4WRPH10C4B100L-20/G24Z4/M比例先导阀 德国原装博世力士乐REXROTH比例阀 比例先导阀 原装现货 正确产品特价
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4WRPH10C4B100L-20/G24Z4/M比例先导阀
电液比例阀是一种性能介于普通控制阀和电液伺服阀之间的新阀种。它既可以根据输入电信号的大小连续成比例地对油液的压力、流量、方向实现远距离控制、计算机控制,又在制造成本、抗污染等方面优于电液伺服阀。
电液比例阀根据用途分为:电液比例压力阀,电液比例流量阀,电液比例方向阀。
电液比例阀的控制性能低于电液伺服阀,因此广泛应用于要求不高的一般工业部门。
电液比例溢流阀
组成:
比例电磁铁+直动式溢流阀主体
工作原理:
输入一I,产生一电磁力,作用于阀心上,得到- -控制压力,其pI, I变化,p也变化。
电液比例换向阀
比例电磁铁替代普通电磁换向阀中的普通电磁铁即可。
工作原理:输入- ~I,得到一个运动方向,并且还可改变输出流量的
大小;改变电流信号较性,即可改变运动方向。
比例调速阀
组成:
比例电磁铁替代调速阀中的调节螺帽即可。
工作原理:输入—I, 得到一相应运动,使节流阀阀口变化,流量变化
电液比例阀工程机械上应用实例
汽车起重机液压系统。该机采用了3片型比例多路阀,负载传感油路中3个梭阀将3个工作负载中大压力选出来送至远程调压溢流阀远控口,调整溢流阀溢流压力,使液压泵输出压力恰好符合系统负载需要即可,达到一定节能目。压力补偿油路使每一片阀流量仅与该阀开度有关,而所承受负载无关,它阀片所承受负载也没有关系,达到任一负载下均可随意控制负载速度目。
推土机推土铲手动与电液比例先导控制实例。当二位三通电磁阀不通电时,先导压力与手动减压式先导阀相通,梭阀选择来自手动先导阀压力对液动换向阀进行控制;当二位三通电磁阀通电时,先导控制压力油通向三通比例减压式先导阀,梭阀对液动换向阀进行控制。
比例阀现货供应型号
德国博世力士乐REXROTH比例阀 比例伺服阀 比例流量阀 上海韦米现货特价供应
0811403001 REXROTH比例阀4WRP10EA63S-1X/G24Z4/M
0811403017 REXROTH比例阀4WRBA10EA75-2X/G24K4/M-828
0811404034 REXROTH比例阀4WRPH6C3B12L-2X/G24Z4/M
0811404035 REXROTH比例阀4WRPH6C3B24L-2X/G24Z4/M
0811404037 REXROTH比例阀4WRPH6C4B12L-2X/G24Z4/M
0811404038 REXROTH比例阀4WRPH6C4B24L-2X/G24Z4/M
0811404043 REXROTH比例阀4WRPH6C3B25P-2X/G24Z4/M
0811404046 REXROTH比例阀4WRPH6C4B40P-2X/G24Z4/M
0811404059 REXROTH比例阀4WRPH10C3B100L-2X/G24Z4/M
0811404060 REXROTH比例阀4WRPH10C4B50L-2X/G24Z4/M
0811404061 REXROTH比例阀4WRPH10C4B100L-2X/G24Z4/M
0811404063 REXROTH比例阀4WRPH10C3B100P-2X/G24Z4/M
0811404079 REXROTH比例阀4WRPH10C5B100P-2X/G24Z4/M
0811404080 REXROTH比例阀4WRP10W63S-1X/G24Z4/M
0811404104 REXROTH比例阀4WRP6C3B02L-1X/G24Z4/M
0811404114 REXROTH比例阀4WRBA6E30-2X/G24N9Z4/M
0811404115 REXROTH比例阀4WRBA6E15-2X/G24N9Z4/M
0811404122 REXROTH比例阀4WRPH6C3B04L-1X/G24Z4/M
0811404123 REXROTH比例阀4WRBA6E07-2X/G24N9Z4/M
0811404140 REXROTH比例阀4WRPE6E18SJ-2X/G24K0/A1M
0811404141 REXROTH比例阀4WRPE6E32SJ-2X/G24K0/A1M
0811404147 REXROTH比例阀4WRPE6W32SJ-2X/G24K0/F1M
0811404150 REXROTH比例阀4WRBAE6E32J-2X/G24N9K31/A1M
0811404152 REXROTH比例阀4WRBAE6W32J-2X/G24N9K31/A1M
0811404183 REXROTH比例阀4WRL10W80S-3X/G24Z4/M
0811404188 REXROTH比例阀4WRL10W80S-3X/G24ETZ4/M
0811404207 REXROTH比例阀4WRL16V200M-3X/G24Z4/M
0811404209 REXROTH比例阀4WRL16WZ180S-3X/G24Z4/M
0811404213 REXROTH比例阀4WRL16W1Z180S-3X/G24Z4/M
0811404256 REXROTH比例阀4WRLE16X200M-3X/G24K0/A1M-811
0811404273 REXROTH比例阀4WRLE16W1-200M-3X/G24EK0/A1WX02M-779
0811404306 REXROTH比例阀4WRLE16E1Z180SJ-3X/G24K0/A1M
0811404307 REXROTH比例阀4WRLE16WZ180SJ-3X/G24K0/A1M
0811404330 REXROTH比例阀4WRLE16W3-180SJ-3X/G24EK0/A1WX02M-744
0811404351 REXROTH比例阀4WRPEH6C4B12L-2X/G24K0/F1M
0811404353 REXROTH比例阀4WRPEH6C4B40L-2X/G24K0/F1M
0811404354 REXROTH比例阀4WRPEH6C1B40L-2X/G24K0/F1M
0811404405 REXROTH比例阀4WRL25V370M-3X/G24Z4/M
0811404407 REXROTH比例阀4WRL25EZ350S-3X/G24Z4/M XXXXXXXXXXXXX
0811404409 REXROTH比例阀4WRL25W1Z350S-3X/G24Z4/M
0811404430 REXROTH比例阀4WRLE25V370M-3X/G24K0/A1M
0811404439 REXROTH比例阀4WRLE25W1-370M-3X/G24EK0/A1M-769
0811404440 REXROTH比例阀4WRLE27W1-430M-3X/G24EK0/A1M-769
0811404457 REXROTH比例阀4WRLE25W1Z350SJ-3X/G24K0/A1M
0811404473 REXROTH比例阀4WRLE25W350SJ-3X/G24EK0/A1WX02M-756
0811404504 REXROTH比例阀4WRLE35W1100SJ-3X/G24K0/A1M
0811404537 REXROTH比例阀4WRPEH6C4B02L-2X/G24K0/F1M
0811404551 REXROTH比例阀4WRPE10Q5-50M-2X/G24K0/A1M-836
0811404572 REXROTH比例阀4WRLE27Q3-550P-3X/G24K0/A1M
0811404588 REXROTH比例阀4WRLE35R5-1100SJ-3X/G24EK0/A1M-868
0811404601 REXROTH比例阀4WRPEH6C3B12L-2X/G24K0/A1M
0811404602 REXROTH比例阀4WRPEH6C3B24L-2X/G24K0/A1M
0811404603 REXROTH比例阀4WRPEH6C3B40L-2X/G24K0/A1M
0811404611 REXROTH比例阀4WRPEH6C4B12L-2X/G24K0/A1M
0811404612 REXROTH比例阀4WRPEH6C4B24L-2X/G24K0/A1M
0811404613 REXROTH比例阀4WRPEH6C4B40L-2X/G24K0/A1M
0811404643 REXROTH比例阀4WRPEH6C3B25P-2X/G24K0/A1M
0811404644 REXROTH比例阀4WRPEH6C3B40P-2X/G24K0/A1M
0811404656 REXROTH比例阀4WRLE10X85M-3X/G24ETK0/A1M-812
0811404680 REXROTH比例阀4WRLE10Q3-85M-3X/G24ETK0/A1M
0811404701 REXROTH比例阀4WRLE10E1-80SJ-3X/G24K0/A1M
0811404703 REXROTH比例阀4WRLE10W1-80SJ-3X/G24K0/A1M
0811404711 REXROTH比例阀4WRLE10W4-80SJ-3X/G24K0/A1M
0811404720 REXROTH比例阀4WRREH6VB40L-1X/G24K0/B5M
0811404746 REXROTH比例阀4WRPEH6C5B40L-2X/G24K0/A1M
0811404749 REXROTH比例阀4WRPEH6C5B40L-2X/G24K0/F1M
0811404750 REXROTH比例阀4WRPE10EA80SJ-2X/G24K0/A1M
0811404766 REXROTH比例阀4WRPE10CB80L-2X/G24K0/F1M-810
0811404772 REXROTH比例阀4WRPE10W50SJ-2X/G24K0/A1M
0811404778 REXROTH比例阀4WRPE10W50SJ-2X/G24K0/F1M
0811404801 REXROTH比例阀4WRPEH10C3B100L-2X/G24K0/A1M
0811404802 REXROTH比例阀4WRPEH10C4B50L-2X/G24K0/A1M
0811404803 REXROTH比例阀4WRPEH10C4B100L-2X/G24K0/A1M
比例阀的结构和其它参数一定的情况下,调节作用的初始控制压力P·的值取决于感载的比例阀感载弹簧预紧力的大小,其变化范围在1.35~2.7MPa之间.因此只要使弹簧预紧力随汽车实际轴荷的变化而变化,就能实现感载调节。感载比例阀安装在左后轮附近,其安装方式使得轴荷增加时,感载弹簧被拉伸,折点液压PS加大;轴荷减小时.PS减小.这样就使Ps随载荷变化,实现了感载调节,使前后轮制动力分配更接近理想分配特性曲线。
力士乐REXROTH支撑型材 40x160L
3842993143
3842993144
3842993145
3842993146
3842529345
3842993717
3842548748
3842548749
⑴、力士乐REXROTH支撑型材 80x80L
3842993133
3842993134
3842993147
3842993148
3842993149
3842993150
3842993151
3842529347
3842993674
3842548750
3842548751
⑵、力士乐REXROTH支撑型材 80x80L 4N
3842555651
3842993769
3842548750
3842548751
⑶、力士乐REXROTH支撑型材 80x80L 4NVS
3842993658
3842538334
3842993758
3842548750
3842548751
⑷、力士乐REXROTH支撑型材 80x80L 6N
3842993423
3842536481
3842993675
3842548750
3842548751
⑸、力士乐REXROTH支撑型材 40x120x120L
3842993653
3842538287
3842993757
3842548746
3842548748
3842548747
3842548749
⑹、力士乐REXROTH支撑型材 80x120L
3842993201
3842993202
3842993203
3842993204
3842993229
3842537828
3842993672
3842548792
3842548793
⑺、力士乐REXROTH支撑型材 80x160L
3842993127
3842993128
3842993152
3842993153
3842993154
3842993155
3842993226
3842529349
3842993673
3842548750
3842548751
4、REXROTH力士乐10mm锁坑支撑型材,模块化尺寸45mm
⑴、力士乐REXROTH支撑型材 45x45L
3842992425
3842992426
3842992427
3842992960
3842992967
3842992953
3842992954
3842992956
3842553611
3842993737
3842548752
3842548753
3842548796
3842548797
⑵、力士乐REXROTH支撑型材 45x45L 0N
3842540955
3842993761
3842548752
3842548753
3842548796
3842548797
⑶、力士乐REXROTH支撑型材 45x45L 1N
3842992401
3842506956
3842993738
3842548752
3842548753
3842548796
3842548797
⑷、力士乐REXROTH支撑型材 45x45L 2N
3842992403
3842506958
3842993739
3842548752
3842548753
3842548796
3842548797
⑸、力士乐REXROTH支撑型材 45x45L 2NVS
3842992402
3842506957
3842993740
3842548752
3842548753
3842548796
3842548797
⑹、力士乐REXROTH支撑型材 45x45L 3N
3842992404
3842506959
3842993741
3842548752
3842548753
3842548796
3842548797
⑺、力士乐REXROTH支撑型材 45x30°
3842993013
3842524040
3842993733
3842551021
3842551020
⑻、力士乐REXROTH支撑型材 45x45°
3842993014
3842524043
3842993735
3842551023
3842551022
⑼、力士乐REXROTH支撑型材 45x60°
3842993015
3842524046
3842993744
3842551025
3842551024
⑽、力士乐REXROTH支撑型材 45x45L R
3842992897
3842517200
3842993742
3842548800
3842548801
⑾、力士乐REXROTH支撑型材 45x45 HR
3842992945
3842993001
3842992999
3842525505
3842993736
3842548798
3842548799
⑿、力士乐REXROTH支撑型材 45x45
3842990520
3842990517
3842990518
3842990519
3842990640
3842990521
3842990642
3842992969
3842990648
3842990644
3842990646
3842553614
3842993734
3842548752
3842548753
3842548796
3842548797
⒀、力士乐REXROTH支撑型材 45x60
3842990570
3842990571
3842990572
3842990575
3842990573
3842992376
3842990688
3842990672
3842990674
3842992375
3842990690
3842990670
3842993085
3842990584
384250规格4
3842993743
3842548754
3842548755
3842548802
3842548803
⒁、力士乐REXROTH支撑型材 45x90SL
3842993450
3842537102
3842993759
3842548756
3842548757
3842548804
3842548805
⒂、力士乐REXROTH支撑型材 45x90L
3842992432
3842992453
3842992433
3842992437
3842992436
3842992452
3842992435
3842993084
3842553612
3842993662
3842548756
3842548757
3842548804
3842548805
⒃、力士乐REXROTH支撑型材 45x90L 2N
3842993644
3842538299
3842993751
3842548756
3842548757
3842548804
3842548805
⒄、力士乐REXROTH支撑型材 45x90L 2NVS
3842555652
3842993770
3842548756
3842548757
3842548804
3842548805
⒅、力士乐REXROTH支撑型材 45x90L 3NVS
3842993635
3842538298
3842993752
3842548756
3842548757
3842548804
3842548805
⒆、力士乐REXROTH45 x 90 支撑型材
3842990300
3842990301
3842990302
3842990323
3842990305
3842990303
3842990304
3842990325
3842990307
3842990329
3842990313
3842990311
3842990331
3842990309
3842553615
3842993661
3842548756
3842548757
3842548804
3842548805
电液比例流量控制回路和系统。例如:用于带钢热连轧机精轧机平衡液压系统的电液比例压力控制回路,用于机床微进给的电液比例控制回路,用于旋压机折板机同步的电液比例控制回路,用于电梯的电液比例控制回路;
⒇、力士乐REXROTH支撑型材 45x180
3842990335
3842990336
3842990339
3842990342
3842990344
3842553616
3842993731
3842548794
3842548795
⑴、力士乐REXROTH支撑型材 45x270
3842992927
3842992928
3842520025
3842993732
3842548756
3842548757
⑵、力士乐REXROTH支撑型材 45x90x90L
3842992387
3842992388
3842537823
3842993682
3842548806
3842548807
⑶、力士乐REXROTH支撑型材 45x90x90L 4N
3842547827
3842548806
3842548807
3842993764
⑷、力士乐REXROTH支撑型材 90x90SL
3842993449
3842537100
3842993681
3842548758
3842548759
⑸、力士乐REXROTH支撑型材 90x90L
3842992415
3842992416
3842992422
3842992423
3842992417
3842992420
3842992421
3842992418
3842992419
3842553613
3842993680
3842548758
3842548759
⑹、力士乐REXROTH支撑型材 90x90L 4N
3842993628
3842538297
3842993755
3842548758
3842548759
⑺、力士乐REXROTH支撑型材 90x90L 4NVS
3842993621
3842538296
3842993756
3842548758
3842548759
⑻、力士乐REXROTH支撑型材 90x90
3842990500
3842990501
3842990502
3842992961
3842992373
3842993083
3842990092
3842990093
3842990094
3842993082
3842990505
3842990507
384250规格9
3842993679
3842548760
3842548761
3842548814
3842548815
⑼、力士乐REXROTH支撑型材 90x180L
3842992857
3842992858
3842992859
3842992860
3842992864
3842992861
3842516015
3842993677
3842548758
3842548759
⑽、力士乐REXROTH支撑型材 90x180
3842990416
3842990417
3842990418
3842990419
3842992378
3842992898
3842993081
3842990421
3842553617
3842993676
3842548760
3842548761
3842548814
3842548815
⑿、力士乐REXROTH支撑型材 90x360
3842993434
3842993435
3842993436
3842993678
3842548760
3842548761
3842548814
3842548815
⒀、力士乐REXROTH支撑型材 15x22.5
3842992473
3842992474
3842992475
3842513576
3842993689
3842548816
3842548817
⒁、力士乐REXROTH支撑型材 15x180
3842993079
3842526821
3842993686
3842548772
3842548773
⒂、力士乐REXROTH支撑型材 22.5x45
3842990292
3842990087
3842990090
3842990091
3842537812
3842993700
3842548830
3842548831
⒄、力士乐REXROTH支撑型材 22.5x180
3842990345
3842990346
3842990347
3842509179
3842993699
3842548770
3842548771
5、REXROTH力士乐10mm锁坑支撑型材,模块化尺寸50mm
⑴、力士乐REXROTH支撑型材 50x50L
3842993156
3842993157
3842993158
3842993159
3842993164
3842993160
3842993161
3842993162
3842529351
3842993665
3842548820
3842548821
3842548822
3842548823
⑵、力士乐REXROTH支撑型材 50x100L
比例控制技术在液压系统中的应用越来越广泛,比例方向阀调节执行元件速度时,与压力补偿器配合使用,其优点可使比例阀阀口越来差基本保持不变,从而使执行元件的速度不受负载变化的影响。目前,压力补偿器已广泛应用于冶金、电力、建筑、煤矿机械等各个行业。