优势力士乐溢流阀DB30-1N5X/100YU武穴黎翔机电设备有限公司，公司销售涉及品牌：REXROTH德国力士乐，PARKER美国派克，VICKERS美国威格士，DENISON法国丹尼逊，BUCHER德国布赫，HAWE德国哈威，DUPLOMATIC意大利迪普马，ATOS意大利阿托斯等。欢迎您的询价！询价手机：18972758911/18934630908询价***:3206749044伺服阀的主阀一般来说和换向阀一样是滑阀结构，只不过阀芯的换向不是靠电磁铁来推动，而是靠前置级阀输出的液压力来推动，这一点和电液换向阀比较相似，只不过电液换向阀的前置级阀是电磁换向阀，而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀R900059505HED8OA1X/350K14ASVR901110155HED8OA-2X/50K14KWVR900778233HED8OA1X/350K14***R901102704HED8OA-2X/50K14SR900536067HED8OA1X/350K14KSR901110149HED8OA-2X/50K14SVR900218312HED8OA1X/350K14KSVR901110147HED8OA-2X/50K14SV/12R900571065HED8OA1X/350K14KWR901117070HED8OA-2X/50K14VR900573207HED8OA1X/350K14KWVR901126235HED8OA-2X/50XNZ14R900536086HED8OA1X/350K14SR901134765HED8OA-2X/630K14/12R900083371HED8OA1X/350K14SVR901108512HED8OA-2X/630K14ASR900209438HED8OA1X/350K14VR901109541HED8OA-2X/630K14KSR900989789HED8OA1X/350K35KSR901109538HED8OA-2X/630K14KWR900618419HED8OA1X/350U210K14SR901119175HED8OA-2X/630K14KW/12R900534634HED8OA1X/350Z14R901107915HED8OA-2X/630K14SR900054193HED8OA1X/350Z14AR901130967HED8OA-2X/630K14SVR900056332HED8OA1X/350Z14ASR901102360HED8OH-2X/100K14R900534636HED8OA1X/350Z14KSR901107128HED8OH-2X/100K14AR900534637HED8OA1X/350Z14KWR901106505HED8OH-2X/100K14ASR900062057HED8OA1X/350Z14KWVR901109535HED8OH-2X/100K14ASVR900534635HED8OA1X/350Z14SR901106498HED8OH-2X/100K14KSR900020888HED8OA1X/350Z14SVR901109532HED8OH-2X/100K14KWVR900536034HED8OA1X/350Z14VR901095375HED8OH-2X/100K14SR900536036HED8OA1X/350Z15R901108268HED8OH-2X/100K14SVR900074776HED8OA1X/350Z15KWR901099775HED8OH-2X/100K14VR900536021HED8OA1X/50K14R901125068HED8OH-2X/100K35KSR900207436HED8OA1X/50K14/2R901099808HED8OH-2X/200K14R900081946HED8OA1X/50K14ASR901099809HED8OH-2X/200K14AR900050694HED8OA1X/50K14ASVR901109530HED8OH-2X/200K14ASVR900052710HED8OA1X/50K14***R901099811HED8OH-2X/200K14KSR900536058HED8OA1X/50K14KSR901125810HED8OH-2X/200K14KWV。也就是说，伺服阀的主阀是靠前置级阀的输出压力来控制的，而前置级阀的压力则来自于伺服阀的入口p，假如p口的压力不足，前置级阀就不能输出足够的压力来推动主阀芯动作。R900937779DZ10DP1-41/210MR900502152DZ10DP1-41/75YR900502093DZ10DP1-42/150XMR900502674DZ10DP1-43/150XR900503251DZ10DP1-43/150YR900503240DZ10DP1-43/210YMR900503241DZ10DP1-43/25YMR900514832DZ10DP1-43/75XR900502673DZ10DP1-44/210YR900501343DZ10DP1-44/75R900510873DZ10DP1-44/75YMR900907754DZ10DP1-4X/150R900502674DZ10DP1-4X/150XR900502093DZ10DP1-4X/150XMR900933050DZ10DP1-4X/150XMVR900503251DZ10DP1-4X/150YR900548224DZ10DP1-4X/150YMVR900507213DZ10DP1-4X/210R900937779DZ10DP1-4X/210MR900522432DZ10DP1-4X/210XR901177299DZ10DP1-4X/210XMR901114272DZ10DP1-4X/210XVR900523442DZ10DP1-4X/210XYR900514361DZ10DP1-4X/210XYMR900502673DZ10DP1-4X/210YR900503240DZ10DP1-4X/210YMR900941817DZ10DP1-4X/210YMVR900594128DZ10DP1-4X/25R900924883DZ10DP1-4X/25XYR900513801DZ10DP1-4X/25YR900503241DZ10DP1-4X/25YMR900501343DZ10DP1-4X/75R900508366DZ10DP1-4X/75MR900514832DZ10DP1-4X/75XR900933301DZ10DP1-4X/75XVR900524347DZ10DP1-4X/75XYR900502152DZ10DP1-4X/75YR900510873DZ10DP1-4X/75YMR900502104DZ10DP2-41/210XYR900502317DZ10DP2-41/75XYR900502064DZ10DP2-42/150XYR900503202DZ10DP2-42/75YR900501181DZ10DP2-43/150R900503242DZ10DP2-43/150YR900505068DZ10DP2-43/150YMR900505018DZ10DP2-43/210XR900525189DZ10DP2-43/210XYMR900517588DZ10DP2-43/210YMR900554745DZ10DP2-43/210YMVR900587772DB10-2-5X/200R900502649DB10-2-5X/200VR901011411DB10-2-5X/200UR900595345DB10-2-5X/200XR900701467DB10-2-5X/200XVR900968799DB10-2-5X/200XUR900599380DB10-2-5X/200YR900528384DB10-2-5X/200YVR900533538DB10-2-5X/200YUR900509086DB10-2-5X/200XYR900590334DB10-2-5X/315R900505883DB10-2-5X/315VR900593840DB10-2-5X/315UR900562297DB10-2-5X/315UVR900591126DB10-2-5X/315XR900599205DB10-2-5X/315XVR900526496DB10-2-5X/315XUR900567750DB10-2-5X/315XUVR900597313DB10-2-5X/315YR900708265DB10-2-5X/315YVR900513599DB10-2-5X/315YUR900597590DB10-2-5X/315XYR901160806DB10-2-5X/315XYVR901152542DB10-2-5X/315XYUR900597992DB10-2-5X/350R900249511DB10-2-5X/350VR900501045DB10-2-5X/350XR901246914DB10-2-5X/350XVR900597420DB10-2-5X/350YR900500117DB10-2-5X/350YVR900511665DB10-2-5X/350XYR900503083DB10-3-5X/50R900920195DB10-3-5X/50VR900903174DB10-3-5X/50UR900941383DB10-3-5X/50UVR901179393DB10-3-5X/50YR900503664DB10-3-5X/50YUR900596563DB10-3-5X/100R900502262DB10-3-5X/100VR900522567DB10-3-5X/100UR900563388DB10-3-5X/100UVR900513752DB10-3-5X/100XR900937809DB10-3-5X/100XVR900596562DB10-3-5X/100YR901041651DB10-3-5X/100YUR900515045DB10-3-5X/100XYR900594773DB10-3-5X/200R900975411DB10-3-5X/200VR900502039DB10-3-5X/200XR900503544DB10-3-5X/200YR900573811DB10-3-5X/200XYUR900594604DB10-3-5X/315R900532300DB10-3-5X/315UR900505157DB10-3-5X/315XR900618979DB10-3-5X/315XVR900772004DB10-3-5X/315XUR900503637DB10-3-5X/315YR901096727DB10-3-5X/315YVR900907113DB10-3-5X/315YUR900523864DB10-3-5X/315XYR900510623DB10-3-5X/350R900528385DB10-3-5X/350YR900551708DB10-7-5X/50R901021927DB10-7-5X/50UR900906018DB10-7-5X/100R901149028DB10-7-5X/100VR900769126DB10-7-5X/100YR900961076DB10-7-5X/100XYR900529920DB10-7-5X/200R901146523DB10-7-5X/200UVR900546636DB10-7-5X/315R901110223DB10-7-5X/315VR900730624DB10-7-5X/315UR900930480DB10-7-5X/315XR901095396DB10-7-5X/315YR901020886DB10-7-5X/350R900524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