Ship Portlight
Introduction of Marine Portlight
The porthole is a watertight circular window set on the ship's side shell, superstructure and deckhouse outer wall, etc. It is generally composed of main window frame, glass pressure plate, storm cover, etc. Marine portholes together with their glass and porthole covers (deadlight) shall be of solid construction and shall be capable of being effectively closed and watertight.
Main accessories:
Main frame: The basic frame of a marine window that is bolted or welded to the structure.
Glassholder: A metal part used to fix various open marine window glass panels.
Deadlight: Heavy-duty hinged lid for protection from seawater.
Stormshuteer: Heavy-duty hinged cover designed to protect against seawater shocks.
Specifications of Ship Portlight
clear size D
D1
D2
D3
D4
h
t
gmax
bolt
Cut out in steel wall
whorl
qty
φ200
φ245
φ250
φ350
φ310
155
8
50
M12
8
253
φ250
φ295
φ305
φ400
φ364
182
8
47.5
M16
8
308
φ300
φ350
φ360
φ450
φ414
207
10
45
M16
12
363
φ350
φ400
φ410
φ500
φ464
232
12
45
M18
12
413
φ400
φ450
φ460
φ550
φ514
257
12
45
M18
12
463
φ450
φ500
φ510
φ600
φ564
282
15
45
M20
12
513
Picture of Ship Portlight
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