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华德先导式溢流阀用途与特点:
DB系列溢流阀是压力控制阀,其作用主要是控制系统压力,以保证油泵和油路的安全及保持油路系统的压力恒定。
DB系列溢流阀具有压力高、流量大、调压平稳、噪音低,动作可靠等特点。
先导节流调节阀
主控制阀芯的行程限位
在主阀的P口上,有先导压力插装件
当控制压力超过25MPa时减压阀降低先导压力
插装节流孔降低对先导阀供油
WMD型旋钮换向阀
用旋钮操作的直动式换向滑阀
板式连接
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