D*FW、D*FB系列直動式換向閥
D*FW/D*FB系列直動式換向閥是一種用于流量控制的比例閥。
D*FW系列采用PWD-400/PCD-400功率放大器進行電控；
D*FB系列采用集成的電子元件插裝在閥上組成一體。
該閥共有6通徑、10通徑兩種規格。應用于通過調節斜坡信號可使閥芯柔和換向，以此來減小液壓沖擊和機械沖擊，通過電氣方式調節流量/速度可實現機械功能自動化。
特點：
泄漏量小；
漸進的流量特性使的流量調節靈敏；
彈簧對中的閥芯；
D*FB系列帶有集成的功率放大器；
D*FW系列帶有數字式Snap-On功率放大器；
應急手動操縱。
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