Marine cap type air pipe head

The utility model discloses a marine cap type air pipe head, including ventilative cover, fire prevention net and valve body, ventilative cover is at the top of valve body to screw fixed connection is passed through to ventilative cover and a side of valve body, and it such as has at high aperture to open at the intermediate position of valve body both sides, installs the fire prevention net on the top of valve body, has rain -proof cap at the bottom fixed connection of fire prevention net, installs the permeability cell in the bottom of rain -proof cap, and surround on the surface of permeability cell and evenly distributed has the bleeder vent. This marine cap type air pipe head, rainwater be along the orifice flow play from childhood of the rain -proof cap of second grade, and be down smooth along rain -proof cap on rain -proof cap is fallen to aperture and the rain -proof cap fixed connection of second grade, rainwater at the rain -proof cap of the bottom fixedly connected with of fire prevention net, and