NOTES:
  • Ft = Feet
  • in = Inches
  • In all cases, nozzle extends 4 inches above hull and 1.5 inches within hull.
  • Design Depth = Crush depth (not operating depth)
  • Fillet welds = .375 inch

ABS Opening Reinforcement for Cylinders
A B C D E F G H
Vessel Design Depth Hull
Thickness
(gray)		 Nozzle
Diameter
(red)		 Opening Area
(red)		 ABS Rules
Nozzle Thickness
(green)		 100% Rule
Nozzle Thickness
(green)		 Bildy Rules
Nozzle Thickness
(green)
K-350 875 Ft .25 in 23 in 2.875 in 1.169 in .75 in .625 in

X-1000-1 1000 Ft .375 in 22 in 4.125 in 1.125 in .6875 in .6875 in
X-1000-2 1000 Ft .375 in 23 in 4.3125 in 1.18 in .75 in .7125 in
X-1000-3 1000 Ft .375 in 24 in 4.5 in 1.25 in .75 in .75 in

X-2000-1 2000 Ft .5 in 22 in 5.5 in 1.243 in .8125 in .76 in
X-2000-2 2000 Ft .5 in 23 in 5.75 in 1.293 in .875 in .795 in
X-2000-3 2000 Ft .5 in 24 in 6 in 1.343 in .875 in .84 in

  • Gray = Hull Thickness   (Column C)
  • Red = Diameter of Finished Nozzle   (Column D and E)
  • Green = Nozzle Thickness   (Column F)
  • Black = Fillet Welds