Parabolic ( plug style ) disc for higher degree of control.

抛物线 ( 塞形 ) 阀瓣,适用于更大程度的控制.

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The Fig . 1710 Balancing valve is a non - rising stem design incorporating a parabolic ( plug ) shaped disc.

型号1710平衡阀为暗杆结构,配置抛物线 ( 塞 ) 形阀瓣.

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Most Balancing Valves are globe style and incorporate a parabolic ( plug ) shaped disc.

大部分平衡阀采用截止阀结合抛物线 ( 插塞 ) 阀瓣.

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