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；拍门类别可分别为空心浮板式拍门和平板式拍门。
There are two kinds of clapping doors, round and square, which can be designed and manufactured according to the size and shape of the outlet. The clapping doors can be classified as hollow floating slap door and flat slap door.
拍门安装：
Clap door installation:
拍门安装可采用以下方式：法兰连接，混凝土浇筑。
Flange connection and concrete pouring can be adopted for the installation of clapping doors.
拍门中心与流道中心允许偏差不应大于3.0 mm
The allowable deviation between the center of the clapping door and the center of the runner should not be greater than 3.0 mm.
拍门四周应留有400 mm的安装空间，拍门出口下方做成1：5的斜坡。
There should be 400 mm installation space around the door and a 1:5 slope below the door exit.
拍门安装的配件：螺栓或膨胀丝采用不锈钢或经过防腐处理的碳钢；密封件采用橡胶或橡胶垫片。
Parts for door installation: bolts or expansion wires are made of stainless steel or anticorrosive carbon steel; seals are made of rubber or rubber gaskets