力士乐溢流阀R900447152 ZDB6VP1-42/200
武汉百士自动化设备有限公司专注于液压、气动、工控自动化备件销售,热诚欢迎新老客户咨询购买!
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。 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,**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、先导型溢流阀。
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。
0811402019 DBETX-1X/250G24-8NZ4M
0811402030 DBETX-1X/80G24-25NZ4M
0811402031 DBETX-1X/180G24-25NZ4M
0811402036 DBETX-1X/50G24-8NZ4M
0811402042 DBE6X-1X/315G24-25NZ4M
0811402043 DBE6X-1X/315G24-8NZ4M
0811402071 DBETBEX-1X/180G24K31A1M
0811402073 DBETBEX-1X/250G24K31A1M
0811402117 DBE10Z-1X/180XYG24-8NZ4M
0811402118 DBE10Z-1X/315XYG24-8NZ4M
R900058358 DBDS10K1X/315-220
R900077572 DB20K7-1X/315XY
R900203851 DBDS2K2X/100
R900203852 DBDS2K2X/200
R900219731 DBDS10K1X/630VSO151
R900334966 DBETR-1X/80G24K4M
R900339705 DBDS10K1X/315SO60
R900345792 DB20K2-1X/200XYSO31
R900370146 DBETR-1X/230G24K4M
R900372794 DB10-1-4X/200W65
R900373651 DB20-1-4X/200W65
R900382707 DB20K3-1X/315Y
R900387353 DBDA15G1X/50V
R900389364 DB20-1-4X/350W65
R900398663 DB82F2-3X/100U
R900402543 DBDS10K1X/200SO52
R900407389 DB10-1-4X/200UW65
R900412191 DB20K1-1X/200Y
R900420276 DBDS10K1X/25
R900422247 DB10-1-4X/50UW65
R900422542 DBDS20K1X/25
R900422543 DBDS30K1X/25
R900423714 DBDS30P1X/200
R900423715 DBDS30P1X/315
R900423719 DBDS6G1X/200
R900423722 DBDS6G1X/50
R900423723 DBDS6K1X/100
R900423724 DBDS6K1X/200
R900423725 DBDS6K1X/315
R900423726 DBDS6K1X/400
R900423727 DBDS6K1X/50
R900423728 DBDS6P1X/100
R900423729 DBDS6P1X/200
R900423730 DBDS6P1X/315
R900423732 DBDS6P1X/50
R900423735 DBDS8G1X/315
R900423743 DBDS10G1X/25
R900423766 DBD.10G1X/...
R900424082 DBDS20K1X/315V
R900424109 DBDH20K1X/100
R900424140 DBDS10G1X/200
R900424147 DBDS10K1X/100
R900424148 DBDS10K1X/100V
R900424149 DBDS10K1X/200
R900424150 DBDS10K1X/315
R900424151 DBDS10K1X/315V
R900424152 DBDS10K1X/400
R900424153 DBDS10K1X/50
R900424155 DBDS10P1X/100
R900424157 DBDS10P1X/200
R900424158 DBDS10P1X/315
R900424159 DBDS10P1X/315V
|