DBDS20G18 200 全新原装 力士乐 限压阀

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安全阀，直接控制DBDH…XC…E

规格6…30

组件系列1X

应用领域符合防爆指令2014/34/EU：IM2,II2G,II2D

作为ATEX设备，符合应用领域指令2014/34/EU：IM2、II2G、II2D

作为经型式检验验证的安全阀，符合压力设备指令2014/68/EU

用作拧入式插装阀（插件）

用于螺纹连接

用于底板安装

使用手轮进行调节

DBDH…XC…E型阀门为符合压力设备指令2014/68/EU的经型式检验验证的直动式溢流阀。这些阀门用于限制系统压力并可用作安全阀。

如果超出通道P中的预设响应压力，则阀门会作出响应并从内部连接通道P和通道T。根据具体型号，阀门被设计为拧入式插装阀（“K”），用于拧入式油路块设计，或者作为带有螺纹连接的阀门（“G”）或用于底板安装的阀门（“P”）使用。实际用于所有型号的拧入式插装阀主要由下列组件组成：套筒、弹簧、阀心（5.1，响应压力最高为400bar）或滚珠（5.2，响应压力为405bar或以上）、阀座和调节元件。弹簧将阀心(5.1)和/或滚珠(5.2)压向阀座。在工厂，响应压力通过调节元件被设置为固定值；然后，将阀门封严。通道P连接到系统。系统中存在的压力将作用于阀心和/或滚珠。如果通道P中的压力升高到超过弹簧预紧力所指定的值，则阀心和/或滚珠将在弹簧力的驱使下升离阀座并连接通道P和T。液压油从通道P流入通道T。阀心可能达到的最大行程受限于结构尺寸。此类阀门适用于渐变响应压力（以5bar为间隔）。用户不但可以通过手轮卸载阀弹簧，而且还能在不拆除铅封的情况下设定小于出厂设置的响应压力。请参阅操作说明。