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暗杆橡胶闸阀利用闸板整体包胶产生变形补偿作用到达良好的密封效果，克服了一般闸阀密封不良、漏水和生锈的现象，更有效有节约安装空间。可广泛用于自来水、污水、建筑、石油、化工、食品、医药、轻纺、电力、冶金、能源系统等流体管线上作为通断装置使用。

Dark stem rubber gate valve with the overall of plastic deformation compensation effect to achieve good sealing effect，to overcome the defects of the general gate valve sealing，leakage and rust，more effective to save installation space.Can be widely used for water，sewage，construction，petroleum，chemical industry，food，pharmaceutical，textile，power，metallurgy，energy systems，fluid lines as on-off device.