Marine dredger bottom doors 

Bottom door are generally installed in the bottom of the hull of a vessel can be opened and closed through human or mechanical (electrical, hydraulic). Different types of Bottom door its control, opening and closing time (speed), the degree of opening of the open, dredged material by ability has its own characteristics. Main particulars MAIN PARTICULARS Tolerance High accuracy(ISO2768, ISO5817, ISO13920) Material Q345D, DH36 other materials Dimension(L*B*H) As per drawing, as large as we can Pressure 8-80MPA Coating Sa2.5 blasted and two or three layers painted…