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 flap gate is used for the outlet pipe of water pump or the outlet well of pumping station to prevent the tide from flowing in. They can be designed and manufactured according to the size and shape of the water outlet. The categories of the door can be hollow floating plate, racket gate and flat plate type door.
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