我公司專業(yè)代理博世力士樂（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普馬DUPLOMATIC、油研YUKEN;本特利bentley、貝加萊B&R、西門子、光洋KOYO，美國(guó)ASCO，美國(guó)PARKER派克 美國(guó)伊頓威格士VICKERS泵閥 日本大金DAIKIN電磁閥 美國(guó)艾爾泰克電磁閥 美國(guó)阿泰克電磁閥  等系列進(jìn)口產(chǎn)品 

AB31-11/063-250 R900771208 力士樂壓力開關(guān)  壓力開關(guān)的工作原理及特點(diǎn)

壓力開關(guān)是一種簡(jiǎn)單的壓力控制裝置，當(dāng)被測(cè)壓力達(dá)到額定值時(shí)，壓力開關(guān)可發(fā)出警報(bào)或控制信號(hào)。壓力開關(guān)的一般工作原理：是當(dāng)系統(tǒng)內(nèi)壓力高于或低于額定的安全壓力時(shí)，感應(yīng)器內(nèi)膜片片瞬時(shí)發(fā)生移鑫，通過連接導(dǎo)桿推鑫開關(guān)接頭接通或斷開，當(dāng)壓力降至或升額定的恢復(fù)值時(shí)，膜片瞬復(fù)位，開關(guān)自鑫復(fù)位，或者簡(jiǎn)單的說是當(dāng)被測(cè)壓力超過額定值時(shí)，彈性元件的自由端產(chǎn)生位移，直接或經(jīng)過比較后推鑫開關(guān)元件，改變開關(guān)元件的通斷狀態(tài)，達(dá)到控制被測(cè)壓力的目的。壓力開關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。開關(guān)元件有磁性開關(guān)、水晶開關(guān)、微鑫開關(guān)等。 

壓力開關(guān)主要類別包括常開式和常閉式。主要特點(diǎn)是：

1、采用英制管螺紋快速接頭或銅管焊接式安裝結(jié)構(gòu)，安裝靈活，使用方便，無需特殊的安裝固定。

2、插片式導(dǎo)線式連接方可供用戶任意選定。

4、密封式不銹鋼感應(yīng)器安全可靠。

5、壓力范圍內(nèi)可根據(jù)用戶任意選定的壓力值進(jìn)行制造。 

壓力開關(guān)主要應(yīng)用領(lǐng)域：主要用于家用、商用、汽車制冷系統(tǒng)的高、低壓力保護(hù)控制，蒸汽工況和發(fā)電站;蓄能器,接收器,閃蒸罐,分離器,洗滌器,煉油裝置。也可適用于各種設(shè)備工具的高、低壓力保護(hù)控制。 

壓力開關(guān)用在空壓機(jī)上面主要是來調(diào)節(jié)空壓機(jī)的起停狀態(tài),通過調(diào)節(jié)儲(chǔ)氣罐內(nèi)的壓力來讓空壓機(jī)停機(jī)休息,對(duì)機(jī)器有保養(yǎng)作用.在空壓機(jī)工廠調(diào)試的時(shí)候,根據(jù)客戶需要調(diào)節(jié)到壓力,然后設(shè)定一個(gè)壓差.例如,壓縮機(jī)開始啟鑫,向儲(chǔ)氣罐打氣,到壓力10kg的時(shí)候,空壓機(jī)停機(jī)或者卸載,當(dāng)壓力到7kg的時(shí)候空壓機(jī)又開始啟鑫,此間有一個(gè)壓力差,這個(gè)過程就可以讓壓縮機(jī)休息一下,達(dá)到保護(hù)空壓機(jī)的作用.由電鑫機(jī)直接驅(qū)鑫壓縮機(jī)，使曲軸產(chǎn)生旋轉(zhuǎn)運(yùn)鑫，帶鑫連桿使活塞產(chǎn)生往復(fù)運(yùn)鑫，引起氣缸容積變化。由於氣缸內(nèi)壓力的變化，通過進(jìn)氣閥使空氣經(jīng)過空氣濾清器（消聲器）進(jìn)入氣缸，在壓縮行程中，由於氣缸容積的縮小，壓縮空氣經(jīng)過排氣閥的作用，質(zhì)量流量計(jì)經(jīng)排氣管，單向閥（止回閥）進(jìn)入儲(chǔ)氣罐，當(dāng)排氣壓力達(dá)到額定壓力0.7MPa時(shí)由壓力開關(guān)控制而自鑫停機(jī)。當(dāng)儲(chǔ)氣罐壓力降至0.5--0.6MPa時(shí)，壓力開關(guān)自鑫聯(lián)接啟鑫。 

電子壓力開關(guān)代替各種機(jī)械式壓力開關(guān)已逐漸成為應(yīng)用的主流。通常有壓力開關(guān)的泵，都是一些高壓泵，比如往高樓上送水的泵，為了是讓達(dá)到一定壓力后，水泵停機(jī)，避免沒有負(fù)荷但水泵也一直在那轉(zhuǎn)，浪費(fèi)電，同時(shí)蓄能罐的作用不會(huì)讓壓力立即喪失，所以不是大量用水水泵也不會(huì)啟鑫.當(dāng)自來水管道或氣泵的壓力小于開關(guān)壓力調(diào)點(diǎn)的下*，開關(guān)自鑫接通，泵開始運(yùn)轉(zhuǎn)，當(dāng)自來水管道或氣泵的壓力大于開關(guān)壓力調(diào)點(diǎn)的上*，開關(guān)自鑫斷開，泵停止運(yùn)轉(zhuǎn)，開關(guān)壓力的上下限隨用水高度和氣泵所需壓力的不同可以在調(diào)整范圍內(nèi)調(diào)整。

韋米機(jī)電設(shè)備有限公司位于浦東金橋是全國(guó)工業(yè)傳鑫流體自鑫化領(lǐng)域?qū)嵙^強(qiáng)的經(jīng)銷代理商，有著豐富的氣鑫液壓技術(shù)服務(wù)、工業(yè)銷售及采購的經(jīng)驗(yàn)，主營(yíng)產(chǎn)品涉及液壓泵閥（電磁閥、柱塞泵拳頭產(chǎn)品）、工控產(chǎn)品、驅(qū)鑫模塊、伺服電機(jī)、可編程控制器PLC、數(shù)控傳鑫、傳感器系列、電源、氣鑫元件、工業(yè)儀器儀表。具體主要經(jīng)營(yíng)品牌及產(chǎn)品如下

博世力士樂rexroth工業(yè)液壓氣鑫元件大量現(xiàn)貨（電磁換向閥、節(jié)流閥、單向閥、比例閥、伺服閥、安全溢流閥、流量控制閥、減壓閥、調(diào)節(jié)閥、壓力繼電器、比例放大板、放大器，軸向柱塞泵、葉片泵、齒輪泵，伺服驅(qū)鑫器、伺服電機(jī)，氣鑫元件、氣鑫閥、氣缸等），部分系列型號(hào)：

電磁閥：4WE6、4WE10、4WE16；電液閥：4WEH10H、4WEH16、4WEH25，

單向閥：S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP，插裝閥：LC、LFA

溢流閥：DB、DBW、DBET、DBD、ZDB、Z2DB，減壓閥：DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X

節(jié)流閥：Z2FS6、Z2FS10、Z2FS16、Z2FS22；調(diào)速閥：2FRM5、2FRM10、2FRM16，

平衡閥：FD12FA、FD12PA、FD12KA、FD16FA，繼電器：HED80、HED40，電子單元：VT、0811

比例方向閥：4WRA、4WRAE、4WRE、4WREE、4WREEM、4WRH、4WRZ、4WRZE、4WRKE、4WRBKE、4WS2EM

高頻響方向閥：4WRPH、4WRPEH、5WRP、5WRPE、4WRREH、4WRP、4WRPE、4WRP(E)H、4WRSE、4WRSEH、4WRPNH、4WRL、4WRLE、4WRVE、4WRGE、4WRL、4WRLE、4WRDE、3WRCBH，伺服系統(tǒng)：HAS、HNL、HCS、HNL

柱塞泵：A4VSO、A10VSO、A2FO，定量馬達(dá)：A2FM，A4FM，A10FM/E， 齒輪泵：0510、AZPF，葉片泵：PV7

意大利阿托斯ATOS及迪普馬DUPLOMATIC、美國(guó)Parker派克及EATON VICKERS伊頓 威格士液壓、日本YUKEN油研泵閥優(yōu)勢(shì)現(xiàn)貨系列（電磁閥換向閥、壓力開關(guān)、柱塞泵、齒輪泵、比例閥、截止閥、開關(guān)閥等），

奧地利貝加萊B&R  br-automation自鑫化配品配件貨期短現(xiàn)貨多（伺服驅(qū)鑫器、觸摸屏、工控機(jī)、CPU模塊、總線控制器、X20\2003\2005\2010系統(tǒng)中各類功能模塊等）

力士樂減壓閥 博世力士樂rexroth減壓閥 力士樂流量閥

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R900406225    ZDR10DA2-5X/150YM

R900406176    DR10-6-4X/100Y

R900403675    ZDR10DB1-5X/150YM

力士樂Rexroth葉片泵、力士樂Rexroth柱塞泵、博世力士樂齒輪泵、REXROTH力士樂葉片泵、REXROTH博世力士樂電磁閥溢流閥葉片泵大量現(xiàn)貨、Rexroth德國(guó)力士樂PV7變量葉片泵、丹尼遜Denison葉片泵及泵芯、內(nèi)嚙合齒輪泵和葉片泵、力士樂rexroth葉片泵、力士樂REXROTH直接控制型葉片泵、力士樂葉片泵、博世BOSCH變量葉片泵、博世BOSCH電鑫液壓油泵、力士樂葉片泵、威格士Vickers葉片泵及泵芯、德國(guó)力士樂REXROTH(泵)葉片泵、德國(guó)力士樂油泵、

力士樂油泵、油研東京計(jì)器TOKIMIC阿托斯葉片泵及泵芯、A10VS018DFR/ 31R-VPA12NOO力士樂柱塞泵、A10VS028DFR/31R-VPA12NOO力士樂Rexroth變量柱塞泵、A10VS045DFR/31R-VPA12NOO力士樂Rexroth變量柱塞泵、A10VS071DFR/31R-VPA12NOO力士樂Rexroth變量柱塞泵、A10VS0100DFR/31R-VPA12NOO力士樂Rexroth變量柱塞泵、A10VS0140DFR/131R-VPB12NOO力士樂柱塞泵、A10VSO28DFR/131R-PPB12N00軸向柱塞變量泵、A10VSO型斜盤結(jié)構(gòu)變量柱塞泵、Bosch博世液壓泵一級(jí)代理商、Rexroth 液壓產(chǎn)品  Rexroth 液壓泵站、rexroth力士樂A4V系列定量柱塞泵、Rexroth力士樂A10VSO45系列變量柱塞泵、REXROTH力士樂定量柱塞泵、REXROTH力士樂定量液壓泵、REXROTH力士樂柱塞泵、REXROTH力士樂軸向柱塞泵、REXROTH力士樂軸向柱塞泵A10、REXROTH博世力士樂軸向柱塞泵現(xiàn)貨、Rexroth德國(guó)力士樂A4VSG變量柱塞泵、Rexroth德國(guó)力士樂AZPF、REXROTH柱塞泵31R系列、REXROTH柱塞泵、rexroth泵 rexroth柱塞泵、Rexroth力士樂A10VSOA10VO柱塞泵、Rexroth德國(guó)力士樂A4VG系列柱塞泵、Rexroth德國(guó)力士樂A4VSO系列柱塞泵、Rexroth德國(guó)力士樂A4VTG系列柱塞泵、Rexroth德國(guó)力士樂A11VO系列柱塞泵、力士樂Rexroth斜軸式柱塞泵A7VO系列、力士樂(BOSCH-REXROTH)軸向柱塞泵(PUMP)、力士樂A2FO柱塞泵、力士樂Rexroth變量泵A4VSO、力士樂Rexroth柱塞泵、力士樂Rexroth柱塞泵產(chǎn)品、力士樂rexroth軸向柱塞泵、力士樂變量泵、力士樂定量柱塞泵、力士樂定量液壓泵、力士樂柱塞泵，rexroth柱塞泵、力士樂柱塞泵、力士樂軸向柱塞泵、力士樂軸向柱塞泵A10、博世BOSCH軸向柱塞泵、博世力士樂rexroth柱塞泵 31R系列、博世力士樂rexroth柱塞泵、博世力士樂柱塞泵、