R901102708力士樂(lè)壓力繼電器

R901102708 HED8OA-2X/200K14力士樂(lè)壓力繼電器

1.壓力繼電器，液壓術(shù)語(yǔ)，是液壓系統(tǒng)中當(dāng)流體壓力達(dá)到預(yù)定值時(shí)，使電接點(diǎn)動(dòng)作的元件。

2.是將壓力轉(zhuǎn)換成電信號(hào)的液壓元器件，客戶根據(jù)自身的壓力設(shè)計(jì)需要，通過(guò)調(diào)節(jié)壓力繼電器，實(shí)現(xiàn)在某一設(shè)定的壓力時(shí)，輸出一個(gè)電信號(hào)的功能。

工作原理

壓力繼電器是利用液體的壓力來(lái)啟閉電氣觸點(diǎn)的液壓電氣轉(zhuǎn)換元件。當(dāng)系統(tǒng)壓力達(dá)到壓力繼電器的調(diào)定值時(shí)，發(fā)出電信號(hào)，使電氣元件（如電磁鐵、電機(jī)、時(shí)間繼電器、電磁離合器等）動(dòng)作，使油路卸壓、換向，執(zhí)行元件實(shí)現(xiàn)順序動(dòng)作，或關(guān)閉電動(dòng)機(jī)使系統(tǒng)停止工作，起安全保護(hù)作用等。

壓力繼電器有柱塞式、膜片式、彈簧管式和波紋管式四種結(jié)構(gòu)形式。下面對(duì)柱塞式壓力繼電器（見(jiàn)圖）的工作原理作一介紹：

當(dāng)從繼電器下端進(jìn)油口3進(jìn)入的液體壓力達(dá)到調(diào)定壓力值時(shí)，推動(dòng)柱塞2上移，此位移通過(guò)杠桿放大后推動(dòng)微動(dòng)開(kāi)關(guān)4動(dòng)作。改變彈簧1的壓縮量，可以調(diào)節(jié)繼電器的動(dòng)作壓力。

應(yīng)用場(chǎng)合：用于安全保護(hù)、控制執(zhí)行元件的順序動(dòng)作、用于泵的啟閉、用于泵的卸荷。

注意： 壓力繼電器必須放在壓力有明顯變化的地方才能輸出電信號(hào)。若將壓力繼電器放在回油路上，由于回油路直接接回油箱，壓力也沒(méi)有變化，所以壓力繼電器也不會(huì)工作。

R901111201 HED8OA-2X/100K14S/12

R901111200 HED8OA-2X/100K14SV

R901107367 HED8OA-2X/100K14V

R901126668 HED8OA-2X/100K14V/12

R901395456 HED8OA-2X/100K3高等

R901126696 HED8OA-2X/100K35KS

R901127461 HED8OA-2X/100K35S

R901238187 HED8OA-2X/100P030K14AS

R901123283 HED8OA-2X/100P040K14S

R901135061 HED8OA-2X/100P070K14S

R901437873 HED8OA-2X/100P070K35S

R901312179 HED8OA-2X/100P100K14AS

R901102708 HED8OA-2X/200K14

R901106512 HED8OA-2X/200K14/12

R901107094 HED8OA-2X/200K14A

R901111198 HED8OA-2X/200K14A/12

R901106452 HED8OA-2X/200K14AS

R901108523 HED8OA-2X/200K14AS/12

R901108522 HED8OA-2X/200K14ASV

R901141051 HED8OA-2X/200K14AV

R901107126 HED8OA-2X/200K14KS

R901111197 HED8OA-2X/200K14KSV

R901106448 HED8OA-2X/200K14KW

R901150699 HED8OA-2X/200K14KW/12

R901108245 HED8OA-2X/200K14KWV

R901102727 HED8OA-2X/200K14S

R976717118 HED8OA-2X/200K14SSPEZ.MEYCO180BAR

R901202306 HED8OA-2X/200K14S/12

R901107805 HED8OA-2X/200K14SV

R901110456 HED8OA-2X/200K14V

R901211753 HED8OA-2X/200K3高等

R901293054 HED8OA-2X/200K35KS

R901171100 HED8OA-2X/200K35S

R901232897 HED8OA-2X/200P120K14AS

R901213491 HED8OA-2X/200P130K14S

R901338304 HED8OA-2X/200P180K14AS

R901214160 HED8OA-2X/200P180K14S

R901306495 HED8OA-2X/200U100K14S

R901107923 HED8OA-2X/200U120K14S

R901107393 HED8OA-2X/200U165K14S

R901108521 HED8OA-2X/200U170K14S

R901107318 HED8OA-2X/200U180K14S

R901171875 HED8OA-2X/350F080K14S

R901131246 HED8OA-2X/350F105K14S

R901102710 HED8OA-2X/350K14

R901107091 HED8OA-2X/350K14/12

R901106455 HED8OA-2X/350K14A

R901108518 HED8OA-2X/350K14A/12

R901102722 HED8OA-2X/350K14AS

R901111192 HED8OA-2X/350K14AS/12

R901108517 HED8OA-2X/350K14ASV

R901110453 HED8OA-2X/350K14ASV/12

R901110452 HED8OA-2X/350K14AV

R901107087 HED8OA-2X/350K14KS

R901134010 HED8OA-2X/350K14KSV

R901102716 HED8OA-2X/350K14KW

R901107332 HED8OA-2X/350K14KW/12

R901110450 HED8OA-2X/350K14KWV

R901102778 HED8OA-2X/350K14S

R901108009 HED8OA-2X/350K14S/12

R901107922 HED8OA-2X/350K14SV

R901186318 HED8OA-2X/350K14SV/12

R901107796 HED8OA-2X/350K14V

R901110447 HED8OA-2X/350K14V/12

R901125561 HED8OA-2X/350K35

R987199324 HED8OA-2X/350K35

R901127471 HED8OA-2X/350K3高等

R901127477 HED8OA-2X/350K3高等S

R901272251 HED8OA-2X/350K35KS

R901127474 HED8OA-2X/350K35S

R901181469 HED8OA-2X/350P160K14S

R901371576 HED8OA-2X/350P170K14S

R901371577 HED8OA-2X/350P200K14S

R901245027 HED8OA-2X/350P250K14S

R901217016 HED8OA-2X/350P270K14S

R901376877 HED8OA-2X/350P300K14

R901171883 HED8OA-2X/350U110K14S

R901168129 HED8OA-2X/350U210K14S

R901101698 HED8OA-2X/50K14

R901107793 HED8OA-2X/50K14/12

R901106507 HED8OA-2X/50K14A

R901110444 HED8OA-2X/50K14A/12

R901106499 HED8OA-2X/50K14AS

R901110443 HED8OA-2X/50K14AS/12

R901110166 HED8OA-2X/50K14ASV

R901110164 HED8OA-2X/50K14AV

R901110163 HED8OA-2X/50K14AV/12

R901102702 HED8OA-2X/50K14KS

R901110160 HED8OA-2X/50K14KSV

R901102754 HED8OA-2X/50K14KW

R976722498 HED8OA-2X/50K14KW-10BARSTEIGEND

R901108514 HED8OA-2X/50K14KW/12

R901110155 HED8OA-2X/50K14KWV

R901102704 HED8OA-2X/50K14S

R987255554 HED8OA-2X/50K14S

R901155751 HED8OA-2X/50K14S/12

R901110149 HED8OA-2X/50K14SV

R901110147 HED8OA-2X/50K14SV/12

R901117070 HED8OA-2X/50K14V

R901109543 HED8OA-2X/50K14V/12

R901173249 HED8OA-2X/50K35

R901349292 HED8OA-2X/50K3高等S

R901336212 HED8OA-2X/50K35KS

R901155571 HED8OA-2X/50K35S

R901312177 HED8OA-2X/50P010K14AS

R901213487 HED8OA-2X/50P015K14S

R901244472 HED8OA-2X/50R020K14S

R901355720 HED8OA-2X/50U020K14S

R901107127 HED8OA-2X/630K14

R901134765 HED8OA-2X/630K14/12

R901275335 HED8OA-2X/630K14A

R901108512 HED8OA-2X/630K14AS

R901199523 HED8OA-2X/630K14ASV

R901109541 HED8OA-2X/630K14KS

R901109538 HED8OA-2X/630K14KW

R901119175 HED8OA-2X/630K14KW/12

R901107915 HED8OA-2X/630K14S

R901130967 HED8OA-2X/630K14SV

R901118228 HED8OA-2X/630K14V

R901188553 HED8OA-2X/630K3高等

R901426835 HED8OA-2X/630K35S

R901364935 HED8OA-2X=100K14S