non-rising stem valve 不升杆式阀 ; 暗杆阀
non-rising stem wedge sluice valve 暗杆楔式闸阀
non-rising stem wedge gate valve 暗杆楔式闸阀
non-rising-stem gate valve 暗杆闸阀
manual non-rising stem flat valve 手动暗杆平板阀
non-rising stem type gate valve 暗杆闸阀
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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应用推荐
模块上移
模块下移
不移动