Steel mooring buoys provide nice subsurface self-buoyancy, largely applied to mooring ships and harbours in shallow water. Mooring buoys made of heavy steel, designed in spherical, cylindrical and long rectangular pipeline laying types.
Steel Spherical Mooring Buoys with Instrumentation
30″diameter, 416lbs buoyancy, net weight 198 lbs, liquid capacity 58 gal;
40″ diameter, 987lbs buoyancy, net weight 312 lbs, liquid capacity 140 gal;
58″ diameter, 3007lbs buoyancy, net weight 694 lbs, liquid capacity 440 gal;
Steel Cylindrical Mooring Buoys in Customized Design