r DBDS20K1X/315力士乐溢流阀由上海韦米机电设备有限公司专业提供,联系电话:021-61116812 传真:021-51334670 联系人:何洋,联系手机13524125780(微信),在线QQ报价:1875691081 我公司主营进口液压泵阀、工控备件,上海优势供应商,具有上海一般纳税人资质,所有商品开具17%增值税发票,原装正 品,品质保证,报价迅速,特价销售,货期短(现货部分可当天发货),热诚欢迎新老客户来电咨询选购 r
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r DBDS20K1X/315力士乐溢流阀r
rr 溢流作用:在定量泵节流调节系统中,定量泵提供的是恒定流量。当系统压力增大时,会使流量需求减小。此时溢流阀开启,使多余流量溢回油箱,保证溢流阀进口压力,即泵出口压力恒定(阀口常随压力波动开启)。r
rr rr r R900424203 力士乐溢流阀DBDS20K1X/400r r r R900424205 力士乐溢流阀DBDS20K1X/50r r r R900424260 力士乐溢流阀DBDS30G1X/200Vr r r R900424261 力士乐溢流阀DBDS30G1X/315r r r R900424262 力士乐溢流阀DBDS30G1X/50r r r R900424264 力士乐溢流阀DBDS25G1X/200r r r R900424266 力士乐溢流阀DBDH6P1X/315r r r R900424267 力士乐溢流阀DBDS20K1X/100r r r R900424269 力士乐溢流阀DBDS20K1X/200r r r R900424270 力士乐溢流阀DBDS20K1X/200Vr r r R900424271 力士乐溢流阀DBDS20K1X/315r r r R900424272 力士乐溢流阀DBDS20P1X/50r r r R900424274 力士乐溢流阀DBDS20P1X/100r r r R900424277 力士乐溢流阀DBDS20P1X/200r r r R900424278 力士乐溢流阀DBDS20P1X/315r r r R900424279 力士乐溢流阀DBDS20P1X/400r r r R900424281 力士乐溢流阀DBDS30G1X/200r r r R900424282 力士乐溢流阀DBDS30K1X/50r r r R900424283 力士乐溢流阀DBDS30K1X/315Vr r r R900424284 力士乐溢流阀DBDS30K1X/100r r r R900424286 力士乐溢流阀DBDS30K1X/200r r r R900424288 力士乐溢流阀DBDS30K1X/315r r r R900424321 力士乐溢流阀DBDS6K1X/200Vr r r R900424348 力士乐溢流阀DBDH6G1X/400r r r R900424734 力士乐溢流阀DBDH6K1X/50r r r R900424738 力士乐溢流阀DBDS10G1X/100r r r R900424742 力士乐溢流阀DBDS10G1X/315r r r R900424744 力士乐溢流阀DBDS10G1X/400r r r R900424745 力士乐溢流阀DBDS10G1X/50r r r R900425084 力士乐溢流阀DBDA6P1X/100r r r R900425646 力士乐溢流阀DB20K1-1X/50XYUr r r R900425660 力士乐溢流阀DBDS10P1X/400r r r R900425661 力士乐溢流阀DBDS10P1X/50r r r R900426477 力士乐溢流阀DBDA6G1X/200r r r R900426901 力士乐溢流阀DBDH10P1X/100r r r R900426905 力士乐溢流阀DBDS10P1X/25r r r R900427242 力士乐溢流阀DBDH6P1X/200r r r R900427243 力士乐溢流阀DBDS30G1X/25r r r R900427600 力士乐溢流阀DBDH6K1X/25r r r R900427940 力士乐溢流阀DBDS10K1X/200Vr r r R900428385 力士乐溢流阀DBDH6P1X/50r r r R900428388 力士乐溢流阀DBDS6K1X/315Vr r r R900429168 力士乐溢流阀DBDS30P1X/315Vr r r R900429414 力士乐溢流阀DBDS6P1X/25r r r R900429711 力士乐溢流阀DBDS30P1X/25r r r R900430311 力士乐溢流阀DBDS20P1X/25r r r R900430459 力士乐溢流阀DBDA6P1X/200r r r R900434128 力士乐溢流阀DBDH6P1X/400r r r R900435108 力士乐溢流阀DBD.30P1X/...r r r R900435222 力士乐溢流阀DBDH10K1X/25r r r R900435450 力士乐溢流阀DBDS6P1X/315Vr r r R900437810 力士乐溢流阀DBDS20P1X/315Vr r r R900438025 力士乐溢流阀DB6K1-4X/50YVr r r R900438122 力士乐溢流阀DB10K1-4X/315YVr r r R900438123 力士乐溢流阀DB10K2-4X/200YVr r r R900438939 力士乐溢流阀DBDS6K1X/400Vr r r R900439247 力士乐溢流阀DBDH25G1X/50r r r R900443139 力士乐溢流阀DB20-1-4X/100W65r r r R900452120 力士乐溢流阀DB10-1-4X/50XUW65r r r R900458607 力士乐溢流阀DB10-1-4X/315W65r r r R900462393 力士乐溢流阀DBDS10K1X/25Vr r r R900469425 力士乐溢流阀DB10-1-4X/200XUW65r r r R900469426 力士乐溢流阀DB20-1-4X/200XUW65r rrr 电磁阀通常与单作用气动执行机构配套使用,两位是两个位置可控:开-关,三通是有三个通道通气,一般情况下1个通道与气源连接,另外两个通道1个与执行机构的进气口连接,1个与执行机构排气口连接,具体的工作原理可以参照单作用气动执行机构的工作原理图。r rr r R901092803 DBDS20K1X/315-230r r r R900702785 DBDS20K1X/315P230r r r R900702542 W-DBDS10K1X=50P35Vr r r R900701673 DBDS15G1X/25P10r r r R900680727 RING47,8/54,6X2,9E-DBD.30K12/r r r R900680332 RING33,3/39,6X2,1E-DBD.20K12/r r r R900633352 KEGEL5,0-5,0x30,5KUGEL6,5DBD6r r r R900627930 VENTILSITZDBD.10K15/r r r R900617792 DBDS6K1X/200-110r r r R900617276 DBDS20K1X/315-315r r r R900599927 MHDBD10K1-1X/200M-030r r r R900597412 DBD.10P1X/...V/12r r r R900596810 DBDS10P1X/315/12r r r R900595920 DBDA6K1X/25SO49r r r R900590350 DBDS15G1X/315SO60r r r R900588364 DBDS6K1X/25SO124r r r R900588153 DBDS20K1X/25VSO60r r r R900587084 DBDH25G1X/100Vr r r R900586190 W-DBDS6K1X/315Vr r r R900584384 E-DBDS10P1X/400Vr r r R900582646 MHDBD10K2-1X/250M-017r r r R900582065 MHDBD10K1-1X/100M-030r r r R900579992 MHDBDT06G0-2X/280T060M19r r r R900577005 MHDBD10K2-1X/200-...MFBr r r R900577004 MHDBDT06G0-2X/210T060M06r r r R900576760 DBDH6P1X/400Vr r r R900576420 W-DBDS10K1X=315-210Vr r r R900576208 MHDBDT06G0-2X/210T082M19r r r R900576207 MHDBDT06G0-2X/210T060M19r r r R900575360 MHDBDT06G0-2X/280T087M06r r r R900574514 MHDBD22P2-1X/420-350Mr r r R900574510 MHDBD22P2-1X/420-400Mr r r R900574504 MHDBD22K2-1X/315-230MFGr r r R900568575 DBDS4K1X/420r r r R900564044 MHDBD16P2-1X/315-220Mr r r R900561430 DBDS20K1X/315JVr r r R900560474 DBDS8G1X/50Vr r r R900558236 MHDBDT06G0-2X/280T075M06r r r R900556737 MHDBDT06G0-2X/280T050M06r r r R900556575 MHDBDT06G0-2X/280T100M06r r r R900556574 MHDBDT06G0-2X/280T060M06r r r R900556573 MHDBDT06G0-2X/280T082M06r r r R900545492 VENTILMHDBD02C10/350VM12X1,0Z13SW6r r r R900542687 VERSCHLUSSSCHRAUBEDBD.4K10/FKM*BGr r r R900540558 VENTILSITZDBD.30K15/SO74r r r R900539105 DBDS20P1X/200/12r r r R900539104 DBDS6P1X/100/12r r r R900538976 DBDS20K1X/200SO140r r r R900536979 DBDS20G1X/100SO74r r r R900536728 DBDS10G1X/25VSO102r r r R900535885 DBDS30P1X/315Jr r r R900534613 DBDS15G1X/50/12r r r R900534133 DBDS10K1X/315SO138r r r R900533255 DBDS20K1X/100JVr r r R900532233 W-DBDS30K1X/25Vr r r R900529359 DBDS4K1X/100Vr r r R900528882 DBDS4K1X/315Vr r r R900528162 DBDS4K1X/200r r r R900527929 MHDBD02K2-1X/315M-103r r r R900526752 DBDS25G1X/50/12r r r R900526571 DBDH15G1X/100Vr r r R900526570 DBDS10G1X/50SO102r r r R900526488 W-DBDS6K1X/200Vr r r R900523971 DBDA6G1X/200SO59r r r R900523060 DBDS10P1X/700r r r R900522970 DBDH6G1X/315/12SO127r r r R900522840 DBDA10G1X/200SO60r r r R900520692 DBDS6K1X/200SO59r r r R900520682 DBDH6K1X/315SO127r r r R900512896 DBDS25G1X/315Vr r r R900508418 DBDS4K1X/315r r r R900502051 MHDBD10K2-1X/050Mr r r R900499541 DBDS6K1X/100Jr r r R900498932 DBDS6G1X/200Jr r r R900498906 E-DBDS15G1X/50r r r R900497804 DBDS20K1X/25SO52r r r R900497357 DBDA6K1X/100Vr r r R900497211 DBDS6P1X/100SO60r r r R900496699 DBDA10K1X/50Vr r r R900496206 DBDH10K1X/700r r r R900496034 DBDS10K1X/630Vr r r R900493801 DBDA10K1X/25Vr r r R900492714 DBDA10P1X/50Vr r r R900491662 DBDS10P1X/400Vr r r R900489249 DBDA6K1X/315SO29r r r R900489216 W-DBDS20K1X/25r r r R900488859 DBDS20K1X/25VSO52r r r R900488857 DBDH30G1X/100Vr r r R900488053 DBDS10K1X/25SO52r r r R900486899 DBDS20K1X/200SO60r r r R900486517 DBDS20K1X/25Jr r r R900486516 DBDS20K1X/100Jr r r R900486363 DBDS6G1X/100/12r r r R900486142 DBDS6P1X/315Jr r r R900483990 W-DBDS6G1X/100r r r R900481860 W-DBDS10K1X/200r r r R900479048 DBDH6G1X/400Vr r r R900478766 DBDS20G1X/400Vr r r R900478420 DBDH10K1X/100Vr r r R900478198 DBDA6K1X/200Vr r r R900476862 DBDH6K1X/400Vr r r R900475974 DBDS8G1X/25Vr r r R900474980 DBDS10G1X/315Jr r r R900474243 DBDS20K1X/25Vr r r R900474169 DBDS15G1X/315Vr r r R900473127 DBDS6K1X/200SO32r r r R900472963 DBDS10K1X/315SO52r r r R900472920 DBDH10P1X/50Vr r r R900471837 DBDR10K1X/25r r r R900471617 MHDBD16P2-1X/420M-022r r r R900471398 DBDH10K1X/315Vr r r R900470448 DBDH6G1X/400VSO51r r r R900470269 DBDS15G1X/25Vr r r R900469298 DBDA10G1X/50r r r R900468547 DBDH6K1X/200Vr r r R900468494 DBDH10G1X/400Vr r r R900468297 DBDX10K1X/50SO20r r r R900468137 DBDS10K1X/315Jr r r R900468034 DBDA10G1X/50Vr r r R900466492 DBDH6G1X/400VSO44r r r R900466343 DBDS6P1X/200Vr r r R900466112 DBDH6G1X/25Vr r r R900465088 DBDS6K1X/315SO32r r r R900465087 DBDS6K1X/100SO32r r r R900464464 DBDH10P1X/25Vr r r R900463844 DBDA20K1X/25r r r R900463686 DBDH6G1X/50Vr r r R900463643 DBDH6G1X/100SO52r r r R900463563 DBDH10G1X/50Vr r r R900463217 DBDH6G1X/200SO52r r r R900462948 DBDS30K1X/25Vr r r R900462896 DBDS20G1X/25Vr r r R900462778 DBDX6K1X/200SO20r r r R900462393 DBDS10K1X/25Vr r r r 溢流阀的结构和工作原理r r r
r r r 常用的溢流阀按其结构形式和基本动作方式可归结为直动式和先导式两种。r r r
r r r 1.直动式溢流阀r r r
r r r 直动式溢流阀是依靠系统中的压力油直接作用在阀芯上与弹簧力等相平衡,以控制阀芯的启闭动作,溢流阀是利用被控压力作为信号来改变弹簧的压缩量,从而改变阀口的通流面积和系统的溢流量来达到定压目的的。当系统压力升高时,阀芯上升,阀口通流面积增加,溢流量增大,进而使系统压力下降。溢流阀内部通过阀芯的平衡和运动构成的这种负反馈作用是其定压作用的基本原理,也是所有定压阀的基本工作原理。r r r
r r r 2.先导式溢流阀r r r
r r r 图-19所示为先导式溢流阀的结构示意图,由于先导阀芯一般为锥阀,受压面积较小,所以用一个刚度不太大的弹簧即可调整较高的开启压力,用螺钉调节导阀弹簧的预紧力,就可调节溢流阀的溢流阀压力。r r r
r r r 先导式溢流阀有一个远程控制口K,如果将K口用油管接到另一个远程调压阀(远程调压阀的结构和溢流阀的先导控制部分一样),调节远程调压阀的弹簧力,即可调节溢流阀主阀芯上端的液压力,从而对溢流阀的溢流压力实现远程调压。但是,远程调压阀所能调节的最高压力不得超过溢流阀本身导阀的调整压力。当远程控制口K通过二位二通阀接通油箱时,主阀芯上端的压力接近于零,主阀芯上移到最高位置.阀口开得很大。由于主阀弹簧较软,这时溢流阀p口处压力很低,系统的油在低压下通过溢流阀流回油箱,实现卸荷。r r r r R900462315 DBDS4K1X/25r r r R900460668 DBDS6K1X/25Vr r r R900459771 DBDS6P1X/400Vr r r R900458682 DBDS15G1X/315/12r r r R900458636 DBDS10G1X/200Jr r r R900458278 DBDH6G1X/315/12r r r R900457420 DBDS10K1X/400Vr r r R900456823 DBDS6G1X/400Vr r r R900456498 DBDH30P1X/100r r r R900454789 DBDR10K1X/315r r r R900454014 DBDH6K1X/100SO102r r r R900453780 DBDR6K1X/100r r r R900452327 DBDS20K1X/315Jr r r R900451223 W-DBDS10K1X/315Vr r r R900451077 DBDS6K1X/50SO113r r r R900450967 DBDS20K1X/400SO60r r r R900449495 DBDH10G1X/315Vr r r R900449494 DBDH10G1X/25Vr r r R900449380 DBDS8G1X/630r r r R900448375 DBDS6G1X/25Vr r r R900448058 DBDS10K1X/200JVr r r R900447890 DBDH6K1X/315Vr r r R900447684 DBDS20P1X/200Vr r r R900446990 DBDS20G1X/315Jr r r R900446684 DBDS10P1X/630Vr r r R900446287 DBDS6K1X/200Jr r r R900445875 DBDH30K1X/25r r r R900444974 DBDR10G1X/400r r r R900443433 W-DBDS30K1X/200r r r R900442913 DBDH25G1X/25r r r R900442143 DBDH8G1X/100r r r R900441987 DBDA8G1X/100r r r R900441778 DBDH6G1X/200Vr r r R90044 DBDA20G1X/25r r r R900441418 DBDS4K1X/50r r r R900441074 W-DBDS10K1X/400r r r R900441034 DBDS6K1X/100Vr r r R900440760 DBDH6K1X/100Vr r r R900440510 W-DBDS20K1X/100r r r R900440495 W-DBDH6K1X/200r r r R900440489 W-DBDA6K1X/100r r r R900440483 W-DBDS6K1X/400r r r R900438939 DBDS6K1X/400Vr r r R900438661 DBDH10G1X/200Vr r r R900438640 DBDS6G1X/100Vr r r R900438611 DBDS6P1X/25Vr r r R900438610 DBDS6P1X/50Vr r r R900438105 DBDS20G1X/315Vr r r R900437810 DBDS20P1X/315Vr r r 811100101 DBD-VENTILOHNEGEHAEUSE,DR.BOYr r r 811100099 DBD-VENTILOHNEGEHAEUSE,DR.BOYr r r 811100098 DBD10Y3-1X/140r r r 811100078 DBD10Y3-1X/50r r r R961000891 DICHTUNGSSATZDBD.25/30G/K/P1X/.Er r r R961000890 DICHTUNGSSATZDBD.15/20G/K/P1X/.MTEr r r R961000889 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