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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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。

youdao