節(jié)流閥Z2FS 22A8-31/S2參數(shù)

節(jié)流閥是通過改變節(jié)流截面或節(jié)流長度以控制流體流量的閥門。將節(jié)流閥和單向閥并聯(lián)則可組合成單向節(jié)流閥。節(jié)流閥和單向節(jié)流閥是簡易的流量控制閥，在定量泵液壓系統(tǒng)中，節(jié)流閥和溢流閥配合，可組成三種節(jié)流調(diào)速系統(tǒng)，即進油路節(jié)流調(diào)速系統(tǒng)、回油路節(jié)流調(diào)速系統(tǒng)和旁路節(jié)流調(diào)速系統(tǒng)。節(jié)流閥沒有流量負反饋功能，不能補償由負載變化所造成的速度不穩(wěn)定，一般僅用于負載變化不大或?qū)λ俣确€(wěn)定性要求不高的場合。 

節(jié)流閥特點
1、構(gòu)造較簡單，便于制造和維修，成本低。
2、調(diào)節(jié)精度不高，不能作調(diào)節(jié)使用。
3、密封面易沖蝕，不能作切斷介質(zhì)用。
4、密封性較差。
節(jié)流閥按通道方式可分為直通式和角式兩種；按啟閉件的形狀分，有針形、溝形和窗形三種。節(jié)流閥的安裝與維護應(yīng)注意以下事項：
該閥經(jīng)常需要操作，因此應(yīng)安裝在易于方面便操作的位置上。
安裝時要注意介質(zhì)方向與閥體所標箭頭方向保持一致。

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節(jié)流閥Z2FS 22A8-31/S2參數(shù)