ZYC型自力式压差控制阀，是一种利用介质自身的压力变化进行自我控制而保持流经该被控系统介质压差不变的节能产品。适用于供暖方式采用双管系统的压差控制，保证系统的压差基本不变，减低噪音，平衡阻力，消除热网的水力失调。

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