芯，采用多級(jí)閥芯，采用降噪限流板，采用擴(kuò)展器等
h.采用與管道同直徑的控制閥和限制流通能力的閥內(nèi)件:利于降閥入口壓力和出口流體流速，不需安裝異徑管等附加管件，有利于降成本，通過換流通能力大的閥內(nèi)件，可擴(kuò)展流通能力，通過選用限制流通能力閥內(nèi)件可糾正計(jì)算口徑過大的錯(cuò)誤
i.在數(shù)字化信息化時(shí)代，將較多采用智能閥門定位器或通過數(shù)字控制器等實(shí)現(xiàn)非線性規(guī)律，補(bǔ)償被控對(duì)象非線性，將較少選用控制閥流量特性來補(bǔ)償被控對(duì)象非線性.

力士樂流量控制閥,德國博世力士樂
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