R900916657 3DR10P4-6X/100Y/00M
庫(kù)存大量REXROTH柱塞泵A10VSO,齒輪泵PGH4\5,電磁閥4WE，電子變量泵SYDFEE-2X,電液比例控制閥0811,電液換向閥4WEH、4WE,減壓閥DR10、DR20、疊加閥ZD、Z1S、Z2S,電磁溢流閥DBW，直動(dòng)式溢流閥DBD、0532，先導(dǎo)溢流閥DB10、DB20,電磁球閥M-S、M-3S,力士樂(lè)電液比例控制閥\放大器、壓力繼電器0811，價(jià)格好，歡迎來(lái)電咨詢

3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M
3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M

上海心雨機(jī)電設(shè)備有限公司
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力士樂(lè)減壓閥減壓閥是通過(guò)調(diào)節(jié)，將進(jìn)口壓力減至某一需要的出口壓力，并依靠介質(zhì)本身的能量，使出口壓力自動(dòng)保持穩(wěn)定的閥門(mén)。
從流體力學(xué)的觀點(diǎn)看，減壓閥是一個(gè)局部阻力可以變化的節(jié)流元件，即通過(guò)改變節(jié)流面積，使流速及流體的動(dòng)能改變，造成不同的壓力損失，從而達(dá)到減壓的目的。
然后依靠控制與調(diào)節(jié)系統(tǒng)的調(diào)節(jié)，使閥后壓力的波動(dòng)與彈簧力相平衡，使閥后壓力在一定的誤差范圍內(nèi)保持恒定。

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液壓元件可分為動(dòng)力元件和控制元件以及執(zhí)行元件三大類。盡管都是液壓元件，它們的自身功能和安裝使用的技術(shù)要求也不盡相同，現(xiàn)分別介紹如下：

動(dòng)力元件：指的是各種液壓泵，齒輪泵、葉片泵、柱塞泵、螺桿泵。

1、齒輪油泵和串聯(lián)泵（包括外嚙合與內(nèi)嚙合）兩種結(jié)構(gòu)型式。

2、葉片油泵（包括單級(jí)泵、變量泵、雙級(jí)泵、雙聯(lián)泵）。

3、柱塞油泵，又分為軸向柱塞油泵和徑向柱塞油泵，軸向柱塞泵有定量泵、變量泵、（變量泵又分為手動(dòng)變量與壓力補(bǔ)償變量、伺服變量等多種）從結(jié)構(gòu)上又分為端面配油和閥式配油兩種配油方式，而徑向柱塞泵的配油型式，基本上為閥式配油。）；

執(zhí)行元件：液壓缸和液壓馬達(dá)，液壓缸有活塞液壓缸、柱塞液壓缸、擺動(dòng)液壓缸、組合液壓缸；液壓馬達(dá)有齒輪式液壓馬達(dá)、葉片液壓馬達(dá)、柱塞液壓馬達(dá)；

控制元件：方向控制閥、單向閥、換向閥；

壓力控制閥：溢流閥、減壓閥、順序閥、壓力繼電器等；

流量控制閥：節(jié)流閥、調(diào)速閥、分流閥；

輔助元件：除上述三部分以外的其它元件，包括壓力表、濾油器、蓄能裝置、冷卻器、管件
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