M-SR30KE05-1X/ REXROTH單向閥，德國力士樂REXROTH全新原裝進口品牌，質量保證，現貨庫存價格優勢銷售；
單向閥是氣流只能一個方向流動而不能反向流動的方向控制閥。其工作原理與液壓單向閥一樣。壓縮空氣從P口進入，克服彈簧力和摩擦力使單向閥閥口開啟，壓縮空氣從P流至A；當P口無壓縮空氣時，在彈簧力和A口(腔)余氣力作用下；閥口處于關閉狀 態，使從A至P氣流不通。單向閥應用于不允許氣流反向流動的場合，如空壓機向氣罐充氣 時，在空壓機與氣罐之間設置一單向閥，當空壓機停止工作時，可防止氣罐中的壓縮空氣回流 到空壓機。單向閥還常與節流閥、順序閥等組合成單向節流閥、單向順序閥使用。
單向閥又稱止回閥或逆止閥。用于液壓系統中防止油流反向流動,或者用于氣動系統中防止壓縮空氣逆向流動。
單向閥Check Valve
單向閥又稱止回閥或逆止閥。用于液壓系統中防止油流反向流動,或者用于氣動系統中防止壓縮空氣逆向流動。
單向閥有直通式和直角式兩種。直通式單向閥用螺紋連接安裝在管路上。直角式單向閥有螺紋連接、板式連接和法蘭連接三種形式。液控單向閥也稱閉鎖閥或保壓閥，它與單向閥相同，用以防止油液反向流動。但在液壓回路中需要油流反向流動時又可利用控制油壓，打開單向閥，使油流在兩個方向都可流動。液控單向閥采用錐形閥芯，因此密封性能好。在要求封閉油路時，可用此閥作為油路的單向鎖緊而起保壓作用。液控單向閥控制油的泄漏方式有內泄式和外泄式二種。在油流反向出口無背壓的油路中可用內泄式；否則需用外泄式，以降低控制油壓力。
上海韋米機電設備有限公司
雷 青（Mr） 手機Cel:13524123009（微信號）
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M-SR30KE05-1X/ REXROTH單向閥
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力士樂REXROTH止回閥安裝裝置M-SR 52...150
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M-SR30KE05-1X/ REXROTH單向閥
對節流閥的性能要求是：
·流量調節范圍大，流量一壓差變化平滑；
·內泄漏量小，若有外泄漏油口，外泄漏量也要。
·調節力矩小，動作靈敏。
節流閥(throttle valve)的外形結構與截止閥并無區別，只是它們啟閉件的形狀有所不同。節流閥的啟閉件大多為圓錐流線型，通過它改變通道截面積而達到調節流量和壓力。節流閥供在壓力降極大的情況下作降低介質壓力之用。
介質在節流閥瓣和閥座之間流速很大，以致使這些零件表面很快損壞－即所謂汽蝕現象。為了盡量減少汽蝕影響，閥瓣采用耐汽蝕材料（合金鋼制造）并制成頂尖角為140～180的流線型圓錐體，這還能使閥瓣能有較大的開啟高度，一般不推薦在小縫隙下節流。
M-SR30KE05-1X/ REXROTH單向閥
力士樂REXROTH插裝式單向閥M-SR 6...30
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M-SR30KE05-1X/ REXROTH單向閥
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