R900352672 DBDS6G1X/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DIN 24340 A型和ISO 4401
·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/315/12 DBDS6G1X/315/12 DBDS6G1X/315/12
DBDS6G1X/315/12 DBDS6G1X/315/12 DBDS6G1X/315/12
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力士乐DBD溢流阀
R900082639 DBDS10K1X/25P15
R900208779 DBDA2K2X/315
R900331916 DBDH10K1X/630V
R900334105 DBDA6K1X/315V
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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。
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R900352663 DBDH10G1X/630/12
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R900361835 DBDH6P1X/315V
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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。
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