DBDS6G1X/200
DBDS6G1X/200
產(chǎn)品價格:¥1000(人民幣)
  • 規(guī)格:DBDS6G1X/200
  • 發(fā)貨地:上海
  • 品牌:
  • 最小起訂量:1件
  • 免費會員
    會員級別:試用會員
    認證類型:企業(yè)認證
    企業(yè)證件:通過認證

    商鋪名稱:上海韋米機電設(shè)備有限公司

    聯(lián)系人:雷青(先生)

    聯(lián)系手機:

    固定電話:

    企業(yè)郵箱:shanghaiweimi.lei@foxmail.com

    聯(lián)系地址:上海市浦東新區(qū)金豫路100號禹洲金橋國際2期2號樓1118室

    郵編:201206

    聯(lián)系我時,請說是在線纜網(wǎng)上看到的,謝謝!

    商品詳情

      DBDS6G1X/200力士樂安全閥,德國力士樂REXROTH全新原裝進口品牌備件,質(zhì)量保證,現(xiàn)貨特價優(yōu)勢供應(yīng);

      安全閥在系統(tǒng)中起安全保護作用。當(dāng)系統(tǒng)壓力超過規(guī)定值時,安全閥打開,將系統(tǒng)中的一部分氣體/流體排入大氣/管道外,使系統(tǒng)壓力不超過允許值,從而保證系統(tǒng)不因壓力過高而發(fā)生事故。


      安全閥結(jié)構(gòu)主要有兩大類:彈簧式和杠桿式。彈簧式是指閥瓣與閥座的密封靠彈簧的作用力。杠桿式是靠杠桿和重錘的作用力。隨著大容量的需要,又有一種脈沖式安全閥,也稱為先導(dǎo)式安全閥,由主安全閥和輔助閥組成。當(dāng)管道內(nèi)介質(zhì)壓力超過規(guī)定壓力值時,輔助閥先開啟,介質(zhì)沿著導(dǎo)管進入主安全閥,并將主安全閥打開,使增高的介質(zhì)壓力降低。

      按結(jié)構(gòu)分
      按其整體結(jié)構(gòu)及加載機構(gòu)的不同可以分為重錘杠桿式、彈簧式和脈沖式三種。
      1.重錘杠桿式安全閥
      重錘杠桿式安全閥是利用重錘和杠桿來平衡作用在閥瓣上的力。根據(jù)杠桿原理,它可以使用質(zhì)量較小的重錘通過杠桿的增大作用獲得較大的作用力,并通過移動重錘的位置(或變換重錘的質(zhì)量)來調(diào)整安全閥的開啟壓力。
      重錘杠桿式安全閥結(jié)構(gòu)簡單,調(diào)整容易而又比較準(zhǔn)確,所加的載荷不會因閥瓣的升高而有較大的增加,適用于溫度較高的場合,過去用得比較普遍,特別是用在鍋爐和溫度較高的壓力容器上。但重錘杠桿式安全閥結(jié)構(gòu)比較笨重,加載機構(gòu)容易振動,并常因振動而產(chǎn)生泄漏;其回座壓力較低,開啟后不易關(guān)閉及保持嚴(yán)密。
      2.彈簧微啟式安全閥
      彈簧微啟式安全閥是利用壓縮彈簧的力來平衡作用在閥瓣上的力。螺旋圈形彈簧的壓縮量可以通過轉(zhuǎn)動它上面的調(diào)整螺母來調(diào)節(jié),利用這種結(jié)構(gòu)就可以根據(jù)需要校正安全閥的開啟(整定)壓力。彈簧微啟式安全閥結(jié)構(gòu)輕便緊湊,靈敏度也比較高,安裝位置不受限制,而且因為對振動的敏感性小,所以可用于移動式的壓力容器上。這種安全閥的缺點是所加的載荷會隨著閥的開啟而發(fā)生變化,即隨著閥瓣的升高,彈簧的壓縮量增大,作用在閥瓣上的力也跟著增加。這對安全閥的迅速開啟是不利的。另外,閥上的彈簧會由于長期受高溫的影響而使彈力減小。用于溫度較高的容器上時,常常要考慮彈簧的隔熱或散熱問題,從而使結(jié)構(gòu)變得復(fù)雜起來。
      3.脈沖式安全閥
      脈沖式安全閥由主閥和輔閥構(gòu)成,通過輔閥的脈沖作用帶動主閥動作、其結(jié)構(gòu)復(fù)雜,通常只適用于安全泄放量很大的鍋爐和壓力容器。

      上海韋米機電設(shè)備有限公司
      雷 青(Mr)     手機Cel:13524123009(微信號)
      電話Tel:021-61116913  傳真Fax:021-51334670
      微信QQ:2896079243 
      網(wǎng)址Web:http://www.wei-mi.com
      電郵E-mail:leiqing@wei-mi.com
      地址Add:上海市浦東新區(qū)金豫路100號禹洲金橋國際2期2號樓907室



      按作用原理分
      按作用原理分類,可以分為直接作用式安全閥和非直接作用式安全閥。
      1.直接作用式安全閥
      直接作用式安全閥是在工作介質(zhì)的直接作用下開啟的,即依靠工作介質(zhì)壓力的作用克服加載機構(gòu)加于閥瓣的機械載荷,使閥門開啟。這種安全閥具有結(jié)構(gòu)簡單,動作迅速,可靠性好等優(yōu)點。但因為依靠結(jié)構(gòu)加載,其載荷大小受到限制,不能用于高壓、大口徑的場合。
      2.非直接作用式安全閥
      這類安全閥可以分為先導(dǎo)式安全閥、帶動力輔助裝置的安全閥。
      先導(dǎo)式安全閥是依靠從導(dǎo)閥排出的介質(zhì)來驅(qū)動或控制的。而導(dǎo)閥本身是一個直接作用式安全閥,有時也采用其他形式的閥門。先導(dǎo)式安全閥適用于高壓、大口徑的場合。先導(dǎo)式安全閥的主閥還可以設(shè)計成依靠工作介質(zhì)來密封的形式,或者可以對閥瓣施加比直接作用式安全閥大得多的機械載荷,因而具有良好的密封性能。同時,它的動作很少受背壓的影響。這種安全閥的缺點在于它的可靠性同主閥和導(dǎo)閥有關(guān),動作不如直接作用式安全閥那樣迅速、可靠,而且結(jié)構(gòu)較復(fù)雜。
      帶動力輔助裝置的安全閥是借助于一個動力輔助裝置,在低于正常開啟壓力的情況下強制安全閥開啟。這種安全閥適用于開啟壓力很接近于工作壓力的場合,或需定期開啟安全閥以進行檢查或吹除粘著、凍結(jié)的介質(zhì)的場合。同時,也提供了一種在緊急情況下強制開啟安全閥的手段。

      DBDS6G1X/200力士樂安全閥

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      DBDS6G1X/200力士樂安全閥



      溢流閥一般有兩種結(jié)構(gòu):1、直動型溢流閥 。2、先導(dǎo)式溢流閥。
      對溢流閥的主要要求:調(diào)壓范圍大,調(diào)壓偏差小,壓力振擺小,動作靈敏,過載能力大,噪聲小。
      先導(dǎo)型溢流閥的導(dǎo)閥部分結(jié)構(gòu)尺寸較小,調(diào)壓彈簧不必很強,因此壓力調(diào)整比較輕便。但因先導(dǎo)型溢流閥要在先導(dǎo)閥和主閥都動作后才能起控制作用,因此反應(yīng)不如直動型溢流閥靈敏。
      與三節(jié)同心結(jié)構(gòu)相比,二節(jié)同心結(jié)構(gòu)的特點是:①主閥芯僅與閥套和主閥座有同心度要求,免去了與閥蓋的配合,故結(jié)構(gòu)簡單,加工和裝配方便。②過流面積大,在相同流量的情況下,主閥開啟高度小;或者在相同開啟高度的情況下,其通流能力大,因此,可做得體積小、重量輕。③主閥芯與閥套可以通用化,便于組織批量生產(chǎn)。

      DBDS6G1X/200力士樂安全閥

      R901132420 DBDS6K1X/400-250
      R900725185 DBDS6K1X/400-280
      R901069350 DBDS6K1X/400-285
      R901249197 DBDS6K1X/400-300J
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      R983038030 DBDS20P1X/025IN010
      R983038031 DBDS20P1X/050IN010
      R983038032 DBDS20P1X/100IN010
      R983038033 DBDS20P1X/200IN010
      R983038019 DBDS20P1X/315IN010
      R983038034 DBDS20P1X/400IN010
      R978851250 DBDS20G1X/315V/12
      R987377508 DBDS20K1X/200PRESETTO200BAR
      R987377509 DBDS20K1X/25P8.5V
      R978858863 DBDS30G1X/200V/12
      R978855046 DBDS30G1X/50V/12
      R987109208 DBDS30K1X/225ER=R901029466
      R987384228 DBDS30K1X/400PRESETTO350BAR
      R987377510 DBDS30K1X/400-SO47-163
      R987377511 DBDS30K1X/400-SO47-163/350
      R983037928 DBDS6G1X/025IN010
      R983037929 DBDS6G1X/050IN010
      R983037930 DBDS6G1X/100IN010
      R983037930 DBDS6G1X/100IN010
      R983037931 DBDS6G1X/200IN010
      R983037921 DBDS6G1X/315IN010
      R983037957 DBDS6G1X/315VIN010
      R983037932 DBDS6G1X/400IN010
      R983042842 DBDS6G1X/400VIN010
      R983055619 DBDS6G1X/25VIN010
      R983037924 DBDS6K1X/025IN010
      R983037958 DBDS6K1X/025VIN010
      R983037925 DBDS6K1X/050IN010
      R983040130 DBDS6K1X/050VIN010
      R983037920 DBDS6K1X/100IN010
      R983037965 DBDS6K1X/100VIN010
      R983037926 DBDS6K1X/200IN010
      R983037960 DBDS6K1X/200VIN010
      R983037922 DBDS6K1X/315IN010
      R983037956 DBDS6K1X/315VIN010
      R983037927 DBDS6K1X/400IN010
      R983037959 DBDS6K1X/400VIN010
      R983037933 DBDS6P1X/025IN010
      R983055620 DBDS6P1X/025VIN010
      R983037934 DBDS6P1X/050IN010
      R983037935 DBDS6P1X/100IN010
      R983037936 DBDS6P1X/200IN010
      R983037923 DBDS6P1X/315IN010
      R983037937 DBDS6P1X/400IN010
      R978895506 DBDS6G1X/25/12SO43A-883
      R978857416 DBDS6G1X/400MK/12
      R987384230 DBDS6K1X/200PRESETTO169BAR
      R987121749 DBDS6K1X/200-135SO60
      R987377512 DBDS6K1X/50PRESETTO30BAR
      力士樂REXROTH安全閥,直動式DBDH…XC…E
      R901417372 DBDH10G1X/135XCE
      R901264834 DBDH10G1X/170XCE
      R901243372 DBDH10G1X/200XCE
      R901387862 DBDH10G1X/250XCE
      R901069675 DBDH10G1X/315XCVE
      R901143480 DBDH10G1X/330XCVE
      R901243373 DBDH10G1X/50XCE
      R901264353 DBDH10G1X/520XCVE
      R901202497 DBDH10G1X/630XCVE
      R901384808 DBDH10G1X/85XCE
      R901123289 DBDH10K1X/100XCVD
      R901047224 DBDH10K1X/100XCVE
      R901410831 DBDH10K1X/110XCD
      R901410834 DBDH10K1X/110XCVD
      R901282957 DBDH10K1X/130XCVD
      R901282957 DBDH10K1X/130XCVD
      R901282698 DBDH10K1X/130XCVE
      R901417445 DBDH10K1X/135XCE
      R901146162 DBDH10K1X/140XCVD
      R901047228 DBDH10K1X/140XCVE
      R901213352 DBDH10K1X/160XCVD
      R901213308 DBDH10K1X/160XCVE
      R901265226 DBDH10K1X/170XCD
      R901265012 DBDH10K1X/170XCE
      R901410837 DBDH10K1X/170XCVD
      R901316404 DBDH10K1X/180XCD
      R901316401 DBDH10K1X/180XCE
      R901201466 DBDH10K1X/180XCVD
      R901201455 DBDH10K1X/180XCVE
      R901243898 DBDH10K1X/200XCD
      R901243901 DBDH10K1X/200XCE
      R901115296 DBDH10K1X/200XCV
      R901410839 DBDH10K1X/210XCD
      R901254704 DBDH10K1X/210XCVD
      R901047229 DBDH10K1X/210XCVE
      R901262078 DBDH10K1X/230XCVD
      R901261975 DBDH10K1X/230XCVE
      R901387883 DBDH10K1X/250XCD
      R901387880 DBDH10K1X/250XCE
      R901048380 DBDH10K1X/25XCV

      DBDS6G1X/200力士樂安全閥

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