D*1FW/ D*1FB系列先導(dǎo)式比例換向閥被用于控制流量。
D*1FW系列采用PWD00A-400功率放大器進(jìn)行電控;
D*1FB系列采用集成的電子元件插裝在閥上組成一體。
該閥共有10通徑、16通徑、25通徑、32通徑幾種規(guī)格。應(yīng)用于通過(guò)調(diào)節(jié)斜坡信號(hào)可使閥芯柔和換向,以此來(lái)減小液壓和機(jī)械沖擊,通過(guò)電氣方式調(diào)節(jié)流量/速度可實(shí)現(xiàn)機(jī)械功能的自動(dòng)化。
特點(diǎn):
泄漏量小;
漸進(jìn)的流量特性使得流量調(diào)節(jié)靈敏;
彈簧對(duì)中的主級(jí);
比例先導(dǎo);
安全系統(tǒng)的初始位置監(jiān)控;
D*1FB系列帶有集成的功率放大器;
D*1FW帶有數(shù)字式Snap-On功率放大器。
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