德國力士樂REXROTH壓力控制閥,力士樂壓力控制閥,250G24-8NZ4M
添加主油口液壓背壓②(T)
將1:1至設(shè)定壓力設(shè)定在調(diào)整 閥門。
RD第五萬〇八十八
液壓油礦物油(HL,HLP)按DIN51524;快速生物降解
壓力介質(zhì)按VDMA24568(參見
RE90221); HETG(菜籽油); HEPG(聚乙二醇); HEES
(合成酯);應(yīng)要求提供其它工作液
工作液溫度范圍°C -20至+80
粘度范圍mm2/ s 10至800
任何安裝位置
環(huán)境溫度范圍°C -20至+80
*由彈簧預(yù)緊壓力閥的設(shè)置
p彈簧=200巴
- 液壓背壓主油口②(T): p液壓=50巴
*設(shè)定壓力= p彈簧+ p液壓=250巴
zui大工作壓力 - 500巴的輸入
- 輸出315桿(50桿的設(shè)定壓力500巴)
zui大設(shè)定壓力bar25; 50; 100; 200; 315; 350; 420; 500
zui大流量l / min20
壓力流體的zui大允許程度
純度等級(jí)按照ISO4406(三)
等級(jí)20/18/151)
REXROTH壓力控制閥是控制和調(diào)節(jié)液流壓力的閥的總稱,簡(jiǎn)稱壓力閥。
REXROTH壓力調(diào)節(jié)范圍
壓力調(diào)節(jié)范圍是指調(diào)壓彈簧在規(guī)定的范圍內(nèi)調(diào)節(jié)時(shí),系統(tǒng)壓力能平穩(wěn)地上升或下降,且壓力無突跳及遲滯現(xiàn)象時(shí)的zui大和zui小調(diào)定壓力。溢流閥的zui大允許流量為其額定流量,在額定流量下工作時(shí),溢流閥應(yīng)無噪聲、溢流閥的zui小穩(wěn)定流量取決于它的壓力平穩(wěn)性要求,一般規(guī)定為額定流量的15%。
德國rexroth流量控制閥手動(dòng)閥芯是用來調(diào)節(jié)流量的,德國rexroth流量控制閥根據(jù)顯示值來設(shè)定所需的流量值。自動(dòng)閥芯是用來維持流量恒定的,即在管網(wǎng)壓力變化時(shí),德國rexroth流量控制閥自動(dòng)閥芯就會(huì)在壓力的作用下自動(dòng)開大火關(guān)小閥口來維持設(shè)定流量數(shù)值不變。
數(shù)顯流德國rexroth流量控制閥其結(jié)構(gòu)是由自動(dòng)閥芯,手動(dòng)閥芯及顯示器部分組成。顯示部分則由流量閥機(jī)芯、傳感器發(fā)訊器、電子計(jì)算器顯示器部分組成。
德國rexroth流量控制閥是在一定壓力差下,依靠改變節(jié)流口液阻的大小來控制節(jié)流口的流量,從而調(diào)節(jié)執(zhí)行元件(德國rexroth液壓缸或液壓馬達(dá))運(yùn)動(dòng)速度的閥類。主要包括德國rexroth節(jié)流閥、德國rexroth調(diào)速閥、德國rexroth溢流節(jié)流閥和分流集流閥等。安裝形式為水平安裝。其連接方式分為法蘭式與螺紋式;焊接式。德國rexroth控制調(diào)節(jié)方式分為自動(dòng)與手動(dòng)。
德國rexroth流量控制閥工作原理有哪些?
德國rexroth流量控制閥它的工作是極其復(fù)雜的。被測(cè)水流經(jīng)閥門,水流沖擊流量機(jī)芯內(nèi)的葉輪,德國rexroth流量控制閥葉輪旋轉(zhuǎn)與傳感發(fā)訊器感應(yīng),使傳感器發(fā)出與流量成正比的電訊號(hào),德國rexroth流量控制閥流量電訊號(hào)通過導(dǎo)線送入電子計(jì)算器,經(jīng)過計(jì)算器計(jì)算、微處理器處理后,其流量值顯示出來。
德國力士樂REXROTH壓力控制閥,力士樂壓力控制閥,250G24-8NZ4M
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