哈威SE和SEH型流量控制阀用于连接的液压压力的运行速度连续调整。它们可以被用来为2通或三通流量控制阀和比例电器，直接驱动（SE型）或比例电动液压驾驶（类型SEH）控制节流孔调节（可与正常位置为开或关闭）。他们帮助实现完全自动化的运行周期与个别预选的加速和减速阶段。试点压力限制阀和电切换循环阀（3路控制器）或旁通止回阀，止回阀在桥电路自由选择流动方向（2路控制器）可以作为附加元素选择。哈威比例流量控制阀 德国HAW*
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哈威SE/SEH型流量控制阀，哈威HAWE比例流量阀，哈威流量控制阀型号说明：
The flow valves type SE and SEH are used for continuous adjustment of the operating speed of connected hydraulic consumers regardless of pressure. They can be used as 2-way or 3-way flow valves and are available with proportional electrical, directly actuated （type SE） or proportional electro-hydraulic, piloted （type SEH） orifice adjustment （each available with normal position as open or closed）. They help to achieve fully automated operating cycles with individually preselected acceleration and deceleration phases. A piloted pressure-limiting valve and an electrically switchable circulation valve or a bypass check valve and check valves in a bridge circuit for free selection of the flow direction can be selected as additional elements.哈威比例流量控制阀 德国HAW*