OD150518A8000V0 R930068784 電磁閥

OD150518A8000V0 R930068784  REXROTH電磁閥；上海韋米機(jī)電設(shè)備有限公司主營銷售產(chǎn)品，產(chǎn)品實(shí)拍，原裝正品，客戶買的安心，用的放心。常用產(chǎn)品現(xiàn)貨供應(yīng)，歡迎新老客戶詢價(jià)采購！

產(chǎn)品簡介：

力士樂REXROTH電磁插裝閥

電磁座閥，先導(dǎo)式

VEI-16-NC_004

OD.15.03.04 - Y - Z

2 通，常閉

先導(dǎo)驅(qū)動(dòng)提升閥類型

特殊孔 004

大工作壓力 350 bar

大流量 260 l/min

線圈 S8

 

力士樂REXROTH電磁插裝閥

電磁座閥，先導(dǎo)式

VEI-16-NC

OD.15 - X - 89 - Y - Z

2 通，常閉

先導(dǎo)驅(qū)動(dòng)提升閥類型

通用插孔，尺寸 12

大工作壓力 350 bar

大體積流量可達(dá) 150 l/min

線圈 D36

 

力士樂REXROTH電磁插裝閥

電磁座閥，先導(dǎo)式

VEI-16-16A-NC

OD.15 - X - 75 - Y - Z

2 通，常閉

先導(dǎo)驅(qū)動(dòng)提升閥類型

通用插孔，尺寸 16

大工作壓力 350 bar

大體積流量可達(dá) 150 l/min

線圈 D36

 

力士樂REXROTH電磁插裝閥

電磁座閥，先導(dǎo)式

VEI-16-08F-NC

OD.15 - X - 39 - Y - Z

2 通，常閉

先導(dǎo)驅(qū)動(dòng)提升閥類型

特殊孔，039-E

大工作壓力 350 bar

大體積流量可達(dá) 40 l/min

線圈 D36

 

螺紋插裝閥的發(fā)展趨勢(shì)在很大程度上就代表了液壓閥的發(fā)展趨勢(shì)但又有它自身的特點(diǎn)。

1.壓力的不斷提升液壓技術(shù)的優(yōu)點(diǎn)之一就是能容比大，其中就是壓力高。目前泵的工作壓力已達(dá)到42MPa，尖峰壓力為48MPa,這就要求閥的壓力也必須在42-48MPa以上。而螺紋插裝閥與二通插裝閥都是能承受這壓力的閥種。而且承受更高的壓力也是有可能的。目前從材料與應(yīng)用的角度看，35-42MPa是正走向經(jīng)濟(jì)合理。

2.閥的通徑和流量

閥的通徑增加意味閥的流量的不斷加大。螺紋插裝閥的較好通徑是M48×2，節(jié)流閥流量可達(dá)1600l/min；邏輯閥流量達(dá)800l/min；單向閥流量640l/min；平衡閥、流量閥等200-480l/min。這一通徑是目前所有的螺紋插裝閥中的較好通徑。另一方向是閥可向更小方向減少，用于小流量范圍，如小于5l/min以下，這在其他閥種已經(jīng)比較困難。

3.綜合功能的專用閥品種的增加

螺紋插裝閥優(yōu)于其他閥種的較好特點(diǎn)之一就是便于開發(fā)而且周期短。這方面的發(fā)展是隨液壓應(yīng)用的要求而發(fā)展的。如果主機(jī)行業(yè)的設(shè)計(jì)人員不僅熟知主機(jī)的工藝要求，還要對(duì)液壓螺紋插裝閥了解更多。

4.提高控制閥的控制精度

目前螺紋插裝閥的比例控制、平衡閥、分流閥等的較好的控制精度還不及板式閥。從大多數(shù)螺紋插裝閥廠商生產(chǎn)的螺紋插裝比例閥來看，滯環(huán)在3-10%，頻響（-3db）在10-25Hz以下，線性度較差與板式閥相比還差一個(gè)數(shù)量級(jí)。這是因?yàn)槟壳奥菁y插裝閥的主要市場還是工程機(jī)械，其負(fù)載要求的控制精度不高，可以滿足基本要求。但螺紋插裝閥要進(jìn)入工業(yè)液壓的領(lǐng)域，這一控制精度是不能滿足要求的，因此尚有很大的發(fā)展空間。

5.提出更多的材質(zhì)研究要求，進(jìn)入水液壓領(lǐng)域

螺紋插裝閥的材質(zhì)可選性與產(chǎn)品性能、壽命的聯(lián)系密切，而不像板式閥已經(jīng)定型。需要深入研究。發(fā)展不銹鋼、有色金屬、表面處理等材質(zhì)或工藝，使螺紋插裝閥進(jìn)入水液壓等領(lǐng)域。由于螺紋插裝閥擺脫了閥體的束縛，在材質(zhì)上的應(yīng)用余地更大，是今后用于水液壓等場合的很好可選閥種。

6.總線技術(shù)等新技術(shù)進(jìn)入電磁控制閥

總線技術(shù)的時(shí)代已經(jīng)到來，目前已經(jīng)發(fā)展了可用于液壓所有元件的總線通訊控制系統(tǒng)，使液壓控制系統(tǒng)從電控的方面又加強(qiáng)了先進(jìn)性與可靠性。這在工程技術(shù)又特別的重要，因?yàn)檫@是工程機(jī)械發(fā)展的方向之一。

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公示： 因工業(yè)液壓、自動(dòng)化各進(jìn)口品牌備件型號(hào)繁多，歐美產(chǎn)品價(jià)格實(shí)時(shí)變化，因此很難實(shí)時(shí)標(biāo)出準(zhǔn)確價(jià)格，請(qǐng)以業(yè)務(wù)員實(shí)際報(bào)價(jià)單價(jià)格為準(zhǔn)！ 給您帶來不便敬請(qǐng)諒解。