优势力士乐溢流阀DB30-1N5X/100YU
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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R900059505 HED8OA1X/350K14ASV R901110155 HED8OA-2X/50K14KWV
R900778233 HED8OA1X/350K14*** R901102704 HED8OA-2X/50K14S
R900536067 HED8OA1X/350K14KS R901110149 HED8OA-2X/50K14SV
R900218312 HED8OA1X/350K14KSV R901110147 HED8OA-2X/50K14SV/12
R900571065 HED8OA1X/350K14KW R901117070 HED8OA-2X/50K14V
R900573207 HED8OA1X/350K14KWV R901126235 HED8OA-2X/50XNZ14
R900536086 HED8OA1X/350K14S R901134765 HED8OA-2X/630K14/12
R900083371 HED8OA1X/350K14SV R901108512 HED8OA-2X/630K14AS
R900209438 HED8OA1X/350K14V R901109541 HED8OA-2X/630K14KS
R900989789 HED8OA1X/350K35KS R901109538 HED8OA-2X/630K14KW
R900618419 HED8OA1X/350U210K14S R901119175 HED8OA-2X/630K14KW/12
R900534634 HED8OA1X/350Z14 R901107915 HED8OA-2X/630K14S
R900054193 HED8OA1X/350Z14A R901130967 HED8OA-2X/630K14SV
R900056332 HED8OA1X/350Z14AS R901102360 HED8OH-2X/100K14
R900534636 HED8OA1X/350Z14KS R901107128 HED8OH-2X/100K14A
R900534637 HED8OA1X/350Z14KW R901106505 HED8OH-2X/100K14AS
R900062057 HED8OA1X/350Z14KWV R901109535 HED8OH-2X/100K14ASV
R900534635 HED8OA1X/350Z14S R901106498 HED8OH-2X/100K14KS
R900020888 HED8OA1X/350Z14SV R901109532 HED8OH-2X/100K14KWV
R900536034 HED8OA1X/350Z14V R901095375 HED8OH-2X/100K14S
R900536036 HED8OA1X/350Z15 R901108268 HED8OH-2X/100K14SV
R900074776 HED8OA1X/350Z15KW R901099775 HED8OH-2X/100K14V
R900536021 HED8OA1X/50K14 R901125068 HED8OH-2X/100K35KS
R900207436 HED8OA1X/50K14/2 R901099808 HED8OH-2X/200K14
R900081946 HED8OA1X/50K14AS R901099809 HED8OH-2X/200K14A
R900050694 HED8OA1X/50K14ASV R901109530 HED8OH-2X/200K14ASV
R900052710 HED8OA1X/50K14*** R901099811 HED8OH-2X/200K14KS
R900536058 HED8OA1X/50K14KS R901125810 HED8OH-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。R900937779 DZ10DP1-41/210M
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