此类阀门可用于隔绝或调节液流。盘片安装于管道中心，一根杆子穿过盘片连接阀门外部的驱动器。旋转驱动器，将盘片旋至与流向平行或垂直。与球阀不同，盘片通常位于液流中，因此无论阀门位置在哪都会在液流中产生压降。
“蝶阀”是安装在杆子上的一个金属盘片。阀门关闭时，盘片被旋转至可完全阻挡通道的位置。阀门完全打开时，盘片被旋转 1/4 圈，这时对通道几乎不设任何限制。阀门也可逐渐打开以调节产品流量。Products
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GEA 洞察
GEA reports profitable growth for 2025 and expects accelerated revenue growth
GEA’s past fiscal year was one of significant growth and further profitability gains. In particular, the technology group substantially increased order intake, with all divisions contributing here. GEA also made progress in all Mission 30 strategic growth areas. In addition, GEA met key interim targets under its climate plan ahead of schedule. Major milestones in fiscal year 2025 were admission to the DAX index, the award of one of the largest contracts in the company’s history, and streamlining of the corporate structure.
