R900020304VT3024-3X/库存大量REXROTH柱塞泵A10VSO,齿轮泵PGH4\5,PGF1/PGF2/PGF3,电磁阀4WE，电子变量泵SYDFEE-2X,电液比例控制阀0811,电液换向阀4WEH、4WE,减压阀DR10、DR20、叠加阀ZD、Z1S、Z2S,ZDR电磁溢流阀DBW，直动式溢流阀DBD、0532，先导溢流阀DB10、DB20,电磁球阀M-S、M-3S,力士乐电液比例控制阀\放大器、压力继电器0811，欢迎来电咨询其特点是液压泵的出口压力仅仅比负载开一个节流阀阀口的压差，也就是高一个定差溢流阀所确定的压差。也就是说随着负载压力的升高，系统压力有可能高出允许值，为此，就增加一个先导阀RY。这个先导阀一般是手调式。这样一来，当系统压力达到先导阀调定值时，先导阀与主阀合成，其功能由定差溢流阀转变成常规溢流阀，限制了系统***压力。R900020304R900020304R900020304R900020304R900020304R900020304武汉亿嘉隆机电设备有限公司电话027-87584899传真027-87688933袁荣1327791640618971564403刘菲扣扣752455694R900786944VT12294-1X/(MOD.VT11025-1X/)R900786563IH20M4B-VT40X01-1X/V00R900786020VT17370-1X/(MOD.VT11118-1X/)R900785335VT-DFPE-A-2X/G24K0/2B1V/VR900784153VT12302-3X/GESCHLOSSENERKARTENHALTERR900782310VT-VSPA1-2-1X/V0/0R900782039VT-NE40-1X/R900781524VT-DFPE-A-2X/G24K0/1A0V/VR900779644VT-MRPA1-100-1X/V0/0R900779643VT-SSPA1-1-1X/V0/0-241834486001VT3002-1-2X/32F0811405063VT-VRRA1-527-20/V0/2STVR900010938VT11015-1X/R900010960VT11013-1X/R900019567VT11021-1X/R900019670VT11078-2X/R900020153VT3002-1-2X/32DR900020154VT3002-1-2X/48FR900020289VT11550-2X/R900020298VT3000-3X/R900020299VT3006-3X/R900020304VT3024-3X/R900020360VT10468-3X/F0-RXR900020746VT10406-3X/FXY-0S-RXYR900021909VT-VSPA2-1-1X/T1R900022868VT12350-3X/0/R900979887VT-VRPA2-1-1X/V0/T1R900029482VT-PVPQ1-1X/0R900029790VT-VSPA2-1-1X/T5R900033111VT-SR2-1X/0-60R900033823VT-VSPA1-1-1X/R900034725VT-SR34-1X/1-2(2WRC63)R900053778VT-VSPA1K-1-1X/R900211788VT11118-1X/R900214081VT-VSPA2-50-1X/T1R900214082VT-VSPA2-50-1X/T5R900249811VT-MRPA2-2-1X/V0/0R900249895VT-MRPA2-1-1X/V0/0R900703811VT-DFP-A-21/G24K0/0/VR900915911VT-MX-4-1X/S6-M2U-2A2C-1D-V50R900913517VT-PVNR-1-1X/10R900913432VT-PVNR-1-1X/01R900912830VT-MX-4-1X/K-AX2C-V50R900912829VT-MX-4-1X/K-AM2C-V50R900910628VT17230-1X/(MOD.VT11033-1X/)R900907956VT17217-1X/0(MOD.VT-SR1/04WS2EM10)R900905983VT11707-1X/(MOD.VT-VRPA1-100-1X/V0/0)R900904507VT-SR7-1X/1/A4VS.250HS1R900903750VT-SR35-1X/1-3(3WRC80)R900903731VT-SR35-1X/1-2(2WRC80)R900903710VT-SR10-1X/1/4WRD16-4XR900903708VT-SR7-1X/1/A4VS.750HSR900903606VT-SR1-1X/1/4WRD25-3XR900903534VT-SR11-1X/1/4WRD10-5XR900903467VT11176-2X/(MOD.VT11076-2X/)R900703811VT-DFP-A-21/G24K0/0/VR900902938VT-PVNR-1-1X/00R900900290VT12427-1X/(MOD.VT11021-1X/OHNEDITHER)博世力士乐电液比例阀放大板/比例阀控制器/数字式比例放大器/比例阀放大器/比压比流放大板/压力流量放大板/双比例阀放大板/电液比例溢流阀放大板/电子比例放大器/比例电子放大器力士乐比例阀实际上是在三通调速阀基础上发展起来的。0811405157VT-VACAP-500-20/V00811405158VT-VACAP-500-20/V0/2CH0811405159VT-VPRAP1-540-10/V0/SI0811405160VT-VPRAP1-540-10/V0/T-SI0811405162VT-SSPA1-508-20/V0/I0811405163VT-PA-20811405164VT-SWMA5-5-1X/V0/00811405166VT-PE-TB10811405167VT-PE-TB20811405168VT-PE-TB30811405169VT-SSBD1-500-10/V0/A0811405170VT-SSBD2-500-10/V0/A0811405171VT-SSBD2-500-10/V0/A-2E0811405172VT-G***D-500-10/V0/C0811405173VT-PA-50811405174LEITERPLATTEBEST0811405177VT-VRPA1-527-1X/V0/QV-RTS0811405178VT-VRPA1-537-1X/V0/QV-RTS0811405531HM18-1X/210-V-R/V0/0如果阀中的节流阀用比例节流阀，先导阀用比例压力阀，则构成电液比例压力流量复合控制阀，俗称PQ阀（也称双比例），塑机行业用的不少。PQ阀具有压力流量复合控制功能，但干起活来还是分开来处理的，就是说，当控制压力时，流量阀让一让（将流量输入值调大，以不影响压力的控制）；当调节流量时，压力阀让一让（将压力输入值调高，以不影响流量控制）。随便提到，由三通调速阀引申出来的阀还不少，例如工程机械用的单路稳流阀，优先阀等等0811405532HM18-1X/350-V-R/V0/00811405533HM18-1X/060-V-S/V0/00811405534HM18-1X/200-N-B/V0/00811405535HM18-1X/350-N-B/V0/00811405536HM18-1X/200-N-S/V0/00811405537HM18-1X/100-N-S/V0/00811405538HM18-1X/350-N-S/V0/00811405539HM18-1X/160-C-B/V0/00811405540HM18-1X/210-V-S/V0/00811405541HM18-1X/210-C-S/V0/00811405542HM18-1X/350-C-S/V0/00811405543HM18-1X/210-C-R/V0/00811405544HM18-1X/350-C-R/V0/00811405545HM18-1X/210-C-B/V0/00811405546HM18-1X/350-C-B/V0/00811405547HM18-1X/350-V-S/V0/00811405548HM18-1X/100-C-S/V0/00811405549HM18-1X/060-C-S/V0/00811405552HM18-1X/210-D-R/V0/00811405553HM18-1X/350-D-R/V0/00811405554HM18-1X/100-V-S/V0/0)