上海韋米機(jī)電設(shè)備有限公司

HED8OH-2X/350K14KW柱塞式壓力開(kāi)關(guān)

主要特點(diǎn)

1、采用英制管螺紋快速接頭或銅管焊接式安裝結(jié)構(gòu)，安裝靈活，使用方便，無(wú)需特殊的安裝固定。

2、插片式導(dǎo)線式連接方可供用戶任意選定。

3、密封式不銹鋼感應(yīng)器安全可靠。

4、壓力范圍內(nèi)可根據(jù)用戶任意選定的壓力值進(jìn)行制造。

壓力開(kāi)關(guān)是與電器開(kāi)關(guān)相結(jié)合的裝置，當(dāng)?shù)竭_(dá)預(yù)先設(shè)定的流體壓力時(shí)，開(kāi)關(guān)接點(diǎn)動(dòng)作。主要應(yīng)用于電廠、石化、冶金行業(yè)等工業(yè)設(shè)備上輸出啟動(dòng)緊急信號(hào)或控制信號(hào)，在工業(yè)領(lǐng)域中有著重要的用途，能預(yù)防生產(chǎn)工程中重要裝置的損壞，避免了重大生產(chǎn)事故地發(fā)生。 

2.壓力開(kāi)關(guān)主要敏感元件2.1波紋管 

特點(diǎn):耐久性及耐振性較波登管好，接斷差可調(diào)范圍大，主要材質(zhì)有不銹鋼、磷青銅等，價(jià)格相對(duì)較高，但可測(cè)壓力范圍較小，較大為40MPa(CB33)2.2膜片 

壓力開(kāi)關(guān)用在空壓機(jī)上面主要是來(lái)調(diào)節(jié)空壓機(jī)的起停狀態(tài),通過(guò)調(diào)節(jié)儲(chǔ)氣罐內(nèi)的壓力來(lái)讓空壓機(jī)停機(jī)休息,對(duì)機(jī)器有保養(yǎng)作用.在空壓機(jī)工廠調(diào)試的時(shí)候,根據(jù)客戶需要調(diào)節(jié)到指定壓力,然后設(shè)定一個(gè)壓差.例如,壓縮機(jī)開(kāi)始啟動(dòng),向儲(chǔ)氣罐打氣,到壓力10kg的時(shí)候,空壓機(jī)停機(jī)或者卸載,當(dāng)壓力到7kg的時(shí)候空壓機(jī)又開(kāi)始啟動(dòng),此間有一個(gè)壓力差,這個(gè)過(guò)程就可以讓壓縮機(jī)休息一下,達(dá)到保護(hù)空壓機(jī)的作用.由電動(dòng)機(jī)直接驅(qū)動(dòng)壓縮機(jī)，使曲軸產(chǎn)生旋轉(zhuǎn)運(yùn)動(dòng)，帶動(dòng)連桿使活塞產(chǎn)生往復(fù)運(yùn)動(dòng)，引起氣缸容積變化。由於氣缸內(nèi)壓力的變化，通過(guò)進(jìn)氣閥使空氣經(jīng)過(guò)空氣濾清器（****）進(jìn)入氣缸，在壓縮行程中，由於氣缸容積的縮小，壓縮空氣經(jīng)過(guò)排氣閥的作用，質(zhì)量流量計(jì)經(jīng)排氣管，單向閥（止回閥）進(jìn)入儲(chǔ)氣罐，當(dāng)排氣壓力達(dá)到額定壓力0.7MPa時(shí)由壓力開(kāi)關(guān)控制而自動(dòng)停機(jī)。當(dāng)儲(chǔ)氣罐壓力降至0.5－－0.6MPa時(shí)，壓力開(kāi)關(guān)自動(dòng)聯(lián)接啟動(dòng)。 

HED8OH-2X/350K14KW柱塞式壓力開(kāi)關(guān)

詳情舉例：

HED8OH-2X/350K14KW

1、

HED8  →柱塞式壓力開(kāi)關(guān)

2、

OH    →法蘭連接

OP    →底板安裝

OA    →管道安裝

2、

2X    →組件系列 20 … 29（20 … 29：安裝和連接尺寸不變）

4、

350   →較大壓力等級(jí) 350 bar

50    →較大壓力等級(jí) 50 bar

100   →較大壓力等級(jí) 100 bar

200   →較大壓力等級(jí) 200 bar

630   →較大壓力等級(jí) 630 bar

5、電氣連接，單個(gè)連接

K14   →不帶連接插頭，連接器DIN EN 175301-803

K35   →不帶連接插頭，連接器 IEC 61076-2-101，M12 x 1

6、調(diào)整類型

無(wú)代碼  →內(nèi)六角調(diào)節(jié)桿，不帶刻度，不帶保護(hù)帽

S       →內(nèi)六角調(diào)節(jié)桿，不帶刻度，帶保護(hù)帽，密封

A       →帶刻度調(diào)節(jié)桿，不帶保護(hù)帽

AS      →帶刻度調(diào)節(jié)桿，帶保護(hù)帽

KS      →帶刻度可鎖定旋鈕

KW      →帶刻度旋鈕

7、密封材料

無(wú)代碼  →NBR 密封件

V       →FKM 密封件

MT      →低溫密封件（較大 315 bar） 

請(qǐng)務(wù)必遵守密封件與所用液壓油的兼容性！

1) 閥板用于垂直疊加，單獨(dú)訂購(gòu)，請(qǐng)參閱附件

2) 不允許用于垂直疊加，不帶低溫密封件，未經(jīng)過(guò) UL 認(rèn)證

3) 連接插頭，單獨(dú)訂購(gòu)，

4) H 鑰匙，物料號(hào) R900008158，包括在交付范圍內(nèi)

5) 只能使用壓力計(jì)（刻度用于指示作用）較好設(shè)置切換壓力

HED8類型的液壓-電氣壓力開(kāi)關(guān)是柱塞式壓力開(kāi)關(guān)。它們的基本構(gòu)成是殼體、帶柱塞的安裝套件、壓縮彈簧、調(diào)節(jié)元件和微動(dòng)開(kāi)關(guān)。

如果要監(jiān)測(cè)的壓力低于調(diào)定值，則操作微動(dòng)開(kāi)關(guān)。要監(jiān)測(cè)的壓力通過(guò)節(jié)流孔傳到柱塞。柱塞受彈簧座支持并克服壓縮彈簧不斷變化的作用力。彈簧座將柱塞的運(yùn)動(dòng)傳輸?shù)轿��?dòng)開(kāi)關(guān)，并在達(dá)到調(diào)定壓力時(shí)釋放后者的壓力。這將打開(kāi)或關(guān)閉電路，取決于電路的設(shè)置。彈簧座的機(jī)械前擋塊在壓力突然降低和過(guò)壓的情況下，可保護(hù)微動(dòng)開(kāi)關(guān)免于受到機(jī)械損傷，并防止壓縮彈簧的過(guò)壓。

要延長(zhǎng)使用壽命，安裝壓力開(kāi)關(guān)時(shí)應(yīng)確保振動(dòng)較小，使其免于受到液壓沖擊。

壓力開(kāi)關(guān)供應(yīng)型號(hào)

力士樂(lè)壓力繼電器，rexroth壓力開(kāi)關(guān) 上海韋米優(yōu)質(zhì)供應(yīng)型號(hào)

R901110456 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14V

R901108236 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14AS

R901108003 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/200K14AS

R901107922 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14SV

R901107790 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100K14AS

R901107128 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14A

R901107126 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14KS

R901107093 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/200K14S

R901107087 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14KS

R901107086 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50K14AS

R901106509 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100K14S

R901106505 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14AS

R901106504 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/50K14S

R901106498 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14KS

R901106453 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/350K14

R901106452 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14AS

R901106449 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/630K14S

R901106448 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14KW

R901106259 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14A

R901102754 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14KW

R901102747 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100K14

R901102727 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14S

R901102721 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/200K14

R901102716 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14KW

R901102711 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14S

R901102710 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14

R901102708 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14

R901102706 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14

R901102704 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14S

R901102702 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14KS

R901102362 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14S

R901102360 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14

R901102356 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50K14KS

R901102349 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50K14

R901101698 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14

R901101640 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14

R901099816 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14AV

R901099815 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14V

R901099811 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14KS

R901099809 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14A

R901099808 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14

R901099775 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14V

R901095375 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14S

R901094159 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14KW

R901140517 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/50K14SV

R901137611 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100XNZ14A

R901136396 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100XNZ14S

R901136386 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/630K14KS

R901135255 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14A/12

R901135061 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100P070K14S

R901134765 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/630K14/12

R901134010 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14KSV

R901133293 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200XNZ14

R901131275 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/50K35

R901131246 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350F105K14S

R901130967 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/630K14SV

R901128257 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50F004K14SV

R901126944 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100XNZ14KS

R901126696 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K35KS

R901126235 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50XNZ14

R901126233 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350XNZ14S

R901126082 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/350K14AV

R901125810 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14KWV

R901125561 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K35

R901125068 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K35KS

R901124650 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/630K14KS

R901123283 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100P040K14S

R901122137 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/350XNZ14KS

R901122124 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/350K14KWV

R901119175 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/630K14KW/12

R901117070 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14V

R901111201 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14S/12

R901111200 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/100K14SV

R901111198 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14A/12

R901111197 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14KSV

R901111192 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14AS/12

R901110456 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14V

R901110450 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14KWV

R901110447 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14V/12

R901110443 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14AS/12

R901110166 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14ASV

R901110164 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14AV

R901110160 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14KSV

R901110155 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14KWV

R901110149 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14SV

R901110147 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/50K14SV/12

R901109541 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/630K14KS

R901109538 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/630K14KW

R901109535 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14ASV

R901109532 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/100K14KWV

R901109530 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14ASV

R901109074 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/200K14SV

R901109071 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14ASV

R901109069 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14KWV

R901109065 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/350K14SV

R901109050 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50K14ASV

R901109049 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/50K14KWV

R901109035 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/630K14AS

R901109029 力士樂(lè)壓力開(kāi)關(guān)HED8OH-2X/630K14S

R901109028 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100K14SV

R901109027 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/100P070K14S

R901109004 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/200K14SV

R901108531 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/350K14ASV

R901108529 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/630K14V

R901108522 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200K14ASV

R901108521 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/200U170K14S

R901108518 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14A/12

R901108517 力士樂(lè)壓力開(kāi)關(guān)HED8OA-2X/350K14ASV

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R901107083 力士樂(lè)壓力開(kāi)關(guān)HED8OP-2X/50K14

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壓力繼電器有直動(dòng)型和先導(dǎo)型;也有帶延時(shí)調(diào)節(jié)和不帶延時(shí)調(diào)節(jié)的; 也有彈簧調(diào)節(jié)型和開(kāi)關(guān)位置調(diào)節(jié)型。各種壓力繼電器盡管類型不同,原理只有一個(gè),即靠液體壓力與彈簧力的平衡,使柱塞或杠桿產(chǎn)生一定的位移,將電氣開(kāi)關(guān)接通與斷開(kāi)。壓力繼電器的任務(wù)是把系統(tǒng)某 較穩(wěn)定的壓力信號(hào)反映出去, 以控制其它的順序動(dòng)作,但它由于自身和外界的原因,有可能發(fā)出誤信號(hào),影響液壓系統(tǒng)的工作可靠性和安全性。