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PARKER比例換向閥美國派克parker比例閥

Parker派克直動式比例換向閥D*FW/D*FT系列

公稱尺寸為CETOP3和CETOP5的直動式（D*FW）換向閥系列是一種用于流量控制的比例閥。該閥（D*FW）采用PWD-400/PCD-400功率放大器進(jìn)行電控或?qū)⒓傻碾娮釉逖b在閥上組成一體（D*FT）。典型的應(yīng)用是：通過調(diào)節(jié)斜坡信號可使閥芯柔和換向，以此來減小液壓沖擊和機(jī)械沖擊，通過電氣方式調(diào)節(jié)流量/速度可實(shí)現(xiàn)機(jī)械功能自動化。

Parker派克直動式比例換向閥D*FL系列

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公稱尺寸為CETOP3和CETOP5的D*FL系列的閥是一種用于流量控制的數(shù)字式比例閥。這種用微處理器控制的4-通閥可以通過配電信號來調(diào)出不同的給定速度。在閥上可以對加速度、減速度和速度進(jìn)行調(diào)節(jié)。典型的快速/低速行程特性可以不用其它的模塊就可實(shí)現(xiàn)。

Parker派克直動式比例換向閥WL*NG10系列

公稱尺寸為CETOP5的WLL系列直動式比例閥被用于控制流量。該閥（D*FW）采用歐卡規(guī)格的VDR350/355數(shù)字式功率放大器或采用PWD-400/PCD400功率放大器模塊進(jìn)行電控。典型的應(yīng)用是：流量控制精確和可實(shí)現(xiàn)流量調(diào)節(jié)，快速/低速行程特性控制和液壓傳動裝置的定位。

Parker派克先導(dǎo)式比例換向閥D*1FS系列

公稱尺寸為CETOP3至CETOP10的D*1FS系列先導(dǎo)式比例換向閥被用于控制流量。該閥采用EW系列模擬式功率放大器進(jìn)行電控或采用VRD350/355數(shù)字式功率放大器。主閥芯的位置可調(diào)。典型的應(yīng)用是：流量控制精確和可實(shí)現(xiàn)流量調(diào)節(jié)，在快速/低速特性下的工作運(yùn)行和柔和加速度以及延遲工作特性的改善

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