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力士樂安全閥DBDS6K1X/400
力士樂安全閥DBDS6K1X/400
產(chǎn)品價(jià)格:¥電議
上架日期:2017-10-26 09:16:51
產(chǎn)地:德國
發(fā)貨地:上海
供應(yīng)數(shù)量:不限
最少起訂:1件
瀏覽量:305
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詳細(xì)說明

    力士樂安全閥DBDS6K1X/400;安全閥在系統(tǒng)中起安全保護(hù)作用。當(dāng)系統(tǒng)壓力超過規(guī)定值時(shí),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(shí),輔助閥先開啟,介質(zhì)沿著導(dǎo)管進(jìn)入主安全閥,并將主安全閥打開,使增高的介質(zhì)壓力降低。

    上海韋米機(jī)電設(shè)備有限公司
    雷 青(Mr)     手機(jī)Cel:13524123009(微信號)
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    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


    淺析先導(dǎo)式溢流閥與直動型溢流閥的區(qū)別
    溢流閥可分為直動型和先導(dǎo)式兩類。直動型溢流閥是作用在閥芯上的主油路液壓力與調(diào)壓彈簧力直接相平衡的溢流閥。根據(jù)閥口和測壓面結(jié)構(gòu)形式不同,形成三種基本結(jié)構(gòu)。
    先導(dǎo)式溢流閥:主閥彈簧主要用于克服閥芯的摩擦力,彈簧剛度小。當(dāng)溢流量變化引起主閥彈簧壓縮量變化時(shí),彈簧力變化較小,因此閥進(jìn)口壓力變化也較小。調(diào)壓精度高,廣泛應(yīng)用于高壓、大流量系統(tǒng)。
    溢流閥的閥芯在移動過程中要受到摩擦力的作用,閥口開大和關(guān)小時(shí)的摩擦力方向剛好相反,使溢流閥開啟時(shí)的特性與關(guān)閉時(shí)的特性產(chǎn)生差異。

    力士樂安全閥DBDS6K1X/400

    R900423711 DBDS 30 K1X/50V
    R900423712 DBDS 30 P1X/100
    R900423713 DBDS 30 P1X/100V
    R900423714 DBDS 30 P1X/200
    R900423715 DBDS 30 P1X/315
    R900423716 DBDS 30 P1X/50
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    R900423718 DBDS 6 G1X/25
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    R900423720 DBDS 6 G1X/315
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    R900423722 DBDS 6 G1X/50
    R900423723 DBDS 6 K1X/100
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    R900423725 DBDS 6 K1X/315
    R900423726 DBDS 6 K1X/400
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    R900423736 DBDS 8 G1X/50
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    R900423748 DBD. 20 P1X/ ...
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    R900424034 2FRM 16-3X/160LBV
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    R900424152 DBDS 10 K1X/400
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    R900424184 DBDH 10 K1X/400
    R900424185 DBDH 10 K1X/50
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    R900424190 DBDH 10 K1X/200
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    R900424193 DBDH 30 K1X/50
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    R900424202 DBDH 6 K1X/400
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    R900424204 DBDS 20 K1X/400V
    R900424205 DBDS 20 K1X/50
    R900424227 G 158/10
    R900424237 DBDH 30 G1X/100
    R900424241 DBDH 30 K1X/100
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    R900424261 DBDS 30 G1X/315
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    R900424284 DBDS 30 K1X/100
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    R900424293 DR 6 DP2-5X/25Y/12
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    R900424737 Z4S 5-1X/
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    R900426897 DBDH 6 G1X/25
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    R900426901 DBDH 10 P1X/100
    R900426905 DBDS 10 P1X/25
    R900426988 DBDH 6 K1X/25V

    力士樂安全閥DBDS6K1X/400




    溢流閥是一種液壓壓力控制閥,在液壓設(shè)備中主要起定壓溢流作用,穩(wěn)壓,系統(tǒng)卸荷和安全保護(hù)作用。
    定壓溢流作用:在定量泵節(jié)流調(diào)節(jié)系統(tǒng)中,定量泵提供的是恒定流量。當(dāng)系統(tǒng)壓力增大時(shí),會使流量需求減小。此時(shí)溢流閥開啟,使多余流量溢回油箱,保證溢流閥進(jìn)口壓力,即泵出口壓力恒定(閥口常隨壓力波動開啟)。
    穩(wěn)壓作用:溢流閥串聯(lián)在回油路上,溢流閥產(chǎn)生背壓,運(yùn)動部件平穩(wěn)性增加。
    系統(tǒng)卸荷作用:在溢流閥的遙控口串接溢小流量的電磁閥,當(dāng)電磁鐵通電時(shí),溢流閥的遙控口通油箱,此時(shí)液壓泵卸荷。溢流閥此時(shí)作為卸荷閥使用。
    安全保護(hù)作用:系統(tǒng)正常工作時(shí),閥門關(guān)閉。只有負(fù)載超過規(guī)定的極限(系統(tǒng)壓力超過調(diào)定壓力)時(shí)開啟溢流,進(jìn)行過載保護(hù),使系統(tǒng)壓力不再增加(通常使溢流閥的調(diào)定壓力比系統(tǒng)最高工作壓力高10%~20%)。
    實(shí)際應(yīng)用中一般有:作卸荷閥用,作遠(yuǎn)程調(diào)壓閥,作高低壓多級控制閥,作順序閥,用于產(chǎn)生背壓(串在回油路上)。

    力士樂安全閥DBDS6K1X/400

    R900427242 DBDH 6 P1X/200
    R900427243 DBDS 30 G1X/25
    R900427244 DBDS 10 P1X/50V
    R900427246 DBDA 8 G1X/200
    R900427254 Z2FS 6 A2-4X/2Q
    R900427258 DZ 6 DP1-5X/25Y
    R900427329 Z2S 16A2-5X/V
    R900427362 Z4S 16-2X/V
    R900427370 FMR 20 P23-1X/O
    R900427371 FMR 20 P13-1X/O
    R900427391 SF 50 A1-1-1X/
    R900427393 SF 150 A1-1-2X/
    R900427419 H-4WH 32 D6X/
    R900427431 DR 5 DP2-1X/25XYM
    R900427434 ZDB 10 VA2-4X/100
    R900427465 HED 1 OA4X/100V
    R900427468 HED 1 OA4X/350L24
    R900427469 HED 1 KA4X/100L24
    R900427479 DU 16 DG1-1X/630-100
    R900427522 2FRM 10-3X/25LBV
    R900427523 2FRM 10-3X/25LV
    R900427524 3FRM 16-2X/100L
    R900427547 4WMM 6 D5X//B12
    R900427584 DB 10 G2-4X/315XY W65
    R900427588 LT 06-A06-3X/100B40/02M
    R900427589 LT 06-A06-3X/100B40/19M
    R900427591 LT 06-A06-3X/150B40/02M
    R900427593 LT 06-A06-3X/150B40/19M
    R900427594 LT 06-A06-3X/150B40/19M SO1
    R900427595 LT 06-A06-3X/200B40/02M
    R900427600 DBDH 6 K1X/25
    R900427601 DBDS 10 K1X/630
    R900427603 DBDS 8 G1X/400
    R900427604 DBDS 20 G1X/50V
    R900427605 DBDH 6 G1X/315V
    R900427608 DBDH 8 G1X/200V
    R900427644 DZ 6 DP3-5X/210Y
    R900427679 DB 6 K3-4X/100YV
    R900427717 4WH 6 GA5X/
    R900427723 ZDR 6 DA2-4X/150Y/12
    R900427771 3FRM 10-2X/10L
    R900427773 3FRM 10-2X/50L
    R900427774 2FRM 10-3X/10LV
    R900427776 2FRM 10-3X/50LV
    R900427777 2FRM 16-3X/160LV
    R900427826 FMR 20 G14-1X/O
    R900427851 4WH 10 D4X//V
    R900427885 DBDS 8 G1X/25
    R900427940 DBDS 10 K1X/200V
    R900428004 4WH 10 J4X/
    R900428006 W-DBDS 20 K1X/200
    R900428043 2FRH 16-3X/160L
    R900428162 4WH 6 D5X/OF/V/5
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    力士樂安全閥DBDS6K1X/400

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