Ship Portlight

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