DBETBEX-1X/180G24K31F1M現(xiàn)貨力士樂
經(jīng)營(yíng)產(chǎn)品：
閥類：電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡
閥、插裝閥、比例閥等
泵類：齒輪泵、柱塞泵、葉片泵等
承諾：保證原裝正品，假一賠十 量大價(jià)格好商量！！
武穴黎翔機(jī)電設(shè)備有限公司REXROTH力士樂銷售部
詢價(jià)聯(lián)系人：陳工
詢價(jià)熱線： 0713-8529058，18995766168
詢價(jià)QQ: 1477538929， 2593165857
歡迎您的來電！
傳真：0713-6542758
廣泛應(yīng)用于鋼鐵、冶金、鋁行業(yè)、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機(jī)械、食品、藥業(yè)、林業(yè)、紡織、皮革、造紙等行業(yè)領(lǐng)域比例閥伺服閥的主閥一般來說和換向閥一樣是滑閥結(jié)構(gòu)，只不過閥芯的換向不是靠電磁鐵來推動(dòng)，而是靠前置級(jí)閥輸出的液壓力來推動(dòng)，這一點(diǎn)和電液換向閥比較相似，只不過電液換向閥的前置級(jí)閥是電磁換向閥，而伺服閥的前置級(jí)閥是動(dòng)態(tài)特性比較好的噴嘴擋板閥或射流管閥。也就是說，伺服閥的主閥是靠前置級(jí)閥的輸出壓力來控制的，而前置級(jí)閥的壓力則來自于伺服閥的入口p，假如p口的壓力不足，前置級(jí)閥就不能輸出足夠的壓力來推動(dòng)主閥芯動(dòng)作。而我們知道，當(dāng)負(fù)載為零的時(shí)候，如果四通滑閥完全打開，p口壓力=t口壓力+閥口壓力損失（忽略油路上的其它壓力損失），如果閥口壓力損失很小，t口壓力又為零，那么p口的壓力就不足以供給前置級(jí)閥來推動(dòng)主閥芯，整個(gè)伺服閥就失效了。所以伺服閥的閥口做得偏小，即使在閥口全開的情況下，也要有一定的壓力損失，來維持前置級(jí)閥的正常工作。伺服閥其實(shí)缺點(diǎn)極多：能耗浪費(fèi)大、容易出故障、抗污染能力差、價(jià)格昂貴等等等等，好處只有一個(gè)：動(dòng)態(tài)性能是所有液壓閥中最高的。就憑著這一個(gè)優(yōu)點(diǎn)，在很多對(duì)動(dòng)態(tài)特性要求高的場(chǎng)合不得不使用伺服閥，如飛機(jī)火箭的舵機(jī)控制、汽輪機(jī)調(diào)速等等。動(dòng)態(tài)要求低一點(diǎn)的，基本上都是比例閥的天下了。一般說來，好像伺服系統(tǒng)都是閉環(huán)控制，比例多用于開環(huán)控制；其次比例閥類型要多，有比例壓力、流量控制閥等，控制比伺服要靈活一些。從他們內(nèi)部結(jié)構(gòu)看，伺服閥多是零遮蓋，比例閥則有一定的死區(qū)，控制精度要低，響應(yīng)要慢。但從發(fā)展趨勢(shì)看，特別在比例方向流量控制閥和伺服閥方面，兩者性能差別逐漸在縮小，另外比例閥的成本比伺服閥要低許多，抗污染能力也強(qiáng)！
2X2X Software Ltd（簡(jiǎn)稱2X）是一家面向快速發(fā)展的基于服務(wù)器計(jì)算架構(gòu)市場(chǎng)的軟件開發(fā)商，全球領(lǐng)先致力于為企業(yè)提供應(yīng)用軟件訪問解決方案的供應(yīng)商。2X在美國(guó)、德國(guó)、英國(guó)、法國(guó)、澳大利亞、日本、塞浦路斯、馬耳他分別設(shè)有辦事處。
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0811402006 DBETBX-1X/180G24-16K4M
0811402003 DBETBX-1X/180G24-37Z4M
0811402015 DBETBX-1X/80G24-16Z4M
0811402014 DBETBX-1X/230G24-16Z4M
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0811402011 DBETBX-1X/25G24-16Z4M
0811402007 DBETBX-1X/80G24-37Z4M-38
0811402005 DBETBX-1X/315G24-37Z4M-38
0811402004 DBETBX-1X/315G24-37Z4M
0811402001 DBETBX-1X/250G24-37Z4M-38
0811104083 DBETBX-1X/315G24-16Z4M
0811104082 DBETBX-1X/180G24-16Z4M-37
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0811402140 DBETBEX-1X/80G24K31F1M
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0811402070 DBETBEX-1X/315G24K31A1M
0811402073 DBETBEX-1X/250G24K31A1M
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DBETX-1X/180G24-8NZ4M DBETX-10/180G24-8NZ4M 現(xiàn)貨
DBETX-1X/250G24-8NZ4M DBETX-10/250G24-8NZ4M 現(xiàn)貨
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DBETX-1X/180G24-25NZ4M 現(xiàn)貨
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DBET-61/350YG24K4M 現(xiàn)貨
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DBETE-6X/100G24K31F1V 現(xiàn)貨
DBETE-6X/100YG24K31A1V 現(xiàn)貨
DBETE-6X/200G24K31A1V 現(xiàn)貨重點(diǎn)
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DBETE-6X/200YG24K31A1V 現(xiàn)貨重點(diǎn)
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DBETE-6X/250G24K31A1V現(xiàn)貨重點(diǎn)
DBETE-6X/315G24K31A1V現(xiàn)貨重點(diǎn)
DBETE-6X/315G24K31F1V現(xiàn)貨重點(diǎn)
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力士樂 DBE 系列
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R900916135 DBEM30-3X/200XYG24K4M
R901147917 DBEM30-3X/315YG24K4V
R900552114 DBEM30-3X/315YG24K4M
R900946936 DBEM30-3X/315XYG24K4M
R900968942 DBEM30-3X/350YG24K4M
R900245866 DBEM30-3X/350XYG24K4M
R901180335 DBEE30-3X/100YG24K31M
R901114355 DBEE30-3X/200YG24K31M
R900704919 DBEE30-3X/315YG24K31M
在線咨詢 
