4-32
Bottom Flange DB hull mounting followed by Intermediate Tube,
Blanking Plate and Upper Flange DB mounting procedures
The Bottom Flange DB must first be welded into a hole cut in the ship’s bottom hull.
1. Cut a circular hole (diameter 250mm +10/ –0mm) at the selected Transducer position.
Hole cut in Ship's Hull
Positioning Bottom Flange DB flush with hull outside
Notes:
x IT IS IMPORTANT that the outer (bottom) surface of the flange is flush with the
hull and exactly vertical/perpendicular and horizontal in a flat area of the hull
underside.
For this kind of installation there is no direction requirement (longitudinal or
transverse) of the flange.
x Welding work shall be carried out by qualified personnel as required by the
applicable classification society.
To Next Page
Loading...