暗桿橡膠閘閥利用閘板整體包膠產生變形補償作用到達良好的密封效果，克服了一般閘閥密封不良、漏水和生銹的現象，更有效有節約安裝空間。可廣泛用于自來水、污水、建筑、石油、化工、食品、醫藥、輕紡、電力、冶金、能源系統等流體管線上作為通斷裝置使用。

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.