Marine Rectangular Porthole

Marine Rectangular Porthole

Introduction of Marine Rectangular Porthole

The rectangular portholes for ships are designed for ships, and the windows can be electrically heated glass to prevent fogging and blocking the view. The thickness of the glass can also be selected, and the window frame is made of steel, aluminum, copper, etc. It has the characteristics of corrosion resistance and weather resistance.

Specifications of Marine Rectangular Porthole

N	ordinary	with safety glass
P	fire Protection	for fire class A or B
H	heating	with electrical heating glass in inccordance of ISO3434

Opening type	opening direction			installation		type code	nominal size
				bolted type	welted type		E	F
opening	inward "I"	side hinge	left(L)	B	-	ILB	1~6	1~6
				-	W	ILW
			right(R	B	-	IRB
				-	W	IRW
		up hinge(T)		B	-	ITB	4~8	4~9
				-	W	ITW
	outward "O"	side hinge	left(L)	B	-	OLB	1~6	1~6
				-	W	OLW
			right(R	B	-	ORB
				-	W	ORW
		up hinge(T)		B	-	OTB	4~8	4~9
				-	W	OTW
fixed	-			B	-	NOB	1~8	1~9
				-	W	NOW

rectangular window		glass thickness
series	type	nominal size code
		1		2		3		4		5		6		7		8		9
N	E	10	-15	10	-15	12	-19	12	-19	15	-	15	-	19	-	19	-	-	-
	F	8	-12	8	-12	8	-12	8	-12	10	-15	10	-15	12	-19	12	-19	15	-
P	E	ISO 5797-1
	F
H	E	ISO 3434
	F

Picture of Marine Rectangular Porthole