***力士乐电液阀4WEH10J4X/6EG24N9TS2K4湖北普斯威德贸易有限公司欢迎您来电咨询！公司销售***:3476706755公司邮件：3476706755@***.com公司电话：13971410600联系人：普斯威德比例阀和伺服阀输入控制信号如果通过电位器输入很多是0-5V或-5V-+5V，通过改变放大器上的比例增益调整使其到0-10V，比例阀和伺服阀可以是内反馈也可以外接外反馈，在一些控制要求不很高的场合可以采用内反馈阀并在阀下叠加一个压差补偿器实现与外界压力无关的速度控制，如果要用外闭环，那么比例阀还要外加一个PID控制板，价格很贵，在一些流量很大的压铸机上（4000L/MIN-12000L/MIN），其比例伺服阀都是两极内闭环，因为外环来不及。R9007706412FRE6A-2X/1LK4MVR9009601702FRE6A-2X/1LK4RVR9009613362FRE6A-2X/2LK4MVR9002450152FRE6A-2X/2LK4RVR9009677932FRE6A-2X/8LK4MVR9009753222FRE6A-2X/8LK4RVR9009508572FRE6A-2X/3QK4MVR9009378672FRE6A-2X/3QK4RVR9009730532FRE6A-2X/6QK4MVR9009561952FRE6A-2X/6QK4RVR9009378602FRE6A-2X/10QK4MVR9009378662FRE6A-2X/10QK4RVR9009378642FRE6A-2X/16QK4MVR9009580632FRE6A-2X/16QK4RVR9009378652FRE6A-2X/25QK4MVR9009378832FRE6A-2X/25QK4RVR9009601822FRE6A-2X/2QEK4MVR9009629922FRE6A-2X/2QEK4RVR9009378682FRE6B-2X/1LK4MVR9009476002FRE6B-2X/1LK4RVR9009366352FRE6B-2X/2LK4MVR9009348912FRE6B-2X/2LK4RVR9009378742FRE6B-2X/8LK4MVR9009340702FRE6B-2X/8LK4RVR9009337082FRE6B-2X/3QK4MVR9009378722FRE6B-2X/3QK4RVR9009378732FRE6B-2X/6QK4MVR9009497422FRE6B-2X/6QK4RVR9009378692FRE6B-2X/10QK4MVR9009495632FRE6B-2X/10QK4RVR9009366362FRE6B-2X/16QK4MVR9009497412FRE6B-2X/16QK4RVR9009378702FRE6B-2X/25QK4MVR9009378712FRE6B-2X/25QK4RVR9009380352FRE6B-2X/2QEK4MVR9009545012FRE6B-2X/2QEK4RVR9009158172FRE10-4X/10LBK4MR9007859832FRE10-4X/10LBK4VR9009158252FRE10-4X/16LBK4MR9007603862FRE10-4X/16LBK4VR9009158202FRE10-4X/25LBK4MR9002498882FRE10-4X/25LBK4VR9009158152FRE10-4X/50LBK4MR9010214482FRE10-4X/50LBK4VR9009158232FRE10-4X/60LBK4MR9009766162FRE10-4X/60LBK4VR9009648062FRE10-4X/5QEBK4MR9009469372FRE10-4X/5QBK4MR9009495752FRE10-4X/10QBK4MR9002459082FRE10-4X/16QBK4MR9009629612FRE10-4X/25QBK4MR9009274792FRE16-4X/80LBK4MR9010706592FRE16-4X/80LBK4VR9009158192FRE16-4X/100LBK4MR9007859822FRE16-4X/100LBK4VR9009274782FRE16-4X/125LBK4MR9010409162FRE16-4X/125LBK4VR9009158142FRE16-4X/160LBK4MR9007477082FRE16-4X/160LBK4V08114031232FREX6B-1X/15L1G24-25N9Z4MM08114030132FREX10B-1X/70L1G24-25N9Z4MMR9009058862FRM6K2-1X/6QRVR9005721822FRM6K2-1X/32QRVR9007578492FRM6A36-3X/0,2QMVR9002252342FRM6A36-3X/0,2QRVR9002415252FRM6A36-3X/0,6QMVR9002055762FRM6A36-3X/0,6QRVR9002166282FRM6A36-3X/1,5QMVR9002055032FRM6A36-3X/1,5QRVR9002107212FRM6A36-3X/3QMVR9002055042FRM6A36-3X/3QRVR9002107222FRM6A36-3X/6QMVR9002055052FRM6A36-3X/6QRVR9002111342FRM6A36-3X/10QMVR9002103512FRM6A36-3X/10QRVR9002183482FRM6A36-3X/16QMVR9002118402FRM6A36-3X/16QRVR9002125862FRM6A36-3X/25QMVR9002098422FRM6A36-3X/25QRVR9009861242FRM6A36-3X/32QMVR9002103532FRM6A36-3X/32QRVR9002055772FRM6B36-3X/0,2QMVR9002055802FRM6B36-3X/0,2QRVR9002055782FRM6B36-3X/0,6QMVR9002113802FRM6B36-3X/0,6QRVR9002055062FRM6B36-3X/1,5QMVR9002055072FRM6B36-3X/1,5QRVR9002055162FRM6B36-3X/3QMVR9002055172FRM6B36-3X/3QRVR9002055182FRM6B36-3X/6QMVR9002055192FRM6B36-3X/6QRVR9002055082FRM6B36-3X/10QMVR9002055092FRM6B36-3X/10QRVR9002055102FRM6B36-3X/16QMVR9002055112FRM6B36-3X/16QRVR9002055122FRM6B36-3X/25QMVR9002055132FRM6B36-3X/25QRVR9002055142FRM6B36-3X/32QMVR9002055152FRM6B36-3X/32QRVR9002211052FRM6SB36-3X/0,2QMVR9002211272FRM6SB36-3X/0,2QRVR9002211062FRM6SB36-3X/0,6QMVR9002211282FRM6SB36-3X/0,6QRVR9002211072FRM6SB36-3X/1,5QMVR9002129282FRM6SB36-3X/1,5QRVR9002211092FRM6SB36-3X/3QMVR9002211302FRM6SB36-3X/3QRV比例阀有较大的零位死区（约20％），而伺服阀则无。从控制来说，比例阀不适合于位置控制。。液压传动系统由于其独特的优点，即具有广泛的工艺适应性、优良的控制性能和较低廉的成本，在各个领域中获得愈来愈广泛的应用。但由于客观上元、辅件质量不稳定和主观上使用、维护不当，且系统中各元件和工作液体都是在封闭油路内工作，不象机械设备那样直观，也不象电气设备那样可利用各种检测仪器方便地测量各种参数，液压设备中，仅靠有限几个压力表、流量计等来指示系统某些部位的工作参数，其他参数难以测量，而且一般故障根源有许多种可能，这给液压系统故障诊断带来一定困难。DG5S-8-6BL-M-U-H5-30DG5S-8-6C-2-T-M-FPA5WL-BDG5S-8-6C-M-U-H5-30DG5S-8-6C-M-U-H7-40DG5S-8-8C-2-E-VM-FTWL-B5DG5S-8-8C-E-VM-FTWL-B5-30DG5S-8-8C-E-VM-U-H5-30DG5S-8-8C-E-VM-U-H7-40DG5S-8-9A-8-M-FTWL-B5-30DG5S-H8-0A-E-M-U-H5-50DG5S-H8-0C-E-M-U-B5-50DG5S-H8-11C-F-M-U-A6-41DG5S-H8-2A-2-M-U-H5-50DG5S-H8-2BL-E-M-U-H5-30DG5S-H8-2C-1-T-M-U-H5-50DG5S-H8-2C-2-M-U-H5-50DG5S-H8-2C-2-T-M-U-A5-50DG5S-H8-2C-2-T-M-U-H5-50DG5S-H8-2C-E-M-U-H5-60DG5S-H8-2C-M-U-H5-41DG5S-H8-2N-2-T-M-U-A6-41DG5S-H8-3C-T-M-U-H5-60DG5S-H8-4C-E-VM-U-A5-50DG5S-H8-4C-E-VM-U-H5-50DG5S-H8-521C-2-E-T-M-U-HDG5S-H8-6AL-E-M-U-H5-60DG5S-H8-6C-2-M-U-H5-50DG5S-H8-6C-2-VM-U1-H5-70（带插头）DG5S-H8-6C-M-U-D6-41DG5S-H8-8C-2-E-VM-U-H5-5DG5S-H8-8C-2-S-VM-U-A5-50DG5S-H8-8C-2-S-VMU-A6-41DG5S-H8-OC-2-S-M-U-H5-50DG5V10H2N2TMUH1DG5V10H6C2MUH10DG5V10H6CTMFWB10DG5V10W33CMPA5WLB1DG5V52CEMUH520DG5V56C2TVMUH520DG5V56CTMUH520DG5V56CTMUH710DG5V70AEMUH540DG5V70CEMUH540DG5V70CETMUH540DG5V72A1TMUH540DG5V72A2ETMUH540DG5V72A2MUC540DG5V72AMUH540DG5V72ATMUH540DG5V72ATVMUA630DG5V72AL2VMUH540DG5V72BTMUH540DG5V72C1TMUH540DG5V72C2MUH540DG5V72C2TMUH540DG5V72CEMUH540DG5V72CETMUH540DG5V72CHMUH540DG5V72CMUC630DG5V72CMUD540DG5V72CMUH540DG5V72CTMUH540DG5V72CTMUH730DG5V72CTVMUH540DG5V72N2MUH540DG5V72NMUA630DG5V72NMUH540DG5V72NMUH730DG5V72NTMUH540DG5V72NVMUH540DG5V731C2MUH540DG5V731CTMUH540DG5V733C3TMUH540DG5V733CT30EN55DG5V733CTMUH540DG5V73CEMUH540DG5V73CTMUH540DG5V76BLTMUH540DG5V76C2MUH540DG5V76C2TMUH540DG5V76C2TVMUH540DG5V76C2VMUC540DG5V76CEMUH540DG5V76CE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