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4WRA6E1-15-2X/G24N9K4/V4WRA6E1-15-2X/G24N9K4/V的详细信息4WRA6E1-15-2X/G24N9K4/V
R900244238 4WRA6WA30-2X/G24N9K4/V R900346622 4WRA6EA20-1X/24NK4/M R900380090 4WRA6W10-1X/24NK4/M R900381081 4WRA10EA40-1X/24NK4/M R900382854 4WRA6E20-1X/24N9K4/M R900555967 4WRAE10W1-30-2X/G24N9K31/A1V R900558355 4WRAE6E30-2X/G24N9K31/A1V R900558356 4WRAE10E60-2X/G24N9K31/A1V R900575765 4WRA10W1-60-2X/G24N9K4/V R900577424 4WRA10W30-2X/G24K4/V R900581366 4WRAP6W7-04-2X/24K4/M R900710082 4WRA6W10-1X/24N9K4/M R900710530 4WRAE10W60-2X/G24K31/F1V R900736894 4WRAE6W03-2X/G24N9K31/A1V R900750718 4WRAE6EA15-2X/G24N9K31/A1V R900762072 4WRAE6W30-2X/G24K31/F1V R900784024 4WRA6W1-15-2X/G24N9K4/V-589 R900787374 4WRA6WA07-2X/G24N9K4/V-589 R900900987 4WRAE6W30-2X/G24N9K31/A1V R900900988 4WRAE10W60-2X/G24N9K31/A1V R900902095 4WRA6W30-2X/G24N9K4/V R900902097 4WRA10E60-2X/G24N9K4/V R900902537 4WRA6W1-30-2X/G24N9K4/V R900902940 4WRA6E30-2X/G24N9K4/V R900904010 4WRAE10E30-2X/G24N9K31/F1V R900904105 4WRA6E07-2X/G24N9K4/V-589 R900904438 4WRA6E15-2X/G24K4/V R900904439 4WRA6E30-2X/G24K4/V R900904801 4WRAE10WA60-2X/G24N9K31/A1V R900906034 4WRA6E1-15-2X/G24N9K4/V R900906262 4WRA6E07-2X/G24N9K4/V R900907650 4WRA10W60-2X/G24N9K4/V R900908195 4WRAE6W15-2X/G24N9K31/F1V R900908297 4WRA10E1-30-2X/G24N9K4/V R900908299 4WRA10W1-30-2X/G24N9K4/V R900908938 4WRAE6W15-2X/G24N9K31/A1V R900908978 4WRA10E1-60-2X/G24N9K4/V R900909389 4WRAE6E15-2X/G24N9K31/A1V R900909658 4WRAE10E1-60-2X/G24N9K31/A1V R900910780 4WRA6E07-2X/G24K4/V R900913442 4WRAE6W1-15-2X/G24N9K31/A1V R900913443 4WRA6W15-2X/G24N9K4/V R900913445 4WRAE6W1-30-2X/G24N9K31/A1V R900913446 4WRAEB6EA30-2X/G24N9K31/A1V R900913646 4WRAE10W30-2X/G24N9K31/A1V R900916601 4WRAE10EA60-2X/G24N9K31/A1V R900917193 4WRA10EA60-2X/G24N9K4/V R900917702 4WRA6W20-1X/24N9K4/M R900920055 4WRAE10W60-2X/G24N9K31/F1V R900920557 4WRA6E15-2X/G24N9K4/V R900920588 4WRAE10E30-2X/G24N9K31/A1V R900921245 4WRA6E30-2X/G24N9K4/V-589 R900921739 4WRA10E30-2X/G24N9K4/V R900922441 4WRA10W30-2X/G24N9K4/V R900923472 4WRA6W07-2X/G24N9K4/V R900924377 4WRA6EB30-2X/G24N9K4/V R900925006 4WRAE6E07-2X/G24N9K31/A1V R900925456 4WRAE6E07-2X/G24N9K31/F1V R900925553 4WRA6EA07-2X/G24N9K4/V R900926364 4WRA10E40-1X/24NK4/M R900926365 4WRA10E60-2X/G24N9K4/V-589 R900926473 4WRAE10EB60-2X/G24N9K31/A1V R900926975 4WRA6W30-2X/G24N9K4/V-589 R900926985 4WRA10EA30-2X/G24N9K4/V R900928412 4WRA6W07-2X/G24K4/V R900929318 4WRAE10E60-2X/G24N9K31/F1V R900931485 4WRAE6E30-2X/G24N9K31/F1V R900931721 4WRA10W60-2X/G24K4/V-589 R900932003 4WRAE6W07-2X/G24N9K31/A1V R900932055 4WRA6E1-07-2X/G24N9K4/V R900933792 4WRA6EB15-2X/G24N9K4/V R900934376 4WRA6E1-30-2X/G24N9K4/V R900934606 4WRA10EB60-2X/G24N9K4/V R900935535 4WRA6WA30-2X/G24K4/V R900935623 4WRA10WA60-2X/G24N9K4/V R900935629 4WRA10W1-30-2X/G24N9K4/V-589 R900935630 4WRA6W15-2X/G24N9K4/V-589 R900935739 4WRA10W1-60-2X/G24N9K4/V-589 R900936006 4WRAE10W1-60-2X/G24N9K31/A1V 型号4WRE 和 4WREE 比例方向阀,直动式,有电位置反馈 规格6和10 安装面按ISO 4401 控制流量的方向和大小 比例电磁铁操作 对中弹簧控制阀芯 不同阀芯可遮盖 集成控制电气元件(OBE)用于4WREE型 4WRA6E1-15-2X/G24N9K4/V 这些阀组合了先导辅控式平衡阀和经C3端口进行制动的梭阀的功能;它们能用在两侧等截面、并带有超限负载和弹簧加载保持制动功能(典型的设备,是由液压马达驱动的绞盘)的执行器上。 在绞盘回路中,当负载下降时,由超限负载所引起的压力保持不变,可将先导比R选得尽可能高,以便加快速度并节省能量。但必须考虑到的是,打开平衡阀所需的“先导压力”,必须始终“高于”制动解锁压力(一般为15~20bar)。实际上,当负载开始下降时,建立的先导管路压力必须达到制动卸荷的压力设定值,才能打开平衡阀,并使马达开始转动。对于液压马达而言,打开平衡阀所需的先导压力值可由以下公式计算得到: Ppil = ( Pt-Pload ) / ( R+1 ) 最低先导压力(Ppil)为: (Ppilmin)= ( Pt – Ploadmax ) / ( R+1 ) 这里: Pt = 压力设定值(溢流阀设定) Pload = 负载所引起的压力 R = 先导比 举例: Ploadmax =170bar ( f负载所引起压力的最大预期值) Pt = 325bar (> 1.3*170 bar ) R = 8:1 ( 先导比 ) 制动卸荷压力 > = 17 bar (Ppilmin) = (350-170) / (8+1) bar = 20bar > 17bar 由于最低先导压力大于17bar,因此所选的平衡阀,相关参数为R=8:1 且Pt=350bar,符合正确的下降顺序要求。 如果不符合要求,就应当选择其它的先导比或压力值。 4WRA6E1-15-2X/G24N9K4/V |
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