Marine portholes

Suitable for ocean-going vessels and ships, and can also be used on inland waterway vessels.

Marine portholes

Name	Type	Light transmission size/Mm	Opening type	Opening type	Install Type	Material code	Material code	Deadlight Retaining Method	Glass	Application Scope
				Fixed		Bolted	Welded
Heavy	A	200 250 300 350 400	Left-opening (L) Right-opening (R) Shared-hinge type (S)	Fixed(N)	Bolted/Welded	111;112	211 ;222	Hooktype(G);Pawtype(J)	Transparent(Y1);Ferosted(Y2)	Openings are permitted on the sides of a seagoing vessel below the bulkhead deck or freeboard deck and above the full load waterline, provided that they are watertight and airtight.
Medium	B	8 30 450	Left-opening (L) Right-opening (R) Shared-hinge type (S)	Fixed(N)	Bolted/Welded	111;112;222;333	211;212;222;233	Hooktype(G);Pawtype(J)	Transparent(Y1);Ferosted(Y2)	On passenger ships, the sides or ends of the superstructure above the bulkhead deck or freeboard deck. On non-passenger ships, the sides and ends of the first superstructure above the freeboard deck.
Light	C	8 30 450	Left-opening (L) Right-opening (R)	Fixed(N)	Bolted/Welded	110;220;330	210;220;230		Transparent(Y1);Ferosted(Y2)	The sides and aft ends of the superstructure above the first level (or freeboard deck) on passenger ships, and the sides and aft ends of the bulkheads above the first level (or freeboard deck) on non-passenger ships.

Material combination code

Material Code
Code	Material
1	Brass
2	Steel
3	Alum
0	Null

Material combination codes use three digits, as follows:

Storm cover material；Window sash frame and glass clamping ring material；Main window frame material

Clear Light Sized		200	250	300	350	400	450
Min.Distance From Center Of Side Scuttle Toceiling	Paw (J)	350	400	450	500	540	580
Min.Distance From Center Of Side Scuttle Toceiling	Hook (G)	By Designer

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