放大器 PLVC41/4-G/VVVV-OS/EN
放大器 PLVC4/4-G/VVVV
HAWE WN1F-/14/HAWE WH1N
节流阀 QV50
径向柱塞 MPE8
溢流阀 MV41C-280
溢流阀 MV41F-20
溢流阀 MV42FH
压力阀 MV53C
溢流阀 MV63C
溢流阀 MV64C
溢流阀 MV64F
溢流阀 MVCS56F-30
溢流阀 MVE6A
溢流阀 MVE6B-350 溢流阀是一种液压压力控制阀,在液压设备中主要起定压溢流作用,稳压,系统卸荷和安全保护作用。
溢流阀定压溢流作用:在定量泵节流调节系统中,定量泵提供的是恒定流量。当系统压力增大时,会使流量需求减小。此时溢流阀开启,使多余流量溢回油箱,保证溢流阀进口压力,即泵出口压力恒定(阀口常随压力波动开启)。
稳压作用:溢流阀串联在回油路上,溢流阀产生背压,运动部件平稳性增加。
系统卸荷作用:在溢流阀的遥控口串接溢小流量的电磁阀,当电磁铁通电时,溢流阀的遥控口通油箱,此时液压泵卸荷。溢流阀此时作为卸荷阀使用。
安全保护作用:系统正常工作时,阀门关闭。只有负载超过规定的极限(系统压力超过调定压力)时开启溢流,进行过载保护,使系统压力不再增加(通常使溢流阀的调定压力比系统工作压力高10%~20%)。
实际应用中一般有:作卸荷阀用,作远程调压阀,作高低压多级控制阀,作顺序阀,用于产生背压(串在回油路上)。
溢流阀一般有两种结构:1、直动型溢流阀 。2、先导式溢流阀。
对溢流阀的主要要求:调压范围大,调压偏差小,压力振摆小,动作灵敏,过载能力大,噪声小。
溢流阀 MVE6F
溢流阀 MVE13HR
溢流阀 MVF4CR-315
溢流阀 MVG14MR
溢流阀 MVG14NR
溢流阀 MVX64C-266
溢流阀 MVX64C-266
溢流阀 MVS41AR
溢流阀 MVSX53E-80
溢流阀 MVSX53E-150 力士乐比例阀R9009071144WREE 6 E32-2X/G24K31/A1V
力士乐比例阀R9009110044WREE 6 W32-2X/G24K31/A1V
力士乐比例阀R9009272304WREE 10 E75-2X/G24K31/A1V
力士乐比例阀R9009272314WREE 10 E75-2X/G24K31/A1V
力士乐比例阀R900941300DBEM 10-5X/200XYG24K4M-1
力士乐比例阀R900977802DBEM 20-5X/200XYG24NK4M-1
力士乐比例阀R901000846DBET-6X/200G24K4V
力士乐比例阀811402003DBETBX-1X/180G24-37Z4M
力士乐比例阀811402071DBETBEX-1X/180G24K31A1M
力士乐比例阀811402515FESX 25CA-1X/210LZ4M
力士乐比例阀811402517FESXE 25CA-1X/210LK0B1M
力士乐比例阀811402614FESX 32CA-1X/320LZ4M
力士乐比例阀811402616FESXE 32CA-1X/320LK0B1M
力士乐比例阀811402620FESX 40CA-1X/500LZ4M
力士乐比例阀811402622FESXE 40CA-1X/500LK0B1M
力士乐比例阀811402633FESX 50CA-1X/980LZ4M
力士乐比例阀811402642FESXE 50CA-1X/980LK0B1M
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