1.适用于高温，高压场合，能有效防止液体产生汽蚀，减少流体对内体的冲刷，降低噪音，尤其适用有杂质介质流体的控制。
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2.采用迷宫式阀笼结合压力平衡式阀芯的设计，由多个同轴表面分布着迷宫曲径的圆柱盘（层叠合组成，根据介质工艺参数的不同，设计多个不同迷宫曲径规格与叠合累数组合成阀笼，阀笼将总的流路分成许多细小与迂回甚至台阶状分布的节流通路，迫使流体不断地改变流向与流通面积等逐步降低流体压力，以达到预防闪蒸，空化现象的发生，延长阀内件的使用寿命、此种内件结构适合于各种易产生阻塞流造戍汽蚀的工艺流体的工况。
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