玻璃钢拍门规格分圆形拍门和方形拍门两种，可根据出水口大小形状设计生产；可分别为空心浮板式拍门和平板式拍门。适用于管道、污水处理，江河岸边排水管出品处的一种单向阀，它具有自动开启、闭合功能；止水、防回流性能好；复合材料拍门耐腐蚀

节能型侧开式拍门由门板、门铰、门座和密封件等组成。门板通过门铰安装在门座上，根据国内泵站的应用情况，拍门的门形圆形和矩形两种。一般出水管口径小于、等于2m的（即口径1.6的泵）用圆形拍门，大于该口径的用矩形拍门。

供应复合材料拍门HDPE拍门阀高密度聚乙烯拍门。拍门规格分圆形拍门和方形拍门两种，可根据出水口大小形状设计生产；可分别为空心浮板式拍门和平板式拍门。复合材料拍门，玻璃钢拍门，HDPE拍门，高密度聚乙烯拍门适用于管道、污水处理，江河岸边排水管出品处的一种单向阀，它具有自动开启、闭合的功能；止水、防回流性能好；合材料拍门，玻璃钢拍门，HDPE拍门，高密度聚乙烯拍门耐腐蚀强，便于安装管理。

Glass fiber reinforced plastic clap door specifications are divided into circular clap door and square clap door, can be designed and manufactured according to the size and shape of the outlet; can be respectively hollow floating slab clap door and flat slab clap door. A one-way valve suitable for pipeline and sewage treatment. It has the function of automatic opening and closing. It has good sealing and anti-backflow performance. The corrosion-resistant and energy-saving side-open flap door of composite material is composed of door plate, door hinge, door seat and seal. The door plate is mounted on the door base through the door hinges. According to the application of domestic pumping stations, there are two kinds of door-shaped circular and rectangular flap doors. Generally, the outlet pipe diameter is less than or equal to 2m (that is, the diameter of 1.6 pump) with circular clap door, larger than the diameter of the rectangular clap door. Supply composite material flap door HDPE flap valve high density polyethylene beat door. The racket door is divided into circular racket door and square racket door, which can be designed and manufactured according to the size and shape of the outlet, and can be divided into hollow float racket door and flat racket door. Composite clap door, glass fiber reinforced plastic clap door, HDPE clap door, high density polyethylene clap door is suitable for pipeline, sewage treatment, river bank drainage pipe outlet of a one-way valve, it has automatic opening and closing function; water stop, anti-reflux performance is good; composite clap door, glass fiber reinforced plastic clap door, HDPE clap door, high density polyethylene. The door is corrosion resistant and easy to install and manage.