PM系列拍门用于水泵的出水管或泵站的出流井，以防止江河潮水的倒灌。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。
PM series of Pat doors are used in the outlet pipe of the pump or the outflow well of the pump station to prevent the flow of water from the river. It can be designed and produced according to the size and shape of the outlet.
适用介质：水，河水，江水，海水，生活，工业污水
Applicable medium: water, river water, river water, sea water, life, industrial sewage