北京華德?lián)Q向閥4WEH25U50B/6EG24NE25L*
北京華德?lián)Q向閥4WEH25U50B/6EG24NE25L*
北京華德液壓全系列 具體型號(hào)
北京華德?lián)Q向閥部分型號(hào)如下:
4WEH16E50B/6EW220-50NZ4 4WEH16U50B/6EG24NE25L
4WEH16E50B/6EW220-50NZ5 4WEH16Y50B/6CW220-N9ET25L
4WEH16E50B/6EW220-50NZ5L 4WEH16Y50B/6EG24NE25L
4WEH16F50B/6CW220-N9ET25L 4WEH25A50B/6CW220-N9ET25L
4WEH16F50B/6EG24NE25L 4WEH25A50B/6EG24NE25L
4WEH16G50B/6CW220-N9ET25L 4WEH25B50B/6CW220-N9ET25L
4WEH16G50B/6EG24NE25L 4WEH25B50B/6EG24NE25L
4WEH16H50B/6CW220-N9ET25L 4WEH25C50B/6CW220-N9ET25L
4WEH16H50B/6EG24NE25L 4WEH25C50B/6EG24NE25L
4WEH16J50B/6CW220-N9ET25L 4WEH25D50B/6CW220-N9ET25L
4WEH16J50B/6EG24NE25L 4WEH25D50B/6EG24NE25L
4WEH16J50B/6EG24NETZ4 4WEH25E50B/6CW220-N9ET25L
4WEH16J50B/6EG24NETZ5 4WEH25E50B/6EG24NE25L
4WEH16J50B/6EG24NETZ5L 4WEH25E50B/OF6AG24NETZ4
4WEH16J50B/6EG24NEZ4 4WEH25E50B/OF6AG24NETZ5
4WEH16J50B/6EG24NEZ5 4WEH25E50B/OF6AG24NETZ5L
4WEH16J50B/6EG24NEZ5L 4WEH25E50B/OF6AG24NEZ4
4WEH16J50B/6EG24NTZ4 4WEH25E50B/OF6AG24NEZ5
4WEH16J50B/6EG24NTZ5 4WEH25E50B/OF6AG24NEZ5L
4WEH16J50B/6EG24NTZ5L 4WEH25E50B/OF6AG24NTZ4
4WEH16J50B/6EG24NZ4 4WEH25E50B/OF6AG24NTZ5
4WEH16J50B/6EG24NZ5 4WEH25E50B/OF6AG24NTZ5L
4WEH16J50B/6EG24NZ5L 4WEH25E50B/OF6AG24NZ4
北京華德液壓全系列 具體型號(hào)
北京華德?lián)Q向閥部分型號(hào)如下:
4WEH16J50B/6EW220-50NETZ4 4WEH25E50B/OF6AG24NZ5
4WEH16J50B/6EW220-50NETZ5 4WEH25E50B/OF6AG24NZ5L
4WEH16J50B/6EW220-50NETZ5L 4WEH25E50B/OF6AW220-50NETZ4
4WEH16J50B/6EW220-50NEZ4 4WEH25E50B/OF6AW220-50NETZ5
4WEH16J50B/6EW220-50NEZ5 4WEH25E50B/OF6AW220-50NETZ5L
4WEH16J50B/6EW220-50NEZ5L 4WEH25E50B/OF6AW220-50NEZ4
4WEH16J50B/6EW220-50NTZ4 4WEH25E50B/OF6AW220-50NEZ5
4WEH16J50B/6EW220-50NTZ5 4WEH25E50B/OF6AW220-50NEZ5L
4WEH16J50B/6EW220-50NTZ5L 4WEH25E50B/OF6AW220-50NTZ4
4WEH16J50B/6EW220-50NZ4 4WEH25E50B/OF6AW220-50NTZ5
4WEH16J50B/6EW220-50NZ5 4WEH25E50B/OF6AW220-50NTZ5L
4WEH16J50B/6EW220-50NZ5L 4WEH25E50B/OF6AW220-50NZ4
4WEH16L50B/6CW220-N9ET25L 4WEH25E50B/OF6AW220-50NZ5
4WEH16L50B/6EG24NE25L 4WEH25E50B/OF6AW220-50NZ5L
4WEH16M50B/6CW220-N9ET25L 4WEH25F50B/6CW220-N9ET25L
4WEH16M50B/6EG24NE25L 4WEH25F50B/6EG24NE25L
4WEH16P50B/6CW220-N9ET25L 4WEH25G50B/6CW220-N9ET25L
4WEH16P50B/6EG24NE25L 4WEH25G50B/6EG24NE25L
4WEH16T50B/6CW220-N9ET25L 4WEH25H50B/6CW220-N9ET25L
4WEH16T50B/6EG24NE25L 4WEH25H50B/6EG24NE25L
4WEH16U50B/6CW220-N9ET25L 4WEH25J50B/6CW220-N9ET25L
4WEH16U50B/6EG24NE25L 4WEH25J50B/6EG24NE25L
4WEH16Y50B/6CW220-N9ET25L 4WEH25L50B/6CW220-N9ET25L
4WEH16Y50B/6EG24NE25L 4WEH25L50B/6EG24NE25L
4WEH25A50B/6CW220-N9ET25L 4WEH25M50B/6CW220-N9ET25L
4WEH25A50B/6EG24NE25L 4WEH25M50B/6EG24NE25L
4WEH25B50B/6CW220-N9ET25L 4WEH25P50B/6CW220-N9ET25L
4WEH25B50B/6EG24NE25L 4WEH25P50B/6EG24NE25L
4WEH25C50B/6CW220-N9ET25L 4WEH25T50B/6CW220-N9ET25L
4WEH25C50B/6EG24NE25L 4WEH25T50B/6EG24NE25L
4WEH25D50B/6CW220-N9ET25L 4WEH25U50B/6CW220-N9ET25L
4WEH25D50B/6EG24NE25L 4WEH25U50B/6EG24NE25L
4WEH25E50B/6CW220-N9ET25L 4WEH25Y50B/6CW220-N9ET25L
4WEH25E50B/6EG24NE25L 4WEH25Y50B/6EG24NE25L
4WEH25E50B/OF6AG24NETZ4 4WEH32A50B/6CW220-N9ET25L
4WEH25E50B/OF6AG24NETZ5 4WEH32A50B/6EG24NE25L
4WEH25E50B/OF6AG24NETZ5L 4WEH32B50B/6CW220-N9ET25L
4WEH16E50B/6EG24NE25L 4WEH16J50B/6EG24NZ5L
4WEH16E50B/6EG24NETZ4 4WEH16J50B/6EW220-50NETZ4
蘇州登正機(jī)電有限公司介紹常見(jiàn)故障
調(diào)速閥的常見(jiàn)故障及排除
流量調(diào)節(jié)失靈
這是指調(diào)整節(jié)流調(diào)節(jié)部分,出油腔流量不發(fā)生變化,其主要原因是閥芯
徑向卡住和節(jié)流調(diào)節(jié)部分發(fā)生故障等。主要原因是鎖緊裝置松動(dòng),節(jié)流口部分堵塞,油溫升高,進(jìn)、出油腔小壓差過(guò)低和進(jìn)、出油腔接反等。因此在使用時(shí)要注意進(jìn)、出油腔的位置,避免接反。
減壓閥芯或節(jié)流閥芯在全閉位置時(shí),徑向卡住會(huì)使出油腔沒(méi)有流量,在全開(kāi)位置(或節(jié)流口調(diào)整好)時(shí),徑向卡住會(huì)使調(diào)整節(jié)流調(diào)節(jié)部分出油腔流量不發(fā)生變化。
另外,當(dāng)節(jié)流調(diào)節(jié)部分發(fā)生故障時(shí),會(huì)使調(diào)節(jié)螺桿不能軸向移動(dòng),使出油腔流量也不發(fā)生變化。發(fā)生閥芯卡住或節(jié)流調(diào)節(jié)部分故障時(shí),應(yīng)進(jìn)行清洗和修復(fù)。
(二) 流量不穩(wěn)定蘇州登正機(jī)電有限公司介紹
調(diào)速閥
減壓節(jié)流型調(diào)速閥當(dāng)節(jié)流口調(diào)整好鎖緊后,有時(shí)會(huì)出現(xiàn)流量不穩(wěn)定現(xiàn)象,特別在小穩(wěn)定流量時(shí)更易發(fā)生。其主要原因是鎖緊裝置松動(dòng),節(jié)流口部分堵塞,油溫升高,進(jìn)、出油腔小壓差過(guò)低和進(jìn)和出油腔接反等。
油流反向通過(guò)QF型調(diào)速閥時(shí),減壓閥對(duì)節(jié)流閥不起壓力補(bǔ)償作用,使調(diào)速閥變成節(jié)流閥。故當(dāng)進(jìn)、出油腔油液壓力發(fā)生變化時(shí),流經(jīng)的流量就會(huì)發(fā)生變化,從而引起流量不穩(wěn)定。
因此在使用時(shí)要注意進(jìn)、出油腔的位置,避免接反。
(三) 內(nèi)泄漏量增大
減壓節(jié)流型調(diào)速閥節(jié)流口關(guān)閉時(shí),是靠間隙密封,因此不可避免有一定的泄漏量,故它不能作為截止閥用。當(dāng)密封面(減壓閥芯、節(jié)流閥芯和單向閥芯密封面等)磨損過(guò)大后,會(huì)引起內(nèi)泄漏量增加,使流量不穩(wěn)定,特別會(huì)影響到小穩(wěn)定流量。













