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中國(guó)臺(tái)灣富偉氣動(dòng)泵fp1014u-4-4c
中國(guó)臺(tái)灣富偉氣動(dòng)泵fp1014u-4-4c
調(diào)節(jié)閥不動(dòng)作
調(diào)節(jié)閥不動(dòng)作的故障現(xiàn)象包括:
(1)無(wú)信號(hào)、無(wú)氣源。產(chǎn)生的原因是氣源沒(méi)有打開(kāi)或者氣源發(fā)生故障,風(fēng)管堵塞或者減壓閥由于堵塞失效,壓縮機(jī)發(fā)生故障燈;
(2)有氣源,無(wú)信號(hào)。產(chǎn)生原因是定位器由于波紋管破裂產(chǎn)生漏氣現(xiàn)象而發(fā)生故障,或者轉(zhuǎn)換器發(fā)生故障;
(3)定位器無(wú)氣源。產(chǎn)生原因是過(guò)濾器、減壓器發(fā)生堵塞現(xiàn)象而失效;
(4)定位器有氣源但是無(wú)輸出。產(chǎn)生原因是定位器節(jié)流孔內(nèi)有堵塞而發(fā)生故障;
(5)有信號(hào),無(wú)動(dòng)作。產(chǎn)生原因是閥芯脫落;閥桿彎曲或折斷。
5、調(diào)節(jié)閥動(dòng)作不穩(wěn)定
調(diào)節(jié)閥不穩(wěn)定的原因是:
(1)壓縮機(jī)容量太小,導(dǎo)致減壓閥發(fā)生故障,從而產(chǎn)生氣源壓力不穩(wěn)定的現(xiàn)象;
(2)調(diào)節(jié)器不穩(wěn)定,控制系統(tǒng)的時(shí)間常數(shù)不合適,從而產(chǎn)生信號(hào)壓力不穩(wěn)定現(xiàn)象;
(3)閥桿在運(yùn)動(dòng)中的摩擦阻力很大,在接觸過(guò)程中發(fā)生阻滯現(xiàn)象;
(4)定位器中放大器的球閥受臟物磨損關(guān)不嚴(yán),耗氣量特別增大時(shí)會(huì)產(chǎn)生輸出震蕩
6、調(diào)節(jié)閥動(dòng)作遲鈍
氣動(dòng)薄膜在運(yùn)行中發(fā)生破損泄露,使閥桿在單方面動(dòng)作時(shí)遲鈍;定位器反應(yīng)性能較弱,會(huì)導(dǎo)致調(diào)節(jié)閥動(dòng)作遲鈍;
調(diào)節(jié)閥內(nèi)有鐵銹等阻塞物,發(fā)生堵塞現(xiàn)象,使調(diào)節(jié)閥在軸向運(yùn)動(dòng)中動(dòng)作遲緩;
填料質(zhì)量差或者填料填充太緊密,使摩擦阻力增大,從而導(dǎo)致調(diào)節(jié)閥動(dòng)作遲鈍的現(xiàn)象。
中國(guó)臺(tái)灣ERLY弋力葉片泵 中國(guó)臺(tái)灣ERLY弋力辦事處
中國(guó)臺(tái)灣ERLY弋力總經(jīng)銷 蘇州登正中國(guó)臺(tái)灣ERLY弋力代理
PV2R1-6-F-RAA PV2R1-8-F-RAA,
PV2R1-10-F-RAA PV2R1-12-F-RAA,
PV2R1-14-F-RAA PV2R1-17-F-RAA,
PV2R1-19-F-RAA PV2R1-23-F-RAA,
PV2R1-25-F-RAA PV2R1-31-F-RAA,
PV2R1-6-F-LAA PV2R1-8-F-LAA,
PV2R1-10-F-LAA PV2R1-12-F-LAA,
PV2R1-14-F-LAA PV2R1-17-F-LAA,
PV2R1-19-F-LAA PV2R1-23-F-LAA,
PV2R1-25-F-LAA PV2R1-31-F-LAA,
PV2R1-6-L-RAA PV2R1-8-L-RAA,
PV2R1-10-L-RAA PV2R1-12-L-RAA,
PV2R1-14-L-RAA PV2R1-17-L-RAA,
PV2R1-19-L-RAA PV2R1-23-L-RAA,
PV2R1-25-L-RAA PV2R1-31-L-RAA,
PV2R1-6-L-LAA PV2R1-8-L-LAA,
PV2R1-10-L-LAA PV2R1-12-L-LAA,
PV2R1-14-L-LAA PV2R1-17-L-LAA,
PV2R1-19-L-LAA PV2R1-23-L-LAA,
PV2R1-25-L-LAA PV2R1-31-L-LAA.
中國(guó)臺(tái)灣ERLY弋力葉片泵 中國(guó)臺(tái)灣ERLY弋力辦事處
中國(guó)臺(tái)灣ERLY弋力總經(jīng)銷 蘇州登正中國(guó)臺(tái)灣ERLY弋力代理
高壓定量葉片泵PV2R1-10-F-RAA,
PV2R1-12-F-RAA,PV2R1-14-F-RAA,
高壓定量葉片泵PV2R2-26,PV2R2-33,
葉片泵PV2R2-41 葉片泵PV2R2-47 葉片泵PV2R2-53 葉片泵PV2R2-59
葉片泵PV2R2-65 葉片泵PV2R2-75 葉片泵PV2R2-26-F-RAA
PV2R2-33-F-RAA PV2R2-41-F-RAA
PV2R2-47-F-RAA PV2R2-53-F-RAA,
PV2R2-59-F-RAA PV2R2-65-F-RAA,
PV2R2-75-F-RAA PV2R2-26-F-LAA,
PV2R2-33-F-LAA PV2R2-41-F-LAA,
PV2R2-47-F-LAA PV2R2-53-F-LAA,
PV2R2-59-F-LAA PV2R2-65-F-LAA,
PV2R2-75-F-LAA PV2R2-26-L-RAA,
PV2R2-33-L-RAA PV2R2-41-L-RAA,
PV2R2-47-L-RAA PV2R2-53-L-RAA,
PV2R2-59-L-RAA PV2R2-65-L-RAA,
PV2R2-75-L-RAA PV2R2-26-L-LAA,
PV2R2-33-L-LAA PV2R2-41-L-LAA,
PV2R2-47-L-LAA PV2R2-53-L-LAA,
PV2R2-59-L-LAA PV2R2-65-L-LAA.
PV2R2-75-L-LAA