R900352672DBDS6G1X/315/12力士乐液压元件:柱塞泵A10VSO、电磁阀4WE、溢流阀DBW、节流阀Z2S、Z2F、叶片泵PV7、齿轮泵PH2,PH4,PGF、压力继电器HED、博世放大器阀0811、0820、齿轮泵0510、减压阀DR、ZDR、4WREE等系列***现货优势供应·规格6型号DBET和DBETE·比例溢流阀，直动式·安装面按DIN24340A型和ISO4401·系统限压阀·比例电磁铁操作·底板安装·用于DBETE型的集成电控器（OBE）·线性压力/指令值特性曲线·提供起螺丝插装阀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，稳压，系统卸荷和安全保护作用。溢流阀在装配或使用中，由于O形密封圈、组合密封圈的损坏，或者安装螺钉、管接头的松动，都可能造成不应有的外泄漏。DBDS6G1X/315/12DBDS6G1X/315/12DBDS6G1X/315/12DBDS6G1X/315/12DBDS6G1X/315/12DBDS6G1X/315/12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752455694力士乐DBD溢流阀R900082639DBDS10K1X/25P15R900208779DBDA2K2X/315R900331916DBDH10K1X/630VR900334105DBDA6K1X/315VR900334729DBDH20K1X/25VR900340153DBDS10G1X/25V/12R900340488DBDS10G1X/315V/12R900341066DBDS6G1X/200/12R900341363DBDS10G1X/100/12R900341591DBDS10G1X/200/12R900342738DBDS10G1X/400/12R900343869DBDH10K1X/400VR900343871DBDH6G1X/200V/12R900343963DBDS10G1X/200V/12R900345310DBDH6G1X/200/12R900345502DBDS20G1X/200/12R900346720DBDS20G1X/100/12R900347093DBDS6G1X/50/12R900347284DBDS6G1X/400/12R900347546DBDH6G1X/50/12R900347687DBDS10G1X/50/12液压装置中容易产生噪声的元件一般认为是泵和阀，阀中又以溢流阀和电磁换向阀等为主。产生噪声的因素很多。溢流阀的噪声有流速声和机械声二种。流速声中主要由油液振动、空穴以及液压冲击等原因产生的噪声。机械声中主要由阀中零件的撞击和磨擦等原因产生的噪声。R900349041DBDS10G1X/100V/12R900350325DBDS15G1X/25/12R900351411DBDS10G1X/25/12R900352113DBDS30G1X/200/12R900352663DBDH10G1X/630/12R900352672DBDS6G1X/315/12R900353041DBDS15G1X/400/12R900356476DBDS20G1X/315/12R900361835DBDH6P1X/315VR900366796DBDH6G1X/100/12R900367037DBDS20G1X/25/12R900368990DBDS30G1X/315V/12R900369757DBDH10G1X/400/12R900369758DBDH10G1X/315/12R900369921DBDS15G1X/100/12R900370050DBDS6G1X/25/12R900375503DBDS15G1X/200/12R900377746DBDS10G1X/315/12R900377967DBDS30G1X/100/12R900379694DBDS20G1X/50/12R900381021DBDA20K1X/100VR900383671DBDS6G1X/315V/12R900385305DBDH6G1X/400/12R900387940DBDH6G1X/315V/12R900387959DBDS30G1X/25/12R900393177DBDS25G1X/200/12先导型溢流阀的导阀部分是一个易振部位如图3所示。在高压情况下溢流时，导阀的轴向开口很小，仅0.003～0.006厘米。过流面积很小，流速很高，可达200米/秒，易引起压力分布不均匀，使锥阀径向力不平衡而产生振动。另外锥阀和锥阀座加工时产生的椭圆度、导阀口的脏物粘住及调压弹簧变形等，也会引起锥阀的振动。所以一般认为导阀是发生噪声的振源部位。R900393748DBDH6G1X/25/12R900395057DBDH10G1X/25/12R900395059DBDH6G1X/400V/12R900395060DBDS10G1X/400V/12R900397459DBDS20G1X/200V/12R900403701DBDH10G1X/100VR900406900DBDH10K1X/25VR900420245DBDS6K1X/25R900420276DBDS10K1X/25R900420662DBDA6G1X/400VR900422542DBDS20K1X/25R900422543DBDS30K1X/25R900422544DBDS20G1X/25R900423711DBDS30K1X/50VR900423712DBDS30P1X/100R900423713DBDS30P1X/100VR900423714DBDS30P1X/200R900423715DBDS30P1X/315R900423716DBDS30P1X/50R900423717DBDS6G1X/100R900423718DBDS6G1X/25R900423719DBDS6G1X/200R900423720DBDS6G1X/315R900423721DBDS6G1X/400R900423722DBDS6G1X/50R900423723DBDS6K1X/100R900423724DBDS6K1X/200R900423725DBDS6K1X/315R900423726DBDS6K1X/400R900423727DBDS6K1X/50R900423728DBDS6P1X/100R900423729DBDS6P1X/200R900423730DBDS6P1X/315R900423731DBDS6P1X/400R900423732DBDS6P1X/50R900423733DBDS8G1X/100)